IMAC crashing in login screen

Hey there.
My iMAC crashes quite often in the login scree. last time it happened , I got the log file from the console. This is the activity from the moment I turned on my iMAc and it crashed on login screen. i then rebooted and got the log file as soon as I was in the system.
here it is:
27/06/2009 21:17:27 com.apple.launchctl.System[2] fsck_hfs: Volume is journaled. No checking performed.
27/06/2009 21:17:27 com.apple.launchctl.System[2] fsck_hfs: Use the -f option to force checking.
27/06/2009 21:17:28 com.apple.launchctl.System[2] BootCacheControl: could not open /var/db/BootCache.playlist: No such file or directory
27/06/2009 21:17:28 com.apple.launchctl.System[2] BootCacheControl: could not unlink playlist /var/db/BootCache.playlist: Unknown error: -1
27/06/2009 21:17:29 com.apple.launchctl.System[2] launchctl: Please convert the following to launchd: /etc/mach_init.d/dashboardadvisoryd.plist
27/06/2009 21:17:29 com.apple.launchd[1] (com.apple.blued) Unknown key for boolean: EnableTransactions
27/06/2009 21:17:29 com.apple.launchd[1] (com.apple.usbmuxd) Unknown key for boolean: EnableTransactions
27/06/2009 21:17:29 com.apple.launchd[1] (org.cups.cupsd) Unknown key: SHAuthorizationRight
27/06/2009 21:17:29 com.apple.launchd[1] (org.ntp.ntpd) Unknown key: SHAuthorizationRight
27/06/2009 21:17:29 com.apple.launchd[1] (org.x.privileged_startx) Unknown key for boolean: EnableTransactions
27/06/2009 21:17:36 com.apple.launchd[1] (com.openssh.sshd) Unknown key: SHAuthorizationRight
27/06/2009 21:17:41 com.apple.launchd[1] (com.paceap.pacesupport52) posix_spawnp("/System/Library/Extensions/PACESupportFamily.kext/Contents/Resour ces/paceload", ...): No such file or directory
27/06/2009 21:17:41 com.apple.launchd[1] (com.paceap.pacesupport52) Exited with exit code: 1
27/06/2009 21:17:44 com.vmware.launchd.vmware53 VMware Fusion 51348: Starting VMware Fusion:
27/06/2009 21:17:45 com.vmware.launchd.vmware53 kextload serialization lock busy; sleeping (89 retries left)
27/06/2009 21:17:46 org.ntp.ntpd26 Error : nodename nor servname provided, or not known
27/06/2009 21:17:46 com.vmware.launchd.vmware53 kextload serialization lock busy; sleeping (88 retries left)
27/06/2009 21:17:48 com.vmware.launchd.vmware53 kextload: /Library/Application Support/VMware Fusion/kexts/vmmon.kext loaded successfully
27/06/2009 21:17:49 com.vmware.launchd.vmware53 kextload: /Library/Application Support/VMware Fusion/kexts/vmci.kext loaded successfully
27/06/2009 21:17:52 com.vmware.launchd.vmware53 kextload: /Library/Application Support/VMware Fusion/kexts/vmioplug.kext loaded successfully
27/06/2009 21:17:52 com.vmware.launchd.vmware53 kextload: /Library/Application Support/VMware Fusion/kexts/vmnet.kext loaded successfully
27/06/2009 21:17:53 com.vmware.launchd.vmware53 Internet Software Consortium DHCP Server 2.0
27/06/2009 21:17:53 com.vmware.launchd.vmware53 Copyright 1995, 1996, 1997, 1998, 1999 The Internet Software Consortium.
27/06/2009 21:17:53 com.vmware.launchd.vmware53 All rights reserved.
27/06/2009 21:17:53 com.vmware.launchd.vmware53 Please contribute if you find this software useful.
27/06/2009 21:17:53 com.vmware.launchd.vmware53 For info, please visit http://www.isc.org/dhcp-contrib.html
27/06/2009 21:17:53 com.vmware.launchd.vmware53 Can't open lease database /var/db/vmware/vmnet-dhcpd-vmnet8.leases: No such file or directory -- check for failed database rewrite attempt!
27/06/2009 21:17:53 com.vmware.launchd.vmware53 Please read the dhcpd.leases manual page if you.
27/06/2009 21:17:53 com.vmware.launchd.vmware53 don't know what to do about this.
27/06/2009 21:17:53 com.vmware.launchd.vmware53 exiting.
27/06/2009 21:17:53 com.apple.launchd[1] (com.vmware.launchd.vmware53) Exited with exit code: 1
27/06/2009 21:18:00 com.apple.SystemStarter31 PACESupport - Couldn't find the paceload script
27/06/2009 21:18:01 com.apple.SystemStarter31 Starting Qmaster services
27/06/2009 21:23:08 com.apple.launchd[1] (com.apple.UserEventAgent-LoginWindow97) Exited: Terminated
27/06/2009 21:23:08 com.apple.launchd112 (com.apple.AirPortBaseStationAgent) Unknown key for boolean: EnableTransactions
27/06/2009 21:23:08 com.apple.launchd112 (org.x.startx) Unknown key for boolean: EnableTransactions
27/06/2009 21:23:09 com.apple.FolderActions.enabled115 launchctl: Error unloading: com.apple.FolderActions.folders
27/06/2009 21:23:11 Dock125 _DESCRegisterDockExtraClient failed 268435459
27/06/2009 21:23:17 Dock125 QL ERROR Generator database update takes too long... we will use what we currently have
27/06/2009 21:23:25 0x0-0x10010.info.virtuedesktops.VirtueDesktops137 dyld: Library not loaded: @executable_path/../Frameworks/TAUserInterfaceElements.framework/Versions/A/TAU serInterfaceElements
27/06/2009 21:23:25 0x0-0x10010.info.virtuedesktops.VirtueDesktops137 Referenced from: /Applications/VirtueDesktops.app/Contents/MacOS/VirtueDesktops
27/06/2009 21:23:25 0x0-0x10010.info.virtuedesktops.VirtueDesktops137 Reason: unsafe use of @executable_path in /Applications/VirtueDesktops.app/Contents/MacOS/VirtueDesktops with setuid binary
27/06/2009 21:23:27 com.apple.launchd112 (0x0-0x10010.info.virtuedesktops.VirtueDesktops137) Exited abnormally: Trace/BPT trap
27/06/2009 21:23:36 0x0-0x12012.com.apple.systemevents139 com.apple.FolderActions.enabled: Already loaded
27/06/2009 21:26:49 0x0-0x18018.com.apple.Safari168 Debugger() was called!
27/06/2009 21:29:40 com.apple.launchd112 (0x0-0x1c01c.com.apple.Console177) Exited: Terminated
Thanx!

HI,
If you can access these files, delete them and see if it helps.
com.apple.loginitems.plist
com.apple.loginitems.plist
/Users/YourName/Library/Preferences. Drag those files from the Preferences folder to the Trash, empty the Trash and restart your Mac.
*"27/06/2009 21:17:44 com.vmware.launchd.vmware53 VMware Fusion 51348: Starting VMware Fusion:"*
Are you running a Windows partition?
Are you using VirtueDesktops? If so, you may want to delete the app and see if that makes a difference.
Carolyn

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EtreCheck version: 2.1.8 (121)
Report generated February 19, 2015 at 11:09:18 PM CST
Download EtreCheck from http://etresoft.com/etrecheck
Click the [Click for support] links for help with non-Apple products.
Click the [Click for details] links for more information about that line.
Hardware Information: ℹ️
    iMac (27-inch, Late 2013) (Technical Specifications)
    iMac - model: iMac14,2
    1 3.2 GHz Intel Core i5 CPU: 4-core
    24 GB RAM Upgradeable
        BANK 0/DIMM0
            8 GB DDR3 1600 MHz ok
        BANK 1/DIMM0
            8 GB DDR3 1600 MHz ok
        BANK 0/DIMM1
            4 GB DDR3 1600 MHz ok
        BANK 1/DIMM1
            4 GB DDR3 1600 MHz ok
    Bluetooth: Good - Handoff/Airdrop2 supported
    Wireless: en1: 802.11 a/b/g/n/ac
Video Information: ℹ️
    NVIDIA GeForce GT 755M - VRAM: 1024 MB
        iMac 2560 x 1440
System Software: ℹ️
    OS X 10.10.2 (14C109) - Time since boot: 3:29:12
Disk Information: ℹ️
    APPLE SSD SD0128F disk0 : (121.33 GB)
        EFI (disk0s1) <not mounted> : 210 MB
        Boot OS X (disk0s3) <not mounted> : 134 MB
        Macintosh HD (disk2) / : 3.11 TB (1.80 TB free)
            Core Storage: disk0s2 120.99 GB Online
            Core Storage: disk1s2 3.00 TB Online
    APPLE HDD ST3000DM001 disk1 : (3 TB)
        EFI (disk1s1) <not mounted> : 210 MB
        Recovery HD (disk1s3) <not mounted> [Recovery]: 650 MB
        Macintosh HD (disk2) / : 3.11 TB (1.80 TB free)
            Core Storage: disk0s2 120.99 GB Online
            Core Storage: disk1s2 3.00 TB Online
USB Information: ℹ️
    VIA Labs, Inc. USB3.0 Hub
    Apple Inc. BRCM20702 Hub
        Apple Inc. Bluetooth USB Host Controller
    Apple Inc. FaceTime HD Camera (Built-in)
    VIA Labs, Inc. USB2.0 Hub
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    Apple Inc. thunderbolt_bus
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    Anywhere
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        /Applications/Wireless Auto Import.app
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    [not loaded]    org.virtualbox.kext.VBoxUSB (4.2.18) [Click for support]
        /System/Library/Extensions
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    [not loaded]    com.Belcarra.iokit.USBLAN_usbpart (3.1.1 - SDK 10.6) [Click for support]
    [loaded]    com.Cycling74.driver.Soundflower (1.6.6 - SDK 10.6) [Click for support]
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    [not loaded]    com.dvdfab.kext.fabio (1) [Click for support]
    [not loaded]    com.leapfrog.codeless.kext (2) [Click for support]
    [not loaded]    com.makemkv.kext.daspi (1) [Click for support]
    [not loaded]    com.pctools.iantivirus.kfs (1.0.1) [Click for support]
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    [not loaded]    com.roxio.BluRaySupport (1.1.6) [Click for support]
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    [loaded]    com.oracle.java.Java-Updater.plist [Click for support]
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User Login Items: ℹ️
    iTunesHelper    Application Hidden (/Applications/iTunes.app/Contents/MacOS/iTunesHelper.app)
    Dropbox    Application Hidden (/Applications/Dropbox.app)
    Canon IJ Network Scanner Selector EX    Application Hidden (/Applications/Canon Utilities/IJ Network Scanner Selector EX/Canon IJ Network Scanner Selector EX.app)
    Google Drive    Application Hidden (/Applications/Google Drive.app)
    Plex Media Server    Application Hidden (/Applications/Plex Media Server.app)
    Music Manager    UNKNOWN Hidden (missing value)
    Music Manager    Application Hidden (/Users/[redacted]/Library/PreferencePanes/MusicManager.prefPane/Contents/Helpe rs/MusicManagerHelper.app)
Internet Plug-ins: ℹ️
    EPPEX Plugin: Version: 10.0 [Click for support]
    Flash Player: Version: 16.0.0.305 - SDK 10.6 [Click for support]
    OfficeLiveBrowserPlugin: Version: 12.2.0 [Click for support]
    LogMeInSafari32: Version: 1.0.586 [Click for support]
    googletalkbrowserplugin: Version: 5.40.2.0 - SDK 10.8 [Click for support]
    AdobeExManDetect: Version: AdobeExManDetect 1.1.0.0 - SDK 10.7 [Click for support]
    iPhotoPhotocast: Version: 7.0
    RayV: Version: 2.0.3.1 [Click for support]
    DirectorShockwave: Version: 11.6.4r634 [Click for support]
    QuickTime Plugin: Version: 7.7.3
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    FlashPlayer-10.6: Version: 16.0.0.305 - SDK 10.6 [Click for support]
    CitrixICAClientPlugIn: Version: 1.0 - SDK 10.6 [Click for support]
    GarminGpsControl: Version: 4.0.4.0 Release - SDK 10.6 [Click for support]
    DivXBrowserPlugin: Version: 2.0 [Click for support]
    Silverlight: Version: 5.1.30514.0 - SDK 10.6 [Click for support]
    LogMeIn: Version: 1.0.586 [Click for support]
    Google Earth Web Plug-in: Version: 6.0 [Click for support]
    LogitechHarmony: Version: 2.0 - SDK 10.7 [Click for support]
    Default Browser: Version: 600 - SDK 10.10
    Flip4Mac WMV Plugin: Version: 3.0.0.126   - SDK 10.8 [Click for support]
    o1dbrowserplugin: Version: 5.40.2.0 - SDK 10.8 [Click for support]
    JavaAppletPlugin: Version: Java 8 Update 31 Check version
    JoostPlugin: Version: 0.14.8 [Click for support]
Safari Extensions: ℹ️
    1Password
    Add To Amazon Wish List
    FastestTube
    Evernote Web Clipper
    Pin It Button
3rd Party Preference Panes: ℹ️
    Backblaze Backup [Click for support]
    Citrix ShareFile Sync [Click for support]
    DivX [Click for support]
    Flash Player [Click for support]
    Flip4Mac WMV [Click for support]
    Java [Click for support]
    MusicManager [Click for support]
    Perian [Click for support]
Time Machine: ℹ️
    Skip System Files: NO
    Mobile backups: OFF
    Auto backup: YES
    Volumes being backed up:
        Macintosh HD: Disk size: 3.11 TB Disk used: 1.32 TB
    Destinations:
        Backups.backupdb [Network]
        Total size: 5.00 TB
        Total number of backups: 40
        Oldest backup: 2015-01-15 22:28:41 +0000
        Last backup: 2015-02-20 04:34:32 +0000
        Size of backup disk: Adequate
            Backup size 5.00 TB > (Disk used 1.32 TB X 3)
Top Processes by CPU: ℹ️
         4%    WindowServer
         2%    plugin-container
         0%    usbmuxd
         0%    Plex Plug-in [com.plexapp.system]
         0%    Safari
Top Processes by Memory: ℹ️
    438 MB    softwareupdated
    309 MB    mds_stores
    258 MB    Safari
    258 MB    firefox
    232 MB    iTunes
Virtual Memory Information: ℹ️
    12.78 GB    Free RAM
    7.34 GB    Active RAM
    3.84 GB    Inactive RAM
    1.81 GB    Wired RAM
    6.78 GB    Page-ins
    0 B    Page-outs
Diagnostics Information: ℹ️
    Feb 19, 2015, 07:39:44 PM    Self test - passed
    Feb 18, 2015, 02:03:17 AM    /Library/Logs/DiagnosticReports/Plex Media Server_2015-02-18-020317_[redacted].cpu_resource.diag [Click for details]
    Feb 17, 2015, 02:03:05 AM    /Library/Logs/DiagnosticReports/Plex Media Server_2015-02-17-020305_[redacted].cpu_resource.diag [Click for details]

Crash to Login Screen - typical?

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Exception Type: EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: KERN_INVALID_ADDRESS at 0xffffffff1f254e98
Crashed Thread: 0 Dispatch queue: com.apple.main-thread
I'm not so concerned with why it crashed (that looks like a kernel panic to me), but how it behaved when it did. I've just never seen this before (Tiger's preferred method was to throw a panic screen at me).

I had a similar problem, which I posted a thread about, with no real response. Apple suggested reinstalling everything, which I did, and the problem went away for a while, but now it's back. If anyone has any suggestions, I'd very much like to hear them.
Process:         WindowServer [83]
Path:            /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ CoreGraphics.framework/Versions/A/Resources/WindowServer
Identifier:      WindowServer
Version:         ??? (???)
Code Type:       X86-64 (Native)
Parent Process: launchd [1]
Date/Time:       2011-07-20 19:25:30.698 -0400
OS Version:      Mac OS X 10.6.8 (10K540)
Report Version: 6
Exception Type: EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: KERN_INVALID_ADDRESS at 0x00000001b000b350
Crashed Thread: 0 Dispatch queue: com.apple.main-thread
Thread 0 Crashed: Dispatch queue: com.apple.main-thread
0   com.apple.CoreGraphics                  0x00007fff82305a20 CGXUpdateScoreboard + 715
1   com.apple.CoreGraphics                  0x00007fff82305490 updateScoreboard + 99
2   com.apple.CoreGraphics                  0x00007fff82320e93 sPostContinuation + 801
3   com.apple.CoreGraphics                  0x00007fff8236ac8b postAfterTapID + 277
4   com.apple.CoreGraphics                  0x00007fff824b6215 postFilteredEventTapData + 484
5   com.apple.CoreGraphics                  0x00007fff8248cf2b _XPostFilteredEventTapData + 192
6   com.apple.CoreGraphics                  0x00007fff82329499 CGXWindowServer_server + 106
7   com.apple.CoreGraphics                  0x00007fff82329307 rendezvousHandler + 153
8   com.apple.CoreGraphics                  0x00007fff82322aad CGXPostPortData + 175
9   com.apple.CoreGraphics                  0x00007fff823228b7 CGXRunOneServerPass + 451
10 com.apple.CoreGraphics                  0x00007fff8231f96d CGXRunOneServicesPass + 672
11 com.apple.CoreGraphics                  0x00007fff82328b26 CGXServerLoop + 139
12 com.apple.CoreGraphics                  0x00007fff822f32b6 CGXGetRootAdminCredentials + 0
13 WindowServer                            0x0000000100000f29 main + 9
14 WindowServer                            0x0000000100000f18 start + 52
Thread 1: Dispatch queue: com.apple.libdispatch-manager
0   libSystem.B.dylib                       0x00007fff84039c0a kevent + 10
1   libSystem.B.dylib                       0x00007fff8403badd _dispatch_mgr_invoke + 154
2   libSystem.B.dylib                       0x00007fff8403b7b4 _dispatch_queue_invoke + 185
3   libSystem.B.dylib                       0x00007fff8403b2de _dispatch_worker_thread2 + 252
4   libSystem.B.dylib                       0x00007fff8403ac08 _pthread_wqthread + 353
5   libSystem.B.dylib                       0x00007fff8403aaa5 start_wqthread + 13
Thread 2:
0   libSystem.B.dylib                       0x00007fff84020d7a mach_msg_trap + 10
1   libSystem.B.dylib                       0x00007fff840213ed mach_msg + 59
2   com.apple.CoreFoundation                0x00007fff81da2932 __CFRunLoopRun + 1698
3   com.apple.CoreFoundation                0x00007fff81da1dbf CFRunLoopRunSpecific + 575
4   com.apple.CoreFoundation                0x00007fff81da1b46 CFRunLoopRun + 70
5   com.apple.CoreGraphics                  0x00007fff823051e2 eventThread + 470
6   libSystem.B.dylib                       0x00007fff84059fd6 _pthread_start + 331
7   libSystem.B.dylib                       0x00007fff84059e89 thread_start + 13
Thread 3:
0   libSystem.B.dylib                       0x00007fff84020d7a mach_msg_trap + 10
1   libSystem.B.dylib                       0x00007fff840213ed mach_msg + 59
2   com.apple.QuartzCore                    0x00007fff842b8396 CA::Render::Server::server_thread(void*) + 177
3   com.apple.QuartzCore                    0x00007fff842b82d6 thread_fun + 34
4   libSystem.B.dylib                       0x00007fff84059fd6 _pthread_start + 331
5   libSystem.B.dylib                       0x00007fff84059e89 thread_start + 13
Thread 4:
0   libSystem.B.dylib                       0x00007fff8405ba6a __semwait_signal + 10
1   libSystem.B.dylib                       0x00007fff8405f881 _pthread_cond_wait + 1286
2   com.apple.CoreGraphics                  0x00007fff823de33a layer_blit_work_queue_thread + 714
3   com.apple.CoreGraphics                  0x00007fff823de5ac layer_blit_work_queue_server + 156
4   libSystem.B.dylib                       0x00007fff84059fd6 _pthread_start + 331
5   libSystem.B.dylib                       0x00007fff84059e89 thread_start + 13
Thread 5:
0   libSystem.B.dylib                       0x00007fff8405ba6a __semwait_signal + 10
1   libSystem.B.dylib                       0x00007fff8405f881 _pthread_cond_wait + 1286
2   com.apple.CoreGraphics                  0x00007fff823de33a layer_blit_work_queue_thread + 714
3   com.apple.CoreGraphics                  0x00007fff823de5ac layer_blit_work_queue_server + 156
4   libSystem.B.dylib                       0x00007fff84059fd6 _pthread_start + 331
5   libSystem.B.dylib                       0x00007fff84059e89 thread_start + 13
Thread 6:
0   libSystem.B.dylib                       0x00007fff8405ba6a __semwait_signal + 10
1   libSystem.B.dylib                       0x00007fff8405f881 _pthread_cond_wait + 1286
2   com.apple.CoreGraphics                  0x00007fff823de33a layer_blit_work_queue_thread + 714
3   com.apple.CoreGraphics                  0x00007fff823de5ac layer_blit_work_queue_server + 156
4   libSystem.B.dylib                       0x00007fff84059fd6 _pthread_start + 331
5   libSystem.B.dylib                       0x00007fff84059e89 thread_start + 13
Thread 7:
0   libSystem.B.dylib                       0x00007fff8405ba6a __semwait_signal + 10
1   libSystem.B.dylib                       0x00007fff8405f881 _pthread_cond_wait + 1286
2   com.apple.CoreGraphics                  0x00007fff823de46f layer_blit_work_queue_thread + 1023
3   com.apple.CoreGraphics                  0x00007fff823de5ac layer_blit_work_queue_server + 156
4   libSystem.B.dylib                       0x00007fff84059fd6 _pthread_start + 331
5   libSystem.B.dylib                       0x00007fff84059e89 thread_start + 13
Thread 8:
0   libSystem.B.dylib                       0x00007fff8405ba6a __semwait_signal + 10
1   libSystem.B.dylib                       0x00007fff8405f881 _pthread_cond_wait + 1286
2   com.apple.CoreGraphics                  0x00007fff823de46f layer_blit_work_queue_thread + 1023
3   com.apple.CoreGraphics                  0x00007fff823de5ac layer_blit_work_queue_server + 156
4   libSystem.B.dylib                       0x00007fff84059fd6 _pthread_start + 331
5   libSystem.B.dylib                       0x00007fff84059e89 thread_start + 13
Thread 9:
0   libSystem.B.dylib                       0x00007fff8405ba6a __semwait_signal + 10
1   libSystem.B.dylib                       0x00007fff8405f881 _pthread_cond_wait + 1286
2   com.apple.CoreGraphics                  0x00007fff823de33a layer_blit_work_queue_thread + 714
3   com.apple.CoreGraphics                  0x00007fff823de5ac layer_blit_work_queue_server + 156
4   libSystem.B.dylib                       0x00007fff84059fd6 _pthread_start + 331
5   libSystem.B.dylib                       0x00007fff84059e89 thread_start + 13
Thread 10:
0   libSystem.B.dylib                       0x00007fff8405ba6a __semwait_signal + 10
1   libSystem.B.dylib                       0x00007fff8405f881 _pthread_cond_wait + 1286
2   com.apple.CoreGraphics                  0x00007fff823de46f layer_blit_work_queue_thread + 1023
3   com.apple.CoreGraphics                  0x00007fff823de5ac layer_blit_work_queue_server + 156
4   libSystem.B.dylib                       0x00007fff84059fd6 _pthread_start + 331
5   libSystem.B.dylib                       0x00007fff84059e89 thread_start + 13
Thread 0 crashed with X86 Thread State (64-bit):
rax: 0x0001e1f61d706808 rbx: 0x0001e1f623105cf0 rcx: 0x00000000000000ea rdx: 0x00000000000000ea
rdi: 0x0000000000000001 rsi: 0x00000001b000ac00 rbp: 0x00007fff5fbef080 rsp: 0x00007fff5fbef060
   r8: 0x000000000000002b   r9: 0x00007fff5fbee9e0 r10: 0x00000001b000adb4 r11: 0x000000015f0e7558
r12: 0x0000000102900d08 r13: 0x000000015f0e7558 r14: 0x0000000000000100 r15: 0x0000000000000001
rip: 0x00007fff82305a20 rfl: 0x0000000000010216 cr2: 0x00000001b000b350
Binary Images:
       0x100000000 -        0x100000fff WindowServer ??? (???) <60DE603C-D554-8227-304A-15F21D2400AF> /System/Library/Frameworks/ApplicationServices.framework/Frameworks/CoreGraphic s.framework/Resources/WindowServer
       0x1000f2000 -        0x1000f6fff com.apple.ATIRadeonX3000GA 1.6.36 (6.3.6) <8A6CC3C3-5B46-B1DB-42AD-A3B9E190A0C7> /System/Library/Extensions/ATIRadeonX3000GA.plugin/Contents/MacOS/ATIRadeonX300 0GA
       0x1007e1000 -        0x1007e3fff com.apple.driver.AppleIntelHDGraphicsGA 1.6.36 (6.3.6) <5E2496AE-3DD6-A486-E1D9-FA562258F481> /System/Library/Extensions/AppleIntelHDGraphicsGA.plugin/Contents/MacOS/AppleIn telHDGraphicsGA
       0x126200000 -        0x126393fe7 GLEngine ??? (???) <53A8A7E8-4846-D236-F3D9-DA3F2AF686D8> /System/Library/Frameworks/OpenGL.framework/Resources/GLEngine.bundle/GLEngine
       0x1263c4000 -        0x1267b6fff com.apple.ATIRadeonX3000GLDriver 1.6.36 (6.3.6) <282E53E2-ABB3-B97D-F298-6A8FE21F3A5A> /System/Library/Extensions/ATIRadeonX3000GLDriver.bundle/Contents/MacOS/ATIRade onX3000GLDriver
       0x1267fd000 -        0x12786efe7 com.apple.driver.AppleIntelHDGraphicsGLDriver 1.6.36 (6.3.6) <E69BB2E5-EA06-BA68-CB81-C1493787E8D8> /System/Library/Extensions/AppleIntelHDGraphicsGLDriver.bundle/Contents/MacOS/A ppleIntelHDGraphicsGLDriver
    0x7fff5fc00000 -     0x7fff5fc3bdef dyld 132.1 (???) <DB8B8AB0-0C97-B51C-BE8B-B79895735A33> /usr/lib/dyld
    0x7fff80321000 -     0x7fff80381fe7 com.apple.framework.IOKit 2.0 (???) <4F071EF0-8260-01E9-C641-830E582FA416> /System/Library/Frameworks/IOKit.framework/Versions/A/IOKit
    0x7fff806e6000 -     0x7fff806e6ff7 com.apple.CoreServices 44 (44) <616722B1-5E79-DCCF-BF5E-0DD5802CCBD9> /System/Library/Frameworks/CoreServices.framework/Versions/A/CoreServices
    0x7fff807dd000 -     0x7fff80fe7fe7 libBLAS.dylib 219.0.0 (compatibility 1.0.0) <2F26CDC7-DAE9-9ABE-6806-93BBBDA20DA0> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.fr amework/Versions/A/libBLAS.dylib
    0x7fff81033000 -     0x7fff810ecfff libsqlite3.dylib 9.6.0 (compatibility 9.0.0) <E8FFCEA1-3BE3-F0C9-07EA-C37678C4D2F5> /usr/lib/libsqlite3.dylib
    0x7fff810ff000 -     0x7fff81104fff libGFXShared.dylib ??? (???) <1D0D3531-9561-632C-D620-1A8652BEF5BC> /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGFXShared.d ylib
    0x7fff8110d000 -     0x7fff8110dff7 com.apple.Accelerate 1.6 (Accelerate 1.6) <15DF8B4A-96B2-CB4E-368D-DEC7DF6B62BB> /System/Library/Frameworks/Accelerate.framework/Versions/A/Accelerate
    0x7fff8110e000 -     0x7fff81122fff libGL.dylib ??? (???) <2ECE3B0F-39E1-3938-BF27-7205C6D0358B> /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGL.dylib
    0x7fff813af000 -     0x7fff813befff com.apple.NetFS 3.2.2 (3.2.2) <84419796-36C9-DDCF-5FD1-0C96499EB63E> /System/Library/Frameworks/NetFS.framework/Versions/A/NetFS
    0x7fff81407000 -     0x7fff81448fff com.apple.SystemConfiguration 1.10.8 (1.10.2) <78D48D27-A9C4-62CA-2803-D0BBED82855A> /System/Library/Frameworks/SystemConfiguration.framework/Versions/A/SystemConfi guration
    0x7fff81449000 -     0x7fff8177dfef com.apple.CoreServices.CarbonCore 861.39 (861.39) <1386A24D-DD15-5903-057E-4A224FAF580B> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/CarbonC ore.framework/Versions/A/CarbonCore
    0x7fff81812000 -     0x7fff81a9bff7 com.apple.security 6.1.2 (55002) <4419AFFC-DAE7-873E-6A7D-5C9A5A4497A6> /System/Library/Frameworks/Security.framework/Versions/A/Security
    0x7fff81a9c000 -     0x7fff81ae5fef libGLU.dylib ??? (???) <1C050088-4AB2-2BC2-62E6-C969F925A945> /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGLU.dylib
    0x7fff81cf5000 -     0x7fff81d48ff7 com.apple.HIServices 1.8.3 (???) <F6E0C7A7-C11D-0096-4DDA-2C77793AA6CD> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ HIServices.framework/Versions/A/HIServices
    0x7fff81d56000 -     0x7fff81ecdfe7 com.apple.CoreFoundation 6.6.5 (550.43) <31A1C118-AD96-0A11-8BDF-BD55B9940EDC> /System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation
    0x7fff81ed5000 -     0x7fff81f52fef libstdc++.6.dylib 7.9.0 (compatibility 7.0.0) <35ECA411-2C08-FD7D-11B1-1B7A04921A5C> /usr/lib/libstdc++.6.dylib
    0x7fff81f53000 -     0x7fff821d5fe7 com.apple.Foundation 6.6.7 (751.62) <6F2A5BBF-6990-D561-2928-AD61E94036D9> /System/Library/Frameworks/Foundation.framework/Versions/C/Foundation
    0x7fff821df000 -     0x7fff821dfff7 com.apple.ApplicationServices 38 (38) <0E2FC75E-2BE2-D04D-CA78-76E38A89DD30> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Application Services
    0x7fff82238000 -     0x7fff82934ff7 com.apple.CoreGraphics 1.545.0 (???) <58D597B1-EB3B-710E-0B8C-EC114D54E11B> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ CoreGraphics.framework/Versions/A/CoreGraphics
    0x7fff829b8000 -     0x7fff829cdff7 com.apple.LangAnalysis 1.6.6 (1.6.6) <59D9E83D-3131-91F4-E3E2-02047F55917F> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ LangAnalysis.framework/Versions/A/LangAnalysis
    0x7fff82ad4000 -     0x7fff82ad9fff libGIF.dylib ??? (???) <95443F88-7D4C-1DEE-A323-A70F7A1B4B0F> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ ImageIO.framework/Versions/A/Resources/libGIF.dylib
    0x7fff82d0a000 -     0x7fff82d10ff7 IOSurface ??? (???) <27E523B3-6BE6-7D7D-5002-2A0E7ED2DB3D> /System/Library/Frameworks/IOSurface.framework/Versions/A/IOSurface
    0x7fff82d74000 -     0x7fff82dbeff7 com.apple.Metadata 10.6.3 (507.15) <2EF19055-D7AE-4D77-E589-7B71B0BC1E59> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/Metadat a.framework/Versions/A/Metadata
    0x7fff831bd000 -     0x7fff8326dfff edu.mit.Kerberos 6.5.11 (6.5.11) <CDA011E3-18C9-1573-3A31-497404CD6675> /System/Library/Frameworks/Kerberos.framework/Versions/A/Kerberos
    0x7fff83868000 -     0x7fff838a2fff libcups.2.dylib 2.8.0 (compatibility 2.0.0) <7982734A-B66B-44AA-DEEC-364D2C10009B> /usr/lib/libcups.2.dylib
    0x7fff83b68000 -     0x7fff83bb0ff7 libvDSP.dylib 268.0.1 (compatibility 1.0.0) <98FC4457-F405-0262-00F7-56119CA107B6> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.fr amework/Versions/A/libvDSP.dylib
    0x7fff83bb1000 -     0x7fff83c6efff com.apple.CoreServices.OSServices 359 (359) <E8336204-1ACB-D433-D569-2CAA22A88F65> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/OSServi ces.framework/Versions/A/OSServices
    0x7fff83df4000 -     0x7fff83e79ff7 com.apple.print.framework.PrintCore 6.3 (312.7) <F00C561F-D38B-8785-5218-1A0C3BA61177> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ PrintCore.framework/Versions/A/PrintCore
    0x7fff83e7a000 -     0x7fff83f14fe7 com.apple.ApplicationServices.ATS 275.16 (???) <4B70A2FC-1902-5F27-5C3B-5C78C283C6EA> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ ATS.framework/Versions/A/ATS
    0x7fff84020000 -     0x7fff841e1fef libSystem.B.dylib 125.2.11 (compatibility 1.0.0) <9AB4F1D1-89DC-0E8A-DC8E-A4FE4D69DB69> /usr/lib/libSystem.B.dylib
    0x7fff84203000 -     0x7fff84220ff7 libPng.dylib ??? (???) <4815A8F2-24A0-E783-8A5A-7B4959F562D7> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ ImageIO.framework/Versions/A/Resources/libPng.dylib
    0x7fff84265000 -     0x7fff84602fe7 com.apple.QuartzCore 1.6.3 (227.37) <16DFF6CD-EA58-CE62-A1D7-5F6CE3D066DD> /System/Library/Frameworks/QuartzCore.framework/Versions/A/QuartzCore
    0x7fff84603000 -     0x7fff84624fff libresolv.9.dylib 41.0.0 (compatibility 1.0.0) <9B7AEE96-D18E-5ECF-9837-BD5CFD397831> /usr/lib/libresolv.9.dylib
    0x7fff846ae000 -     0x7fff846b1ff7 libCoreVMClient.dylib ??? (???) <E03D7C81-A3DA-D44A-A88A-DDBB98AF910B> /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libCoreVMClien t.dylib
    0x7fff84736000 -     0x7fff84855fe7 libcrypto.0.9.8.dylib 0.9.8 (compatibility 0.9.8) <14115D29-432B-CF02-6B24-A60CC533A09E> /usr/lib/libcrypto.0.9.8.dylib
    0x7fff84b17000 -     0x7fff84b66fef libTIFF.dylib ??? (???) <5DE9F066-9B64-CBE4-976A-CC7B8DD3C31A> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ ImageIO.framework/Versions/A/Resources/libTIFF.dylib
    0x7fff859b8000 -     0x7fff85a04fff libauto.dylib ??? (???) <328CCF97-091D-C529-E576-C78583445711> /usr/lib/libauto.dylib
    0x7fff85a05000 -     0x7fff85a16ff7 libz.1.dylib 1.2.3 (compatibility 1.0.0) <5BAFAE5C-2307-C27B-464D-582A10A6990B> /usr/lib/libz.1.dylib
    0x7fff85d69000 -     0x7fff85da4fff com.apple.AE 496.5 (496.5) <208DF391-4DE6-81ED-C697-14A2930D1BC6> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/AE.fram ework/Versions/A/AE
    0x7fff866d0000 -     0x7fff866dffef com.apple.opengl 1.6.13 (1.6.13) <516098B3-4517-8A55-64BB-195CDAA5334D> /System/Library/Frameworks/OpenGL.framework/Versions/A/OpenGL
    0x7fff866e0000 -     0x7fff86708fff com.apple.DictionaryServices 1.1.2 (1.1.2) <6B8C5FB6-FE6F-3345-0441-BED51E815379> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/Diction aryServices.framework/Versions/A/DictionaryServices
    0x7fff867e7000 -     0x7fff867edff7 com.apple.DiskArbitration 2.3.1 (2.3.1) <FD5CF2E6-E5FF-1E2A-37E0-304722DA15E1> /System/Library/Frameworks/DiskArbitration.framework/Versions/A/DiskArbitration
    0x7fff87aad000 -     0x7fff87b17fe7 libvMisc.dylib 268.0.1 (compatibility 1.0.0) <7BD7F19B-ACD4-186C-B42D-4DEBA6795628> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.fr amework/Versions/A/libvMisc.dylib
    0x7fff87b18000 -     0x7fff87bb8fff com.apple.LaunchServices 362.3 (362.3) <B90B7C31-FEF8-3C26-BFB3-D8A48BD2C0DA> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/LaunchS ervices.framework/Versions/A/LaunchServices
    0x7fff87d04000 -     0x7fff87dc5fff libFontParser.dylib ??? (???) <A00BB0A7-E46C-1D07-1391-194745566C7E> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ ATS.framework/Versions/A/Resources/libFontParser.dylib
    0x7fff87dde000 -     0x7fff87decff7 libkxld.dylib ??? (???) <8145A534-95CC-9F3C-B78B-AC9898F38C6F> /usr/lib/system/libkxld.dylib
    0x7fff87ded000 -     0x7fff87fabff7 com.apple.ImageIO.framework 3.0.4 (3.0.4) <6212CA66-7B18-2AED-6AA8-45185F5D9A03> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ ImageIO.framework/Versions/A/ImageIO
    0x7fff87fac000 -     0x7fff87facff7 com.apple.Accelerate.vecLib 3.6 (vecLib 3.6) <4CCE5D69-F1B3-8FD3-1483-E0271DB2CCF3> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.fr amework/Versions/A/vecLib
    0x7fff87fad000 -     0x7fff88081fe7 com.apple.CFNetwork 454.12.4 (454.12.4) <C83E2BA1-1818-B3E8-5334-860AD21D1C80> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/CFNetwo rk.framework/Versions/A/CFNetwork
    0x7fff880a6000 -     0x7fff880d7fff libGLImage.dylib ??? (???) <7F102A07-E4FB-9F52-B2F6-4E2D2383CA13> /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGLImage.dyl ib
    0x7fff880d8000 -     0x7fff88168fff com.apple.SearchKit 1.3.0 (1.3.0) <45BA1053-9196-3C2F-2421-AFF5E09627CC> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/SearchK it.framework/Versions/A/SearchKit
    0x7fff88169000 -     0x7fff88194ff7 libxslt.1.dylib 3.24.0 (compatibility 3.0.0) <8AB4CA9E-435A-33DA-7041-904BA7FA11D5> /usr/lib/libxslt.1.dylib
    0x7fff88195000 -     0x7fff881a2fe7 libCSync.A.dylib 545.0.0 (compatibility 64.0.0) <1C35FA50-9C70-48DC-9E8D-2054F7A266B1> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ CoreGraphics.framework/Versions/A/Resources/libCSync.A.dylib
    0x7fff881dd000 -     0x7fff88200fff com.apple.opencl 12.3.6 (12.3.6) <534AD81C-32AB-4C9A-5E0E-D6C6E77FA946> /System/Library/Frameworks/OpenCL.framework/Versions/A/OpenCL
    0x7fff882c6000 -     0x7fff882edff7 libJPEG.dylib ??? (???) <B9AA5816-8CCB-AFCB-61FD-3820C6E8219D> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ ImageIO.framework/Versions/A/Resources/libJPEG.dylib
    0x7fff8836b000 -     0x7fff88485fef libGLProgrammability.dylib ??? (???) <8A4B86E3-0FA7-8684-2EF2-C5F8079428DB> /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGLProgramma bility.dylib
    0x7fff8860a000 -     0x7fff88610fff libCGXCoreImage.A.dylib 545.0.0 (compatibility 64.0.0) <D2F8C7E3-CBA1-2E66-1376-04AA839DABBB> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ CoreGraphics.framework/Versions/A/Resources/libCGXCoreImage.A.dylib
    0x7fff88611000 -     0x7fff88612ff7 com.apple.TrustEvaluationAgent 1.1 (1) <A91CE5B9-3C63-5F8C-5052-95CCAB866F72> /System/Library/PrivateFrameworks/TrustEvaluationAgent.framework/Versions/A/Tru stEvaluationAgent
    0x7fff88614000 -     0x7fff88618ff7 libmathCommon.A.dylib 315.0.0 (compatibility 1.0.0) <95718673-FEEE-B6ED-B127-BCDBDB60D4E5> /usr/lib/system/libmathCommon.A.dylib
    0x7fff8864e000 -     0x7fff8870ffef com.apple.ColorSync 4.6.6 (4.6.6) <BB2C5813-C61D-3CBA-A8F7-0E59E46EBEE8> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ ColorSync.framework/Versions/A/ColorSync
    0x7fff88710000 -     0x7fff88b53fef libLAPACK.dylib 219.0.0 (compatibility 1.0.0) <57D38705-6F21-2A82-F3F6-03CFFF214775> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.fr amework/Versions/A/libLAPACK.dylib
    0x7fff88b54000 -     0x7fff88c31ff7 com.apple.vImage 4.1 (4.1) <A0DE28F5-7B45-D268-0497-C79A826C8E53> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vImage.fr amework/Versions/A/vImage
    0x7fff88c84000 -     0x7fff88d02ff7 com.apple.CoreText 151.10 (???) <54961997-55D8-DC0F-2634-674E452D5A8E> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ CoreText.framework/Versions/A/CoreText
    0x7fff88d03000 -     0x7fff88d19fef libbsm.0.dylib ??? (???) <0321D32C-9FE1-3919-E03E-2530A0C1191B> /usr/lib/libbsm.0.dylib
    0x7fff88d4e000 -     0x7fff88e65fef libxml2.2.dylib 10.3.0 (compatibility 10.0.0) <EF023D83-F9E9-834E-64C1-B2E26151F63B> /usr/lib/libxml2.2.dylib
    0x7fff88edb000 -     0x7fff88eddfff libRadiance.dylib ??? (???) <76C1B129-6F25-E43C-1498-B1B88B37163B> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ ImageIO.framework/Versions/A/Resources/libRadiance.dylib
    0x7fff88efa000 -     0x7fff88fb0ff7 libobjc.A.dylib 227.0.0 (compatibility 1.0.0) <03140531-3B2D-1EBA-DA7F-E12CC8F63969> /usr/lib/libobjc.A.dylib
    0x7fff891ca000 -     0x7fff891deff7 com.apple.speech.synthesis.framework 3.10.35 (3.10.35) <574C1BE0-5E5E-CCAF-06F8-92A69CB2892D> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ SpeechSynthesis.framework/Versions/A/SpeechSynthesis
    0x7fff891df000 -     0x7fff89220fef com.apple.QD 3.36 (???) <04F03722-91CA-6858-55A4-54D7F29789A6> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ QD.framework/Versions/A/QD
    0x7fff89221000 -     0x7fff89246ff7 com.apple.CoreVideo 1.6.2 (45.6) <31802A1C-81BC-33F8-D5C8-39A793D4D926> /System/Library/Frameworks/CoreVideo.framework/Versions/A/CoreVideo
    0x7fff896ca000 -     0x7fff89888fff libicucore.A.dylib 40.0.0 (compatibility 1.0.0) <4274FC73-A257-3A56-4293-5968F3428854> /usr/lib/libicucore.A.dylib
    0x7fffffe00000 -     0x7fffffe01fff libSystem.B.dylib ??? (???) <9AB4F1D1-89DC-0E8A-DC8E-A4FE4D69DB69> /usr/lib/libSystem.B.dylib

New Intel iMac crashes after a screen flash

My new Intel iMac keeps crashing. When I'm using Photoshop CS3 the screen flashes and then the machine crashes. Did a search but couldn't find anyone else reporting the same problem. I updated the recent firmware update from Apple.

Hello m:
You indicate your system is new. Your best course of action would be to contact Applecare (or take it to an Apple store) for diagnosis and/or repair (under warranty).
Barry

IMac crashes into white screen

iMac (Early 2008), OSX 10.8.2 randomly crashes, displaying only a white screen. Is there any indication what this could be or how to approach the problem? Also, where can we find the Apple Hardware Test (AHT) for the iMac?

The next time you have the problem, note the exact time: hour, minute, second.
If you have more than one user account, these instructions must be carried out as an administrator.
Launch the Console application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ Open LaunchPad. Click Utilities, then Console in the icon grid.
Make sure the title of the Console window is All Messages. If it isn't, select All Messages from the SYSTEM LOG QUERIES menu on the left.
Scroll back in the log to the time you noted above. Select any messages timestamped from then until the end of the episode. Copy them (command-C) to the Clipboard. Paste (command-V) into a reply to this message.
When posting a log extract, be selective. In most cases, a few dozen lines are more than enough.
Please do not indiscriminately dump thousands of lines from the log into this discussion.
Important: Some private information, such as your name, may appear in the log. Anonymize before posting.

IMac hangs before login screen - sometimes powers down

Hi,
On Thursday night my iMac hung when I woke it up and tried to use it. I couldn't remember the last reboot, so tried that first.
When it came back up, it showed me the blue screen but the login window never appeared.
I tried booting in safe mode with the same result, and on the second attempt it simply cut the power and switched off.
Suspecting the hard drive, I booted into single user mode to run fsck, but this failed.
On advice from the apple phone support people, I tried to "Archive & Install" from DVD, but when I start the install disk it tells me that OSX can't be installed on the target volume.
Finally, in the installer, I tried running Disk Utility, and all of the options fail, including, Verify, Repair and Permissions.
Is my Hard Drive dead? Is there anything else that I can try?
Many Thanks,
Taff
Message was edited by: taff22

Hi, thanks but this is not a fresh install... I've tried the other startup option and still no joy.
Next; I tried to run the iMac in target disk mode and connect it to my Mac Mini, but althought the disk showed in disk utility, it did not show on the desktop and the chap on the phone advised that this meant that it was inaccessible.
What I do have is an external USB drive with a full time machine history, so I am currently trying to restore from this after booting from the Leopard DVD... As described here:
http://duncandavidson.com/2008/01/restoring-from-time-machine.html
It's been showing me the "restoring from backup" message for a few hours now - fingers crossed it is working away and not hanging?!

Imac crashes black screen

Imac Crashes leaving black screen, need to turn off and on again to remedy.... quite sporadic in any programme - can anyone help?

The fans may not be the cause of the problem but it's definitely related. Now I'm running the hardware monitor every time I play D3 and it always warns me that the CPU fans is spinning up shortly before the crash, which may then occur within seconds or at most 2-3 minutes when I stay in fullscreen. I can't remember experiencing a crash after I went back to windowed mode after the alarm, but I also haven't pushed it much. Also, the temperatures reported really don't look awful at all, nothing exceeds 80°C, there's no sudden surge.
Interestingly, the computer actually keeps running after the screen goes black (but D3 is definitely out), and only when I press cmd-alt-esc does the whole system go completely down (looping sound).
I've checked the logs and couldn't find anything really significant, then again I may not know what to look for. The only suspicious entries at more or less exactly the time of the crash (although I can't tell whether it's when D3 crashes, or the whole computer) are the following in kernel.log:
12-07-14 2:57:48.000 PM kernel: ** Device in slot: SLOT--1 **
12-07-14 2:57:48.000 PM kernel: ** GPU Debug Info Start **
12-07-14 2:57:48.000 PM kernel: 0x00006740
This is followed by 544 lines similar to the last one with various hex addresses over five seconds, although after line 436 only 0x00000000's are reported. The line just after that is at the time when I restart the computer and says
Jul 14 15:00:36 localhost kernel[0]: PMAP: PCID enabled
system.log doesn't report anything in this time frame, there's no crash report for D3 in CrashReporter... Is there anything else I could check?

I updated my iMac to lion and now when i leave my desktop and it goes into stand by it like a picture is taken of the screen and when i want to log in the mouse point removes pixels so i can get to the user login screen this never happened ith snow leopar

i upgraded my iMac to lion and now when i leave my desktop and it goes into stand by mode, its like a picture is taken of the actice desktop and when i want to log in the mouse point removes pixels so i can get to the user login screen this never happened ith snow leopard. does anyone else experience this and is there a fix?

I have an iMac 8, 1 that I upgraded Leopard to Snow Leopard. It was totally updated with the latest from Apple when I bought and tried installing Lion. The upgrade failed, shot my OS and I couldn't boot. Had the constant spinner on a grey screen.. did a format of the drive, hdd repair and everything came back clean... got back to Snow Leopard and all the updates on it again and then retried the Lion thing... same bs... dead duck. Crashed my system one too many times. I can't see where a few small changes, mostly app related can be classified as an OS upgrade and is not compatible with my iMac. I have the stuff running on my Mac Pro but have yet to notice anything impressive. I've always used F3 and really didn't require Mission Control. Just open you app folder for launch pad... duh? I use the hot corners anyhow. As far as Safari is concerned... as a power user, Apple missed the boat on that for me.. full screen etc.. Wow. I don't like the new Mail either..
As you can see/read, I'm less than impressed with this release from Apple but I own so many of their products that I will have to put up with it for now... somehow the MS logo should apply to this release Steve.

Imac 2008 Snow Leopard installed, Wont go past the login screen

Hello Everyone,
I am new to this so please bear with me.
I had been using my Imac lately just to run the sims 3 with extension packs which I played for about 10 minutes.
Today we had our internet connected as we have moved to a new house.
The Internet service provider has said the connection should be up and running today.
I went onto safari and checked two or three emails after that my mouse and keyboard could not do anything.
No force quit, No command based force quit, no relaunching of the finder, no being able to restart or shut it down at all.
I remember an echo back up mac thingy jumping up and down too in the dock if that helps
So I turned it off using the back button and left it off for 5 minutes. The mouse and Keyboard are wireless and run fine at the moment, no flat battery.
First attempt
The screen turned on right up until the galaxy looking screen before te login box, the login box did not appear. There was no other way to turn it off other than from the back again.
Second attempt
I had left it off for another 5 minutes and turned it back on again, The login screen has appeared, I can type in the password,
but this time when I pushed enter, the rainbow wheel appears and has stayed on there for the past half an hour.
Third attempt
I will switch off the modem, leave the computer off for another 5 minutes and then try anf log back in. Since I will be disconnected to the internet I will update you with the progress and whether this has worked or not.
This begun to happen as soon as I entered the password for the internet connection. This macbook (late 2008 not pro) detected the connection from the imac (another computer is trying to access your internet connection-sort of thing) and I pressed ok on the macbook. The model of the modem router is D-Link Wireless N300 ADSL2 Modem router if that helps.
The mac desktop has had an install of snow leopard (so I can not do a restall/reinstall thingy of the current operating system) and all I can find at the moment is the original disks from the box. The mac was originally on 10.5.8.
Please help me to fnd a way in which I can get back into my computer this would be much appreciated.
I am not familliar with any technical terms so please keep it simple as I am a noob :3

Third attempt
I will switch off the modem, leave the computer off for another 5 minutes and then try anf log back in. Since I will be disconnected to the internet I will update you with the progress and whether this has worked or not.
Update:
This time I switched the computer off from the back as there seemed to be no progress made from the rainbow spinning wheel.
I left it for 5 minutes (the computer) switched off the jack and pulled the plug out.
I turned off the modem for 5 minutes.
I turned on the computer without turning on the modem and was able to log in.
I managed to get into the computer and am currently trying out safari to see if the same problem occurs.
5 minutes into hotmail, trade sites and you tube it seems to be going OK.
I guess the computer paicked abit from the new connection perhaps.

IMAC crashing in login screen

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