HT1750 My iMac slowed down, then word and PowerPoint wouldn't work, then I tried to switch users and shut it down with the button on the left back and now the whole screen is white and it is frozen and dead. Please help!

iMac slowed down, PowerPoint and word wouldn't work, I tried to switch users then shut it down and now it is frozen with a white screen. Help please!

From the way you are describing it, it sounds like the HD has failed. Please look over Gray screen appears during startup for troubleshooting steps. You can also run Apple Hardware Test in Extended Mode, it may take 2-3 passes for any error codes to appear and each pass takes approximately 30-60 minutes. However either way you should plan on taking it into an Apple Store or AASP for service.

Similar Messages

  • 'You shut down the computer because of a problem'. Mbp constant black screen crashing, can only hard reboot each time. Please help, latest report here...

    Hi for the last few months my mbp seems to randomly crashing to black screen at seemingly unrelated times. Most frequent are after periods of sleep and sometimes when web pages such as youtube load. This crashing is getting more and more frequent and when it occurs only a hard reset with the power button has any effect. The screen goes completely black, no backlight, no keys work, the fans keep going and if there was a song/video playing it starts looping the last note/second of noise over and over until the laptop is reset. My worry is that if i take it to the apple store, it will decide not to crash on that day which would drive me insane as its been happening all the time.
    I've sent lots of 'reports' off to apple and saved numerous panic reports, here is the latest one:
    Interval Since Last Panic Report:  109511 sec
    Panics Since Last Report:          4
    Anonymous UUID:                    83E37560-8776-403F-9196-2DE4E7ED912C
    Thu Jan  8 00:30:35 2015
    panic(cpu 1 caller 0x9d4c9b): NVRM[0/1:0:0]: Read Error 0x00000100: CFG 0xffffffff 0xffffffff 0xffffffff, BAR0 0xc0000000 0x7f369000 0x0a5480a2, D0, P2/4
    Backtrace (CPU 1), Frame : Return Address (4 potential args on stack)
    0x4e6ea188 : 0x21b837 (0x5dd7fc 0x4e6ea1bc 0x223ce1 0x0)
    0x4e6ea1d8 : 0x9d4c9b (0xbea28c 0xc5a800 0xbf8e60 0x0)
    0x4e6ea278 : 0xaef608 (0x97f7404 0x9b5d004 0x100 0xcb42b6)
    0x4e6ea2c8 : 0xae6601 (0x9b5d004 0x100 0x4e6ea2f8 0x9c4778)
    0x4e6ea2f8 : 0x16c89a6 (0x9b5d004 0x100 0x438004ee 0x4e6ea308)
    0x4e6ea438 : 0xb0e2b5 (0x9b5d004 0xaa45004 0x0 0x0)
    0x4e6ea478 : 0x9dde7c (0x9b5d004 0xaa45004 0x0 0x0)
    0x4e6ea518 : 0x9da55b (0x0 0x9 0x0 0x0)
    0x4e6ea6c8 : 0x9dc58f (0x0 0x600d600d 0x702b 0x4e6ea6f8)
    0x4e6ea798 : 0xc9feae (0xc1d0004a 0xbfef0033 0xbfef0034 0x857c)
    0x4e6ea808 : 0xcaf734 (0xaeae400 0x983ea80 0x8 0x3)
    0x4e6ea828 : 0xcd4322 (0x983ea80 0xb 0x4e6ea848 0x2345f4)
    0x4e6ea858 : 0xcd4b3d (0xabcf000 0x0 0x4e6ea87c 0x0)
    0x4e6ea888 : 0xcb4d79 (0xabcf000 0x7d729080 0x0 0x0)
    0x4e6ea8d8 : 0xc76d0c (0x462af000 0x0 0x0 0x3)
    0x4e6ea948 : 0xc7640f (0x462af000 0x0 0x2 0x3)
    0x4e6ea978 : 0xc6c05f (0x462af000 0x0 0x2 0x4653a000)
    0x4e6eaab8 : 0xca55d8 (0x4653a000 0x1 0x4e6eabcc 0x4e6eabc8)
    0x4e6eab68 : 0xc67fe1 (0x4653a000 0x1 0x4e6eabcc 0x4e6eabc8)
    0x4e6eabe8 : 0x56da06 (0x4653a000 0x0 0x4e6eae3c 0x4e6eac74)
    0x4e6eac38 : 0x56e2a5 (0xcf6720 0x4653a000 0xa725088 0x1)
    0x4e6eac88 : 0x56eb59 (0x4653a000 0x10 0x4e6eacd0 0x0)
    0x4e6eada8 : 0x286638 (0x4653a000 0x10 0xa725088 0x1)
    0x4e6ebe58 : 0x21dbe5 (0xa725060 0xbc195a0 0x1fd7e8 0x5d43)
    0x4e6ebe98 : 0x210a86 (0xa725000 0x0 0xa9ec6c0 0xac6fce0)
    0x4e6ebef8 : 0x216f84 (0xa725000 0x0 0x0 0x0)
    0x4e6ebf78 : 0x295c57 (0x97d72e8 0x0 0x0 0x0)
    0x4e6ebfc8 : 0x2a256d (0x97d72e4 0x1 0x10 0x97d44c4)
          Kernel Extensions in backtrace (with dependencies):
             com.apple.GeForce(6.4.0)@0xc5c000->0xd12fff
                dependency: com.apple.NVDAResman(6.4.0)@0x96e000
                dependency: com.apple.iokit.IONDRVSupport(2.2.1)@0x961000
                dependency: com.apple.iokit.IOPCIFamily(2.6.5)@0x928000
                dependency: com.apple.iokit.IOGraphicsFamily(2.2.1)@0x93f000
             com.apple.nvidia.nv50hal(6.4.0)@0x1592000->0x19a6fff
                dependency: com.apple.NVDAResman(6.4.0)@0x96e000
             com.apple.NVDAResman(6.4.0)@0x96e000->0xc5bfff
                dependency: com.apple.iokit.IOPCIFamily(2.6.5)@0x928000
                dependency: com.apple.iokit.IONDRVSupport(2.2.1)@0x961000
                dependency: com.apple.iokit.IOGraphicsFamily(2.2.1)@0x93f000
    BSD process name corresponding to current thread: WindowServer
    Mac OS
    Model: MacBookPro6,2, BootROM MBP61.0057.B0C, 2 processors, Intel Core i7, 2.66 GHz, 4 GB, SMC 1.58f17
    Graphics: NVIDIA GeForce GT 330M, NVIDIA GeForce GT 330M, PCIe, 512 MB
    Graphics: Intel HD Graphics, Intel HD Graphics, Built-In, 288 MB
    Memory Module: global_name
    AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x93), Broadcom BCM43xx 1.0 (5.10.131.42.4)
    Bluetooth: Version 2.4.5f3, 2 service, 12 devices, 1 incoming serial ports
    Network Service: AirPort, AirPort, en1
    Serial ATA Device: TOSHIBA MK5055GSXF, 465.76 GB
    Serial ATA Device: MATSHITADVD-R   UJ-898
    USB Device: Hub, 0x0424  (SMSC), 0x2514, 0xfa100000 / 2
    USB Device: BRCM2070 Hub, 0x0a5c  (Broadcom Corp.), 0x4500, 0xfa110000 / 5
    USB Device: Bluetooth USB Host Controller, 0x05ac  (Apple Inc.), 0x8218, 0xfa113000 / 8
    USB Device: Apple Internal Keyboard / Trackpad, 0x05ac  (Apple Inc.), 0x0237, 0xfa120000 / 4
    USB Device: Internal Memory Card Reader, 0x05ac  (Apple Inc.), 0x8403, 0xfa130000 / 3
    USB Device: Hub, 0x0424  (SMSC), 0x2514, 0xfd100000 / 2
    USB Device: IR Receiver, 0x05ac  (Apple Inc.), 0x8242, 0xfd120000 / 4
    USB Device: Built-in iSight, 0x05ac  (Apple Inc.), 0x8507, 0xfd110000 / 3
    ------------end----------
    Any information on why this is happening would be so so so appreciated as losing all your work in a blink of an eye is unbelievably rage inducing.
    Thank you!

    You have the MacBookPro6,2—the Edsel of Macs. It may have the logic-board defect that was covered by a recall program that has now ended.
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    Often the problems start after an OS upgrade. If the upgrade was recent, and you have backups, then you can revert to a previous OS X version.

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    Message was edited by: wheelo007

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