My iMac is crashing recently.. could it be a graphics card issue?

Hi,
I have a 24 inch iMac 3.06ghz with a NVIDIA GeForce GT 130 graphics chip and I have had a number of complete crashes recently... below is the log for the time before the crash, i wondered if anyone could decipher what is causing the crashes? Everything locks up but the audio still runs and the mouse moves, but the fans go off and I have to force shutdown using the power button.
many thanx
Matt
17/05/2011 14:43:38          /System/Library/PrivateFrameworks/CoreMediaIOServices.framework/Resources/ VDC.plugin/Contents/Resources/VDCAssistant[335]          VDCAssistant::FrameAccumulator::FilterThreadEntry FilterFrame threw an exception. Will not use the GPU to process frames anymore
17/05/2011 14:43:39          kernel          NVDA(OpenGL): Channel timeout!
17/05/2011 14:43:39          kernel          0000006e
17/05/2011 14:43:39          kernel          00000010 0000502d 00000472 00000000
17/05/2011 14:43:39          kernel          0000047a 0000022c 00000001 0000000a
17/05/2011 14:43:39          kernel          00000000 00000000 00000000
17/05/2011 14:43:39          kernel          00000000 00000000
17/05/2011 14:43:39          kernel          NVDA(OpenGL): Channel exception! exception type = 0xd = GR: SW Notify Error
17/05/2011 14:43:39          kernel          0000006e
17/05/2011 14:43:39          kernel          00200000 00008297 00000474 00000010
17/05/2011 14:43:39          kernel          0000047e 00001408 00000001 0000000d
17/05/2011 14:43:39          kernel          00000000 00000000 00000403
17/05/2011 14:43:39          kernel          00000010 00000000
17/05/2011 14:43:39          kernel          NVDA(OpenGL): Channel exception! exception type = 0xd = GR: SW Notify Error
17/05/2011 14:43:39          kernel          0000006e
17/05/2011 14:43:39          kernel          00200000 00008297 00000474 00000010
17/05/2011 14:43:39          kernel          0000047e 00001408 00000001 0000000d
17/05/2011 14:43:39          kernel          00000000 00000000 00000403
17/05/2011 14:43:39          kernel          00000010 00000000
17/05/2011 14:43:39          kernel          NVDA(OpenGL): Channel exception! exception type = 0xd = GR: SW Notify Error
17/05/2011 14:43:39          kernel          0000006e
17/05/2011 14:43:39          kernel          00200000 00008297 00000474 00000010
17/05/2011 14:43:39          kernel          0000047e 00001408 00000001 0000000d
17/05/2011 14:43:39          kernel          00000000 00000000 00000403
17/05/2011 14:43:39          kernel          00000010 00000000
17/05/2011 14:43:39          kernel          NVDA(OpenGL): Channel exception! exception type = 0xd = GR: SW Notify Error
17/05/2011 14:43:39          kernel          0000006e
17/05/2011 14:43:39          kernel          00200000 00008297 00000474 00000010
17/05/2011 14:43:39          kernel          0000047e 00001408 00000001 0000000d
17/05/2011 14:43:39          kernel          00000000 00000000 00000403
17/05/2011 14:43:39          kernel          00000010 00000000
17/05/2011 14:43:39          kernel          NVDA(OpenGL): Channel exception! exception type = 0xd = GR: SW Notify Error
17/05/2011 14:43:39          kernel          0000006e
17/05/2011 14:43:39          kernel          00200000 00008297 00000474 00000010
17/05/2011 14:43:39          kernel          0000047e 00001408 00000001 0000000d
17/05/2011 14:43:39          kernel          00000000 00000000 00000403
17/05/2011 14:43:39          kernel          00000010 00000000
17/05/2011 14:43:39          kernel          NVDA(OpenGL): Channel exception! exception type = 0xd = GR: SW Notify Error
17/05/2011 14:43:39          kernel          0000006e
17/05/2011 14:43:39          kernel          00200000 00008297 00000474 00000010
17/05/2011 14:43:39          kernel          0000047e 0000109c 2d21ffff 0000000d
17/05/2011 14:43:39          kernel          00000000 00000000 00000601
17/05/2011 14:43:39          kernel          00000010 00000000
17/05/2011 14:43:39          kernel          NVDA(OpenGL): Channel exception! exception type = 0xd = GR: SW Notify Error
17/05/2011 14:43:39          kernel          0000006e
17/05/2011 14:43:39          kernel          00200000 00008297 00000474 00000010
17/05/2011 14:43:39          kernel          0000047e 0000109c 2d21ffff 0000000d
17/05/2011 14:43:39          kernel          00000000 00000000 00000601
17/05/2011 14:43:39          kernel          00000010 00000000
17/05/2011 14:43:39          kernel          NVDA(OpenGL): Channel exception! exception type = 0xd = GR: SW Notify Error
17/05/2011 14:43:39          kernel          0000006e
17/05/2011 14:43:39          kernel          00200000 00008297 00000474 00000010
17/05/2011 14:43:39          kernel          0000047e 0000109c 2d21ffff 0000000d
17/05/2011 14:43:39          kernel          00000000 00000000 00000601
17/05/2011 14:43:39          kernel          00000010 00000000
17/05/2011 14:43:39          kernel          NVDA(OpenGL): Channel exception! exception type = 0xd = GR: SW Notify Error
17/05/2011 14:43:39          kernel          0000006e
17/05/2011 14:43:39          kernel          00200000 00008297 00000474 00000010
17/05/2011 14:43:39          kernel          0000047e 0000109c 2d21ffff 0000000d
17/05/2011 14:43:39          kernel          00000000 00000000 00000601
17/05/2011 14:43:39          kernel          00000010 00000000
17/05/2011 14:43:39          kernel          NVDA(OpenGL): Channel exception! exception type = 0xd = GR: SW Notify Error
17/05/2011 14:43:39          kernel          0000006e
17/05/2011 14:43:39          kernel          00200000 00008297 00000474 00000010
17/05/2011 14:43:39          kernel          0000047e 0000109c 2d21ffff 0000000d
17/05/2011 14:43:39          kernel          00000000 00000000 00000601
17/05/2011 14:43:39          kernel          00000010 00000000
17/05/2011 14:43:39          kernel          NVDA(OpenGL): Channel exception! exception type = 0xd = GR: SW Notify Error
17/05/2011 14:43:39          kernel          0000006e
17/05/2011 14:43:39          kernel          00200000 00008297 00000474 00000010
17/05/2011 14:43:39          kernel          0000047e 00001408 00000001 0000000d
17/05/2011 14:43:39          kernel          00000000 00000000 00000403
17/05/2011 14:43:39          kernel          00000010 00000000
17/05/2011 14:43:39          kernel          NVDA(OpenGL): Channel exception! exception type = 0xd = GR: SW Notify Error
17/05/2011 14:43:39          kernel          0000006e
17/05/2011 14:43:39          kernel          00200000 00008297 00000474 00000010
17/05/2011 14:43:39          kernel          0000047e 0000108c 2d21ffff 0000000d
17/05/2011 14:43:39          kernel          00000000 00000000 00000601
17/05/2011 14:43:39          kernel          00000010 00000000
17/05/2011 14:43:39          kernel          NVDA(OpenGL): Channel exception! exception type = 0xd = GR: SW Notify Error
17/05/2011 14:43:39          kernel          0000006e
17/05/2011 14:43:39          kernel          00200000 00008297 00000474 00000010
17/05/2011 14:43:39          kernel          0000047e 0000109c 2d21ffff 0000000d
17/05/2011 14:43:39          kernel          00000000 00000000 00000601
17/05/2011 14:43:39          kernel          00000010 00000000
17/05/2011 14:43:39          kernel          NVDA(OpenGL): Channel exception! exception type = 0xd = GR: SW Notify Error
17/05/2011 14:43:39          kernel          0000006e
17/05/2011 14:43:39          kernel          00200000 00008297 00000474 00000010
17/05/2011 14:43:39          kernel          0000047e 0000109c 2d21ffff 0000000d
17/05/2011 14:43:39          kernel          00000000 00000000 00000601
17/05/2011 14:43:39          kernel          00000010 00000000
17/05/2011 14:43:39          kernel          NVDA(OpenGL): Channel exception! exception type = 0xd = GR: SW Notify Error
17/05/2011 14:43:39          kernel          0000006e
17/05/2011 14:43:39          kernel          00200000 00008297 00000474 00000010
17/05/2011 14:43:39          kernel          0000047e 0000109c 2d21ffff 0000000d
17/05/2011 14:43:39          kernel          00000000 00000000 00000601
17/05/2011 14:43:39          kernel          00000010 00000000
17/05/2011 14:43:39          kernel          NVDA(OpenGL): Channel exception! exception type = 0xd = GR: SW Notify Error
17/05/2011 14:43:40          kernel          0000006e
17/05/2011 14:43:40          kernel          00200000 00008297 00000474 00000010
17/05/2011 14:43:40          kernel          0000047e 00001408 00000001 0000000d
17/05/2011 14:43:40          kernel          00000000 00000000 00000403
17/05/2011 14:43:40          kernel          00000010 00000000
17/05/2011 14:43:40          kernel          NVDA(OpenGL): Channel exception! exception type = 0xd = GR: SW Notify Error
17/05/2011 14:43:40          kernel          0000006e
17/05/2011 14:43:40          kernel          00200000 00008297 00000474 00000010
17/05/2011 14:43:40          kernel          0000047e 00001408 00000001 0000000d
17/05/2011 14:43:40          kernel          00000000 00000000 00000403
17/05/2011 14:43:40          kernel          00000010 00000000
17/05/2011 14:43:40          kernel          NVDA(OpenGL): Channel exception! exception type = 0xd = GR: SW Notify Error
17/05/2011 14:43:40          kernel          0000006e
17/05/2011 14:43:40          kernel          00200000 00008297 00000474 00000010
17/05/2011 14:43:40          kernel          0000047e 00001408 00000001 0000000d
17/05/2011 14:43:40          kernel          00000000 00000000 00000403
17/05/2011 14:43:40          kernel          00000010 00000000
17/05/2011 14:43:40          kernel          NVDA(OpenGL): Channel exception! exception type = 0xd = GR: SW Notify Error
17/05/2011 14:43:40          kernel          0000006e
17/05/2011 14:43:40          kernel          00200000 00008297 00000474 00000010
17/05/2011 14:43:40          kernel          0000047e 00001408 00000001 0000000d
17/05/2011 14:43:40          kernel          00000000 00000000 00000403
17/05/2011 14:43:40          kernel          00000010 00000000
17/05/2011 14:43:40          kernel          NVDA(OpenGL): Channel exception! exception type = 0xd = GR: SW Notify Error
17/05/2011 14:43:40          kernel          0000006e
17/05/2011 14:43:40          kernel          00200000 00008297 00000474 00000010
17/05/2011 14:43:40          kernel          0000047e 00001408 00000001 0000000d
17/05/2011 14:43:40          kernel          00000000 00000000 00000403
17/05/2011 14:43:40          kernel          00000010 00000000
17/05/2011 14:43:40          kernel          NVDA(OpenGL): Channel exception! exception type = 0xd = GR: SW Notify Error
17/05/2011 14:43:40          kernel          0000006e
17/05/2011 14:43:40          kernel          00200000 00008297 00000474 00000010
17/05/2011 14:43:40          kernel          0000047e 00001408 00000001 0000000d
17/05/2011 14:43:40          kernel          00000000 00000000 00000403
17/05/2011 14:43:40          kernel          00000010 00000000
17/05/2011 14:44:00          kernel          NVDA(OpenGL): Channel timeout!
17/05/2011 14:44:14          Firewall[69]          Allow Skype connecting from 109.224.6.94:63486 to port 34996 proto=6
17/05/2011 14:44:21          kernel          NVDA(OpenGL): Channel timeout!
17/05/2011 14:44:41          kernel          NVDA(OpenGL): Channel timeout!
17/05/2011 14:45:02          kernel          NVDA(OpenGL): Channel timeout!
17/05/2011 14:45:22          kernel          NVDA(OpenGL): Channel timeout!
17/05/2011 14:45:22          kernel          NVDA(OpenGL): Channel timeout!
17/05/2011 14:45:42          kernel          NVDA(OpenGL): Channel timeout!
17/05/2011 14:46:40          kernel          162000->0x5c188fff
17/05/2011 14:46:40          kernel          dependency: com.apple.iokit.IOUSBFamily(4.1.8)@0x55f53000
17/05/2011 14:46:40          kernel          dependency: com.apple.iokit.IOHIDFamily(1.6.5)@0x55fb6000
17/05/2011 14:46:40          kernel          dependency: com.apple.iokit.IOUSBHIDDriver(4.1.5)@0x5c009000
17/05/2011 14:46:40          kernel          jnl: unknown-dev: journal replay done.
17/05/2011 14:46:40          kernel          hfs: Removed 10 orphaned / unlinked files and 0 directories
17/05/2011 14:46:32          com.apple.launchd[1]          *** launchd[1] has started up. ***
17/05/2011 14:46:40          DirectoryService[11]          Improper shutdown detected
17/05/2011 14:46:41          kernel          systemShutdown false
17/05/2011 14:46:43          blued[17]          Apple Bluetooth daemon started
17/05/2011 14:46:57          mDNSResponder[18]          mDNSResponder mDNSResponder-258.18 (Jan 18 2011 20:25:03) starting
17/05/2011 14:46:57          com.apple.SecurityServer[25]          Session 0x5fbff962 created
17/05/2011 14:46:57          com.apple.SecurityServer[25]          Entering service
17/05/2011 14:46:57          configd[14]          network configuration changed.
17/05/2011 14:46:57          configd[14]          setting hostname to "Butter-Naan.local"
17/05/2011 14:46:59          kernel          Previous Shutdown Cause: 3
17/05/2011 14:47:00          kernel          NVDANV50HAL loaded and registered.
17/05/2011 14:47:00          kernel          BTCOEXIST off
17/05/2011 14:47:00          kernel          wl0: Broadcom BCM432b 802.11 Wireless Controller
17/05/2011 14:47:00          kernel          5.10.131.36
17/05/2011 14:47:02          kernel          DSMOS has arrived
17/05/2011 14:47:02          kernel          V1.4.31: Starting iSCSIInitiatorIOKitDriver
17/05/2011 14:47:02          kernel          com_DataRobotics_iSCSIInitiatorIOKitDriver: setPowerState Enter with powerState: 1 and device: 8378c80
17/05/2011 14:47:02          kernel          com_DataRobotics_iSCSIInitiatorIOKitDriver: Power state transition (1) completed!
17/05/2011 14:47:02          kernel          NVEthernet: Ethernet address 00:23:df:91:5b:e6
17/05/2011 14:47:02          kernel          AirPort_Brcm43224: Ethernet address 00:24:36:b0:62:42
17/05/2011 14:47:02          kernel          IO80211Controller::dataLinkLayerAttachComplete(): adding AppleEFINVRAM notification
17/05/2011 14:47:02          kernel          IO80211Interface::efiNVRAMPublished():
17/05/2011 14:47:02          kernel          NVEthernet::setLinkStatus - Valid but not Active
17/05/2011 14:47:03          bootlog[57]          BOOT_TIME: 1305639990 0
17/05/2011 14:47:03          kernel          AirPort: Link Down on en1. Reason 1 (Unspecified).
17/05/2011 14:47:03          fseventsd[50]          event logs in /.fseventsd out of sync with volume. destroying old logs. (11267 33 11342)
17/05/2011 14:47:03          kernel          Ethernet [nvenet]: Link up on en0, 100-Megabit, Full-duplex, No flow-control, Debug [796d,0000,0de1,0005,41e1,0000]
17/05/2011 14:47:03          kernel          NVEthernet::setLinkStatus - link Valid and Active
17/05/2011 14:47:03          kernel          Ethernet [nvenet]: Link up on en0, 100-Megabit, Full-duplex, No flow-control, Debug [796d,0000,0de1,0005,41e1,0000]
17/05/2011 14:47:03          kernel          NVEthernet::setLinkStatus - link Valid and Active
17/05/2011 14:47:03          com.apple.usbmuxd[38]          usbmuxd-211 built on Jan 13 2011 at 04:20:21 on Jan 13 2011 at 04:20:21, running 64 bit
17/05/2011 14:47:03          fseventsd[50]          log dir: /.fseventsd getting new uuid: 1F38064F-DD7A-411D-82D7-6D2452B47D30
17/05/2011 14:47:03          /System/Library/CoreServices/loginwindow.app/Contents/MacOS/loginwindow[46 ]          Login Window Application Started
17/05/2011 14:47:03          com.rogueamoeba.hermes[61]          unknown action: update
17/05/2011 14:47:03          com.apple.launchd[1]          (com.rogueamoeba.hermes[61]) Exited with exit code: 1
17/05/2011 14:47:04          kernel          IPv6 packet filtering initialized, default to accept, logging disabled
17/05/2011 14:47:07          configd[14]          network configuration changed.
17/05/2011 14:47:13          Firewall[71]          krb5kdc is listening from :::88 proto=6
17/05/2011 14:47:13          Firewall[71]          krb5kdc is listening from 0.0.0.0:88 proto=6
17/05/2011 14:47:14          kernel          V1.3.7: TrustedData_driver_VendorSpecificType00::vendorSpecificPassThroughIn(): SendCommand failed, status != good, serviceResponse = 2, TaskStatus: 30
17/05/2011 14:47:14          kernel          V1.3.7: TrustedData_UserClient_SCSIType00::vendorSpecificPassThroughIn() returning failure from driver: 3758097084
17/05/2011 14:47:16          com.apple.SystemStarter[39]          Starting ProTec6 Server
17/05/2011 14:47:17          com.apple.SecurityServer[25]          Session 0x241a12 created
17/05/2011 14:47:17          com.apple.SecurityServer[25]          Session 0x241a12 attributes 0x30
17/05/2011 14:47:17          Firewall[71]          AppleVNCServer is listening from ::ffff:0.0.0.0:5900 proto=6
17/05/2011 14:47:17          loginwindow[46]          Login Window Started Security Agent
17/05/2011 14:47:17          SecurityAgent[111]          User info context values set for Naan
17/05/2011 14:47:17          SecurityAgent[111]          Login Window login proceeding
17/05/2011 14:47:17          SecurityAgent[111]          Login Window done
17/05/2011 14:47:17          loginwindow[46]          Login Window - Returned from Security Agent
17/05/2011 14:47:17          loginwindow[46]          USER_PROCESS: 46 console
17/05/2011 14:47:17          com.apple.launchctl.Aqua[114]          launchctl: Please convert the following to launchd: /etc/mach_init_per_user.d/com.adobe.SwitchBoard.monitor.plist
17/05/2011 14:47:17          com.apple.launchd.peruser.501[112]          (com.apple.ReportCrash) Falling back to default Mach exception handler. Could not find: com.apple.ReportCrash.Self
17/05/2011 14:47:18          kernel          jnl: disk2s3: replay_journal: from: 29081600 to: 30052352 (joffset 0x4001000)
17/05/2011 14:47:18          kernel          jnl: disk1s3: replay_journal: from: 129314816 to: 129396736 (joffset 0x4001000)
17/05/2011 14:47:18          loginwindow[46]          Error loading /Library/Audio/Plug-Ins/HAL/DVCPROHDAudio.plugin/Contents/MacOS/DVCPROHDAudio: dlopen(/Library/Audio/Plug-Ins/HAL/DVCPROHDAudio.plugin/Contents/MacOS/DVCPROHD Audio, 262): no suitable image found. Did find:
          /Library/Audio/Plug-Ins/HAL/DVCPROHDAudio.plugin/Contents/MacOS/DVCPROHDAu dio: no matching architecture in universal wrapper
17/05/2011 14:47:18          loginwindow[46]          Cannot find function pointer NewPlugIn for factory C5A4CE5B-0BB8-11D8-9D75-0003939615B6 in CFBundle/CFPlugIn 0x10017cd60 </Library/Audio/Plug-Ins/HAL/DVCPROHDAudio.plugin> (bundle, not loaded)
17/05/2011 14:47:18          com.apple.loginwindow[46]          2011-05-17 14:47:18.947 loginwindow[46:107] Error loading /Library/Audio/Plug-Ins/HAL/DVCPROHDAudio.plugin/Contents/MacOS/DVCPROHDAudio: dlopen(/Library/Audio/Plug-Ins/HAL/DVCPROHDAudio.plugin/Contents/MacOS/DVCPROHD Audio, 262): no suitable image found. Did find:
17/05/2011 14:47:18          com.apple.loginwindow[46]                    /Library/Audio/Plug-Ins/HAL/DVCPROHDAudio.plugin/Contents/MacOS/DVCPR OHDAudio: no matching architecture in universal wrapper
17/05/2011 14:47:18          com.apple.loginwindow[46]          2011-05-17 14:47:18.951 loginwindow[46:107] Cannot find function pointer NewPlugIn for factory C5A4CE5B-0BB8-11D8-9D75-0003939615B6 in CFBundle/CFPlugIn 0x10017cd60 </Library/Audio/Plug-Ins/HAL/DVCPROHDAudio.plugin> (bundle, not loaded)
17/05/2011 14:47:19          com.apple.launchd.peruser.501[112]          (com.Logitech.Control Center.Daemon[150]) Bug: launchd_core_logic.c:4139 (24498):13
17/05/2011 14:47:19          kernel          jnl: disk1s3: journal replay done.
17/05/2011 14:47:19          kernel          V1.3.7: TrustedData_UserClient_SCSIType00::SetLoggingLevel(): 1
17/05/2011 14:47:20          fseventsd[50]          event logs in /Volumes/Drobo/.fseventsd out of sync with volume. destroying old logs. (4304 2 11379)
17/05/2011 14:47:20          SystemUIServer[117]          Error loading /Library/Audio/Plug-Ins/HAL/DVCPROHDAudio.plugin/Contents/MacOS/DVCPROHDAudio: dlopen(/Library/Audio/Plug-Ins/HAL/DVCPROHDAudio.plugin/Contents/MacOS/DVCPROHD Audio, 262): no suitable image found. Did find:
          /Library/Audio/Plug-Ins/HAL/DVCPROHDAudio.plugin/Contents/MacOS/DVCPROHDAu dio: no matching architecture in universal wrapper
17/05/2011 14:47:20          SystemUIServer[117]          Cannot find function pointer NewPlugIn for factory C5A4CE5B-0BB8-11D8-9D75-0003939615B6 in CFBundle/CFPlugIn 0x1002aca90 </Library/Audio/Plug-Ins/HAL/DVCPROHDAudio.plugin> (bundle, not loaded)
17/05/2011 14:47:20          com.apple.usbmuxd[38]          HandleUSBMuxDictionary client 0x100303550-iTunesHelper/com.apple.iTunesHelper using library usbmuxd-211 built on Jan 13 2011 at 04:19:31, running usbmuxd-211 built on Jan 13 2011 at 04:20:21
17/05/2011 14:47:20          kernel          V1.3.7: TrustedData_driver_VendorSpecificType00::vendorSpecificPassThroughIn(): SendCommand failed, status != good, serviceResponse = 2, TaskStatus: 30
17/05/2011 14:47:20          kernel          V1.3.7: TrustedData_UserClient_SCSIType00::vendorSpecificPassThroughIn() returning failure from driver: 3758097084
17/05/2011 14:47:20          fseventsd[50]          log dir: /Volumes/Drobo/.fseventsd getting new uuid: DB175D6F-0256-4DB4-A1B9-510A34CE3D9A
17/05/2011 14:47:20          UserEventAgent[141]          Error loading /Library/Audio/Plug-Ins/HAL/DVCPROHDAudio.plugin/Contents/MacOS/DVCPROHDAudio: dlopen(/Library/Audio/Plug-Ins/HAL/DVCPROHDAudio.plugin/Contents/MacOS/DVCPROHD Audio, 262): no suitable image found. Did find:
          /Library/Audio/Plug-Ins/HAL/DVCPROHDAudio.plugin/Contents/MacOS/DVCPROHDAu dio: no matching architecture in universal wrapper
17/05/2011 14:47:20          UserEventAgent[141]          Cannot find function pointer NewPlugIn for factory C5A4CE5B-0BB8-11D8-9D75-0003939615B6 in CFBundle/CFPlugIn 0x100128630 </Library/Audio/Plug-Ins/HAL/DVCPROHDAudio.plugin> (bundle, not loaded)
17/05/2011 14:47:21          Firewall[71]          SwitchBoard is listening from 127.0.0.1:3705 proto=6
17/05/2011 14:47:21          com.apple.launchd.peruser.501[112]          (0x100400390.mach_init.switchboard.sh) Failed to check-in!
17/05/2011 14:47:21          Firewall[71]          AppleVNCServer is listening from ::ffff:0.0.0.0:5900 proto=6
17/05/2011 14:47:21          apsd-ft[175]          APS daemon launched
17/05/2011 14:47:21          com.apple.launchd.peruser.501[112]          (com.apple.Kerberos.renew.plist[147]) Exited with exit code: 1
17/05/2011 14:47:21          LCCDaemon[150]          Error loading /Library/InputManagers/Inquisitor/Inquisitor.bundle/Contents/MacOS/Inquisitor: dlopen(/Library/InputManagers/Inquisitor/Inquisitor.bundle/Contents/MacOS/Inqui sitor, 265): no suitable image found. Did find:
          /Library/InputManagers/Inquisitor/Inquisitor.bundle/Contents/MacOS/Inquisi tor: GC capability mismatch
17/05/2011 14:47:21          Firewall[71]          GrowlHelperApp is listening from 0.0.0.0:23052 proto=6
17/05/2011 14:47:21          apsd-ft[175]          Successfully got client identity
17/05/2011 14:47:25          Firewall[71]          Dropbox is listening from 0.0.0.0:17500 proto=6
17/05/2011 14:47:25          Firewall[71]          Dropbox is listening from 127.0.0.1:26164 proto=6
17/05/2011 14:47:25          kernel          jnl: disk2s3: journal replay done.
17/05/2011 14:47:25          kernel          V1.3.7: TrustedData_UserClient_SCSIType00::SetLoggingLevel(): 1
17/05/2011 14:47:25          osascript[191]          Initializer-based scripting additions have been deprecated. Please update this addition: "/Library/ScriptingAdditions/LCC Scroll Enhancer Loader.osax"
17/05/2011 14:47:25          fseventsd[50]          event logs in /Volumes/iPhoto/.fseventsd out of sync with volume. destroying old logs. (10866 7 11384)
17/05/2011 14:47:26          fseventsd[50]          log dir: /Volumes/iPhoto/.fseventsd getting new uuid: 47B57753-6574-4E41-A4B9-E61399342240
17/05/2011 14:47:30          osascript[195]          Initializer-based scripting additions have been deprecated. Please update this addition: "/Library/ScriptingAdditions/LCC Scroll Enhancer Loader.osax"
17/05/2011 14:47:37          apsd-ft[175]          <APSCourier: 0x10011b760>: Received connected response OK

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Should I simply turn off hardware acceleration and embrace the resulting loss of performance? Does anyone else experienced the same problem?

Hi jolino,
I'm sorry to hear you are having issues with Yosemite on your MacBook Pro. I also apologize, I'm a bit unclear on the exact circumstances surrounding these freezes, as well as the exact error message you are seeing when your machine comes back up. If you are having intermittent but reoccuring hard system freezes or crashes/restarts across multiple applications, you may find the troubleshooting steps outlined in the following article helpful:
OS X: When your computer spontaneously restarts or displays "Your computer restarted because of a problem." - Apple Support
Regards,
- Brenden

Display acting up - Could it be the graphics card?

About once a day weird lines will appear on the screen, in random colors. It won't just be floating there though, it seems to be stuck to a particular window. I can't understand why this is happening.
Also, multiple times a week it will crash when launching Exposé, forcing me to hold down the power button and restart. The Crash screen doesn't come up, but I've waited to see if it could fix the problem. No luck there.
I've had this computer for about 4 years now, and am wondering: Could it be the graphics card?

Hello KnowYourMac
Welcome to Apple Discussions
To test if your graphic's problem is hardware or software related, backup all your important data and reinstall the OS X. If reinstalling the OS X fixes the problem then your good to go, if not then you have a hardware problem that needs to be serviced.
According to your profile that Late 2006 24" iMac with the NVIDIA GeForce 7300 GT should just now be approaching 3 years old.
http://support.apple.com/kb/SP28
If you need service and purchased Apple Care for that iMac, then there's a good chance it's still maybe covered under warranty?
http://www.apple.com/support/contact/
Dennis

Graphic card problem maybe? Since when I have changed the hard drive to my macbook pro and I installed all the new softwares, my mac is very slow and the screen gives crazy pictures,could maybe be the graphic card, does anybody have experienced this?

Graphic card problem maybe? Since when I have changed the hard drive to my macbook pro and I installed all the new softwares, my mac is very slow and the screen gives crazy pictures,could maybe be the graphic card, does anybody have experienced this?

after a restart it works for a time, but always slow. I went to the Applestore this afternoon and the made a check and said it would be the logicboard and they would have to change it for CHF 600 and it would be ready in 10 - 15 days

Please could someone confirm the Graphics card needed to support a Eizo ColorEdge CG275W monitor, resolution 2560x1440

Hello, community, Please could someone confirm the Graphics card needed to support a Eizo ColorEdge CG275W monitor, resolution 2560x1440. I currently have a Mac Pro with a NVIDIA GeForce 7300 GT VRAM (Total): 256 MB, which I'm guessing by it's age will not handle the new monitor. Any advice greatly appreciated.
Kindly Andrew Nash

https://discussions.apple.com/message/5024326#5024326
I would dump the 7300GT regardless and get the ATI 5770 $249
Apple ATI HD 5770
5770 in the 2006 Mac Pro

Photoshop has crashed both my computers due to a graphic card issue. I would like to revert to old system.

Photoshop has crashed both my computers due to a graphic card issue. How do I
to revert to old system?

Previous via Cloud http://helpx.adobe.com/creative-cloud/help/install-apps.html#previous
-or OLDER previous versions http://www.adobe.com/downloads/other-downloads.html

HT1338 Could I upgrade the Graphic Card to 1GB? my current Graphic is 256.

Could I upgrade the Graphic Card to 1GB? my current Graphic is 256.

You refer to an article about updating software. But the graphics card is hardware.
You can upgrade the graphics card on MacPros but on other Macs the graphics card is part of the processor, so it would be very costly. Also, not exactly a do-it-yourself job.

Mail (4.6) in OS10.6.8 shows several photo attachments with discoloration, distortion (jagged lines, splotches of color, etc.). Could it be a graphics card problem?

My mother-in-law's MacBook Pro 13 (m2009) Mail (4.6) with OS 10.6.8 shows several
photo attachments with discoloration, distortion (jagged lines, splotches of color, etc.).
Could it be a graphics card problem?
Or a bad unpacking of attachments over poor WiFi/Internet?
If anyone has an idea, I'd appreciate your help.
Thanks from Japan!
Dan

Please describe the problem in as much relevant detail as possible. The "etrecheck" fad hasn't made that step any less necessary. The better your description, the better the chance of a solution.
For example, if the computer is slow, which specific actions are slow? Is it slow all the time, or only sometimes? What changes did you make, if any, just before it became slow? Have you seen any alerts or error messages? Have you done anything to try to fix it? Most importantly, do you have a current backup of all data? If the answer to the last question is "no," back up now. Ask if you need guidance. Do nothing else until you have a backup.

IMAC 2007 has broken crackly sound after new graphics card

My 2007 iMac recently had a black screen and has had a new graphics card installed by a local company. I've picked it up today but when I got the IMAC home the sound only seems to come out of the right speaker and is very broken and low, hardly audible, also the chime at start up was like this.
Does anyone know why this could have happened and is there anything I can do without having to take it back in?

Well one piece of advice I can offer is to always take a Mac (any Mac) to an Apple Authorized Service Provider (AASP) or an Apple Store. If you took it somewhere that is not an AASP you never know the level of service you are getting. I would be willing to guess there is an AASP in your general area. If you don't know of one click https://locate.apple.com/lac/en/

My imac keeps having kernel panics - is it the graphics card?

Last few weeks my imac keeps crashing - the screen shows lots of waving lines and then the computer restarts the last report shows:
Interval Since Last Panic Report: 94188 sec
Panics Since Last Report:          1
Fri Aug 23 17:42:23 2013
panic(cpu 0 caller 0xffffff7f8117af33): NVRM[0/1:0:0]: Read Error 0x00002048: CFG 0xffffffff 0xffffffff 0xffffffff, BAR0 0xe2000000 0xffffff8080a36000 0x092480a2, D0, P3/4
Backtrace (CPU 0), Frame : Return Address
0xffffff808040b820 : 0xffffff8000a1d626
0xffffff808040b890 : 0xffffff7f8117af33
0xffffff808040b950 : 0xffffff7f814e23b9
0xffffff808040b990 : 0xffffff7f814c3a31
0xffffff808040b9c0 : 0xffffff7f814d4aa1
0xffffff808040b9f0 : 0xffffff7f814c38ae
0xffffff808040bb10 : 0xffffff7f812cb0a9
0xffffff808040bc60 : 0xffffff7f812ca5f9
0xffffff808040bd70 : 0xffffff7f812ce2eb
0xffffff808040bdc0 : 0xffffff7f81539f91
0xffffff808040bdf0 : 0xffffff7f812cdf02
0xffffff808040be70 : 0xffffff7f81160141
0xffffff808040bf30 : 0xffffff7f8111f975
0xffffff808040bf60 : 0xffffff8000a3e25e
0xffffff808040bfb0 : 0xffffff8000ab3137
      Kernel Extensions in backtrace:
         com.apple.NVDAResman(8.1.2)[96AE69DE-8A37-39D0-B2D3-D8446A6AA670]@0xffffff7f811 19000->0xffffff7f813befff
            dependency: com.apple.iokit.IOPCIFamily(2.7.3)[1D668879-BEF8-3C58-ABFE-FAC6B3E9A292]@0xffff ff7f81083000
            dependency: com.apple.iokit.IONDRVSupport(2.3.7)[6C8CFC18-75F0-3DEF-86C7-CEB2C1FD6BB1]@0xff ffff7f81105000
            dependency: com.apple.iokit.IOGraphicsFamily(2.3.7)[990D1A42-DF16-3AB9-ABC1-6A88AC142244]@0 xffffff7f810c2000
         com.apple.nvidia.nv50hal(8.1.2)[988EAF3A-3318-3787-8A5A-844830FA1522]@0xffffff7 f813ca000->0xffffff7f8169efff
            dependency: com.apple.NVDAResman(8.1.2)[96AE69DE-8A37-39D0-B2D3-D8446A6AA670]@0xffffff7f811 19000
            dependency: com.apple.iokit.IOPCIFamily(2.7.3)[1D668879-BEF8-3C58-ABFE-FAC6B3E9A292]@0xffff ff7f81083000
BSD process name corresponding to current thread: kernel_task
Mac OS version:
12E55
Kernel version:
Darwin Kernel Version 12.4.0: Wed May 1 17:57:12 PDT 2013; root:xnu-2050.24.15~1/RELEASE_X86_64
Kernel UUID: 896CB1E3-AB79-3DF1-B595-549DFFDF3D36
Kernel slide:     0x0000000000800000
Kernel text base: 0xffffff8000a00000
System model name: iMac8,1 (Mac-F227BEC8)
System uptime in nanoseconds: 4276125927701
last loaded kext at 963286424807: com.apple.filesystems.smbfs          1.8.4 (addr 0xffffff7f82b2f000, size 229376)
last unloaded kext at 324027987941: com.apple.filesystems.msdosfs          1.8.1 (addr 0xffffff7f82b21000, size 57344)
loaded kexts:
com.apple.filesystems.smbfs          1.8.4
com.apple.driver.AppleHWSensor          1.9.5d0
com.apple.driver.AppleBluetoothMultitouch          75.19
com.apple.driver.AudioAUUC          1.60
com.apple.driver.IOBluetoothA2DPAudioDriver          4.1.4f2
com.apple.driver.AppleHDA          2.3.7fc4
com.apple.iokit.BroadcomBluetoothHCIControllerUSBTransport          4.1.4f2
com.apple.iokit.IOUserEthernet          1.0.0d1
com.apple.iokit.IOBluetoothSerialManager          4.1.4f2
com.apple.Dont_Steal_Mac_OS_X          7.0.0
com.apple.driver.ApplePolicyControl          3.4.5
com.apple.driver.AppleSMCPDRC          1.0.0
com.apple.driver.AppleUpstreamUserClient          3.5.10
com.apple.driver.AppleLPC          1.6.0
com.apple.GeForce          8.1.2
com.apple.driver.AppleBacklight          170.2.5
com.apple.driver.AppleMCCSControl          1.1.11
com.apple.driver.ACPI_SMC_PlatformPlugin          1.0.0
com.apple.filesystems.autofs          3.0
com.apple.driver.AppleIRController          320.15
com.apple.driver.Oxford_Semi          3.1.7
com.apple.iokit.SCSITaskUserClient          3.5.5
com.apple.AppleFSCompression.AppleFSCompressionTypeDataless          1.0.0d1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib          1.0.0d1
com.apple.BootCache          34
com.apple.driver.XsanFilter          404
com.apple.iokit.IOAHCIBlockStorage          2.3.1
com.apple.driver.AppleAHCIPort          2.5.2
com.apple.driver.AppleUSBHub          5.5.5
com.apple.iokit.AppleYukon2          3.2.3b1
com.apple.driver.AirPortBrcm43224          600.36.17
com.apple.driver.AppleFWOHCI          4.9.6
com.apple.driver.AppleIntelPIIXATA          2.5.1
com.apple.driver.AppleUSBEHCI          5.5.0
com.apple.driver.AppleUSBUHCI          5.2.5
com.apple.driver.AppleEFINVRAM          1.7
com.apple.driver.AppleRTC          1.5
com.apple.driver.AppleHPET          1.8
com.apple.driver.AppleACPIButtons          1.7
com.apple.driver.AppleSMBIOS          1.9
com.apple.driver.AppleACPIEC          1.7
com.apple.driver.AppleAPIC          1.6
com.apple.driver.AppleIntelCPUPowerManagementClient          196.0.0
com.apple.nke.applicationfirewall          4.0.39
com.apple.security.quarantine          2.1
com.apple.driver.AppleIntelCPUPowerManagement          196.0.0
com.apple.driver.IOBluetoothHIDDriver          4.1.4f2
com.apple.driver.AppleMultitouchDriver          235.29
com.apple.driver.DspFuncLib          2.3.7fc4
com.apple.iokit.IOAudioFamily          1.8.9fc11
com.apple.kext.OSvKernDSPLib          1.6
com.apple.iokit.AppleBluetoothHCIControllerUSBTransport          4.1.4f2
com.apple.driver.AppleHDAController          2.3.7fc4
com.apple.iokit.IOHDAFamily          2.3.7fc4
com.apple.iokit.IOSurface          86.0.4
com.apple.iokit.IOSerialFamily          10.0.6
com.apple.iokit.IOBluetoothFamily          4.1.4f2
com.apple.iokit.IOFireWireIP          2.2.5
com.apple.driver.AppleGraphicsControl          3.4.5
com.apple.driver.AppleBacklightExpert          1.0.4
com.apple.driver.AppleSMBusController          1.0.11d0
com.apple.driver.AppleSMC          3.1.4d2
com.apple.driver.IOPlatformPluginLegacy          1.0.0
com.apple.driver.IOPlatformPluginFamily          5.3.0d51
com.apple.nvidia.nv50hal          8.1.2
com.apple.NVDAResman          8.1.2
com.apple.iokit.IONDRVSupport          2.3.7
com.apple.iokit.IOGraphicsFamily          2.3.7
com.apple.kext.triggers          1.0
com.apple.driver.AppleUSBHIDKeyboard          170.2
com.apple.driver.AppleHIDKeyboard          170.2
com.apple.iokit.IOUSBHIDDriver          5.2.5
com.apple.iokit.IOSCSIBlockCommandsDevice          3.5.5
com.apple.iokit.IOFireWireSerialBusProtocolTransport          2.1.1
com.apple.iokit.IOFireWireSBP2          4.2.2
com.apple.driver.AppleUSBMergeNub          5.5.5
com.apple.driver.AppleUSBComposite          5.2.5
com.apple.iokit.IOSCSIMultimediaCommandsDevice          3.5.5
com.apple.iokit.IOBDStorageFamily          1.7
com.apple.iokit.IODVDStorageFamily          1.7.1
com.apple.iokit.IOCDStorageFamily          1.7.1
com.apple.iokit.IOATAPIProtocolTransport          3.5.0
com.apple.iokit.IOSCSIArchitectureModelFamily          3.5.5
com.apple.iokit.IOAHCIFamily          2.3.1
com.apple.iokit.IOUSBUserClient          5.5.5
com.apple.iokit.IO80211Family          530.4
com.apple.iokit.IONetworkingFamily          3.0
com.apple.iokit.IOFireWireFamily          4.5.5
com.apple.iokit.IOATAFamily          2.5.1
com.apple.iokit.IOUSBFamily          5.6.0
com.apple.driver.AppleEFIRuntime          1.7
com.apple.iokit.IOHIDFamily          1.8.1
com.apple.iokit.IOSMBusFamily          1.1
com.apple.security.sandbox          220.3
com.apple.kext.AppleMatch          1.0.0d1
com.apple.security.TMSafetyNet          7
com.apple.driver.DiskImages          345
com.apple.iokit.IOStorageFamily          1.8
com.apple.driver.AppleKeyStore          28.21
com.apple.driver.AppleACPIPlatform          1.7
com.apple.iokit.IOPCIFamily          2.7.3
com.apple.iokit.IOACPIFamily          1.4
com.apple.kec.corecrypto          1.0
Model: iMac8,1, BootROM IM81.00C1.B00, 2 processors, Intel Core 2 Duo, 3.06 GHz, 4 GB, SMC 1.30f1
Graphics: NVIDIA GeForce 8800 GS, NVIDIA GeForce 8800 GS, PCIe, 512 MB
Memory Module: BANK 0/DIMM0, 2 GB, DDR2 SDRAM, 800 MHz, 0xAD00000000000000, 0x48594D503132355336344352382D53362020
Memory Module: BANK 1/DIMM1, 2 GB, DDR2 SDRAM, 800 MHz, 0xAD00000000000000, 0x48594D503132355336344352382D53362020
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x8C), Broadcom BCM43xx 1.0 (5.10.131.36.16)
Bluetooth: Version 4.1.4f2 12041, 2 service, 18 devices, 1 incoming serial ports
Network Service: Ethernet, Ethernet, en0
Serial ATA Device: ST3500418ASQ, 500.11 GB
Parallel ATA Device: OPTIARC DVD RW AD-5630A
USB Device: Keyboard Hub, apple_vendor_id, 0x1006, 0xfa400000 / 2
USB Device: Apple Keyboard, apple_vendor_id, 0x0221, 0xfa420000 / 3
USB Device: Built-in iSight, apple_vendor_id, 0x8502, 0xfd400000 / 2
USB Device: BRCM2046 Hub, 0x0a5c (Broadcom Corp.), 0x4500, 0x1a100000 / 2
USB Device: Bluetooth USB Host Controller, apple_vendor_id, 0x820f, 0x1a110000 / 4
USB Device: IR Receiver, apple_vendor_id, 0x8242, 0x5d100000 / 2
FireWire Device: FreeAgent FW, Seagate, 800mbit_speed
FireWire Device: 1394 Storage Front Panel*, Maxtor, 400mbit_speed
Is my graphics card struggling?

Yes, it's the graphics card.
Make a "Genius" appointment at an Apple Store, or go to another authorized service provider. You may have to leave the machine there for several days.
Print the first page of the panic report and bring it with you.
Back up all data on the internal drive(s) before you hand over your computer to anyone. There are ways to back up a computer that isn't fully functional — ask if you need guidance.
If privacy is a concern, erase the data partition(s) with the option to write zeros* (do this only if you have at least two complete, independent backups, and you know how to restore to an empty drive from any of them.) Don’t erase the recovery partition, if present.
Keeping your confidential data secure during hardware repair
*An SSD doesn't need to be zeroed.

I had a 'dead' iMac repaired and it needed a new HDD & graphics card, the repairer installed OSX 10.6.8 and i now need to install other software but I am being asked for 'User' password so I may do this, I've no idea what this will be. Help please.

I had a 'dead' iMac repaired and it needed a new HDD and graphics card, the repairer installed OSX 10.6.8 and i now need to install other software but I am being asked for 'User' password so I may do this, I have no idea what this will be. can anybody help please?
<Personal Information Edited by Host>

On looking at the secure.log on the iMac with OSX10.6.8, I see these entries at each attempt to scp into the iMac:
Dec 29 11:06:20 molika sshd[7248]: in pam_sm_authenticate(): Failed to determine Kerberos principal name.
Dec 29 11:06:26 molika sshd[7246]: Accepted keyboard-interactive/pam for prowat from 137.110.243.132 port 35571 ssh2
Dec 29 11:06:26 molika com.apple.SecurityServer[26]: Session 0x236a14 created
Dec 29 11:06:26 molika com.apple.SecurityServer[26]: Session 0x236a14 attributes 0x20
Dec 29 11:06:27 molika com.apple.SecurityServer[26]: Session 0x236a14 dead
Dec 29 11:06:27 molika com.apple.SecurityServer[26]: Killing auth hosts
Dec 29 11:06:27 molika com.apple.SecurityServer[26]: Session 0x236a14 destroyed
I don't know what to make of this.
Peter R

Graphics card issue iMac 21.5" mid 2011

Hello,
I have a 21.5" mid 2011 iMac with windows 7 64bit installed and when I open DxDiag it says to me that my graphics card has 221MB of dedicated memory instead of 512. Can this problem negatively affect the computer's performance (for example while playing games)? How do I fix this?
My graphics card is the ATI Radeon 6750m.
Thank you very much for helping.

Anyone can help?

Crashing with Skitch, Snapz Pro, Fast User Switching - graphics card issue?

Noticed this issue when I switched back to a G5 from a Mac Pro.
Clean install of the OS and apps but Skitch locked the machine when accessing prefs etc. in the app. Then discovered Snapz Pro locked the machine when attempting to screen grab. Now, after creating a new user account and activating Fast User Switching the machine locks when switching to the new user.
Could this be an Open GL or Quartz Extreme issue? Ran Xbench and everything went fine. Normal day to day use of the machine is sound.
System Profiler tells me this about the graphics card:
*ATI Radeon X800 XT:*
Chipset Model: ATY,R420
Type: Display
Bus: AGP
Slot: SLOT-1
VRAM (Total): 256 MB
Vendor: ATI (0x1002)
Device ID: 0x4a48
Revision ID: 0x0000
ROM Revision: 113-A35801-109
I just flashed the ROM to 109 (from 108) today, but still have the issue.
Thoughts?

Malcom,
If I turn it off, then I lose the ability to jump between users without having to kill everything I'm doing. Yes, that does solve the problem, but only because it removes the cause of the problem. I'm trying to find a solution to the issue.
-Steve

Could You upgrade the graphics card on a powerbook G4 titanium

Hello everybody My name is John,
I have a video card, ATI RAGE 128 Mobility graphics card (with 8 MiB of VRAM; running at 2x AGP) could you upgrade( meaning buying a higher graphics card and installing it on your laptop) To a ATI Radeon 9000 Mobility graphics card running at 4x AGP, which shipped with 32 MiB of VRAM or a NVIDIA GeForce FX Go5200 (64 MiB) ????
If anybody has any suggestion or any idea If it is possible, please write back,
Cheers,
John

Hi John,
Video cards in TiBooks are soldered onto the logic board, and cannot be upgraded.

I have a mid 2010 macbook pro 15" and recently it started crashing so I took it to my local Apple store to have it looked into and they told me its a graphics card issue requiring the replacement of the logic board at a cost to me of $340.

I took my laptop to my local Apple store to have the problem diagnosed and they told me the problem lies in the grpahics card which will require the replacement of the entire logic board at a cost to me of $340.
after that I did some research on the topic and found that this was a massive problem on this model of macbook pro and Apple never issued a recall to fix the issue, are there any class action suits in this category currently underway? if so how can I join?

I also have a mid-2010 Macbook Pro 15". Also, I had paid $100 for Apple Developer account and I can't even use Xcode or Unity3D to work on my game because the moment I write a line of code, my computer crashes. Scratch that, I used to have an Apple Developer account (I let it expire a couple of weeks ago). It hasn't been of much use since my Macbook Pro crashes 15 times a day.\
A month after buying a mid-2010 Macbook Pro 15" directly from Apple, it began to crash. At first, I assumed it was my fault as I had been messing around with Bootcamp and doing other heavy stuff, but I quickly learned it would randomly decide to shutdown regardless of the task at hand. I was very busy at the time. I was a fledgling teacher in France, and I hardly had any time, or money, to put toward a 84 euro train ticket to Paris. Also, OS X updates were around the corner (Lion, Mountain Lion), so I held out, hoping the issue would be resolved with the updates.
During my investigation of the issue, I did find the TS4088 article. It recommended I install some updates, and then it described a problem that seemed similar to my own, but the order in which the problems occured, as described in the TS4088 article, did not follow the same pattern that my computer had been experiencing–there was no gray or black screen after the restart warning message when my mac crashed. The first time I found TS4088 on Apple's Support page (at a time when their product recalls were easier to locate before they redesigned their website), it was a couple of months after I had bought the computer. I reasoned that my Macbook Pro must not be suffering from the same issues as I had never seen the video freeze or go black before seeing a restart message. The restart warning message is the last thing I saw, no loss of video or black(or gray) screen afterwards. My computer would simply start to boot up again.
About two years after buying the computer, and suffering from about 3 GPU panics a day, I searched for the TS4088 article again, wondering if I had misread it, and that maybe the issues described in the article were the same issues I was experiencing. This time I could not find the TS4088 article on Apple's Website. I searched over and over again, but it was nowhere to be found. I assumed that issue had been resolved and the article removed. Now after three years of using a faulty, unreliable computer, I was feeling like a schmuck. I searched again on Apple's website to find the TS4088 article, or any new ones that outlined my very apparent GPU issues, but I had no luck. I circled Apple's website over and over and could not find that article. It was only through a link other frustrated mid-2010 Macbook Pro owners had posted on some other website that I found the link to TS4088, also learning that the forum's users were experiencing my same problems.
Based on the language Apple used to describe the problem, I did not reason that I was suffering the same issue. Here's what happens when my computer crashes:
     • The computer seems to shut down. The display turns off, the fans stop spinning
     • The message "Your computer was restarted because of a problem . . . Press any key to restart" is displayed.
     • I press any key, the computer restarts, I wait for next crash to interrupt my work
Excerpt from TS4088
"Symptoms
Apple has determined that a small number of MacBook Pro (15-inch, Mid 2010) computers may intermittently freeze or stop displaying video on the built-in display or on an external display connected to the MacBook Pro. In this situation, you may also see a restart warning message before the video is lost or the display turns black or gray."
My computer never displays a restart message before the video is lost or display turns black. My Macbook Pro mid 2010 loses the picture on the display, and less than a second after that is the restart warning displayed. The video would never freeze or stop playing, rather the whole computer just dumped all of its processes and displayed a warning message asking me to press any key to restart.
My issues with this problem are the following:
•The problems described in TS4088 do not accurately reflect what users are experiencing. TS4088 is misleading in this respect.
•The article TS4088 was not easy to find on Apple's website. It seemed to have moved to an obscure, impossible-to-find location that could only be found thanks to the great number of other Mac users who are experiencing the same problem.
This issue hasn't been managed dutifully. I'm annoyed to have sunk money into a developer account. I'm annoyed that I sunk money into an expensive product that does not work. I'm annoyed that the description of the issue afflicting mid 2010 Macbook Pros was inaccurately and misleadingly described and that links to the TS4088 article disappeared from Apple's website when I could have truly benefitted from them. I am especially annoyed that my life in graphic design, web development, and iOS development has stagnated for several months as my computer crashes some 15 times a day. I am, however, pleased with the speed at which a Mac can boot up.

My iMac is crashing recently.. could it be a graphics card issue?

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