IMac mid 2007, 2.4 Ghz, 800 MHz... Grey screen only, running OS 10.5.8.  Tried reinstalling, restoring, and resetting but to no avail.  Possible to install OS 10.6 and get it to boot?

Try to boot and only getGrey screen, sometimes with the globe f
Asking, sometimes not. 
I am running OS 10.5.8.  Tried reinstalling, restoring, and resetting both with installation disc and without, but to no avail. 
I recently upgraded from 1GB memory to 4 GB.  It ran great for a couple of weeks, when I eventually powered it off, it would not come back.  With installation disc, I did get to the utilities and tried repair and even reinstall original OS (several updates down from 10.5.8).  At one point, I was able to restore a previous session, but it only lasted for about 3 days until I powered it off again, then back to square 1.  I have verified the Macintosh HD disc and repaired it, I have reset everything I can find that might need resetting... Still nothing.
SO, is it toast, or is it possible to install OS 10.6 and get it to boot?

Erase the drive then install OS X:
Drive Partition and Format
1. Boot from your OS X Installer Disc. After the installer loads select your language and click on the Continue button.  When the menu bar appears select Disk Utility from the Utilities menu.
If you are preparing an external or a non-startup drive, then open Disk Utility in your Utilities folder.
2. After DU loads select your hard drive (this is the entry with the mfgr.'s ID and size) from the left side list. Note the SMART status of the drive in DU's status area.  If it does not say "Verified" then the drive is failing or has failed and will need replacing.  SMART info will not be reported  on external drives. Otherwise, click on the Partition tab in the DU main window.
3. Under the Volume Scheme heading set the number of partitions from the drop down menu to one. Click on the Options button, set the partition scheme to GUID then click on the OK button. Set the format type to Mac OS Extended (Journaled.) Click on the Apply button and wait until the process has completed.
4. Select the volume you just created (this is the sub-entry under the drive entry) from the left side list. Click on the Erase tab in the DU main window.
5. Set the format type to Mac OS Extended (Journaled.) Click on the Security button, check the button for Zero Data and click on OK to return to the Erase window.
6. Click on the Erase button. The format process can take up to several hours depending upon the drive size.
If this doesn't work then the drive is probably bad or some of the new RAM you installed is marginally defective.

Similar Messages

  • Have installed 10.10 on my iMac (mid 2007) 2.4 GHz 2Gb memory which has slowed to a crawl

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  • My ipad will not come on.  i tried to restore and get error message 1603, dont know how to take out itsw

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    http://support.apple.com/kb/TS1275
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    http://support.apple.com/kb/ht4097
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  • I am away from home on holiday and all my contacts have disappeared from my iPad2. I have done  hard reset, but to no avail. Is there any other way to get them back other than syncing with my home pc?

    I am away from home on holiday and all my contacts on my iPad have disappeared. I have tried a hard reset but they have gone. Is there anything else that can be done other than waiting until I get home to my main pc?

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  • I have an IMAC mid 2007. iPhoto 9.4.2 crashes. I am running 10.7.5. It says "iphoto quit unexpectedly" I click reopen. It doesn't work. I tried clicking reopen again and still doesn't work. It then says to restore windows. I try that and it doesn't work.

    Process:         iPhoto [880]
    Path:            /Applications/iPhoto.app/Contents/MacOS/iPhoto
    Identifier:      com.apple.iPhoto
    Version:         9.4.2 (9.4.2)
    Build Info:      iPhotoProject-710042000000000~1
    Code Type:       X86 (Native)
    Parent Process:  launchd [240]
    Date/Time:       2013-02-17 15:14:14.827 -0800
    OS Version:      Mac OS X 10.7.5 (11G63)
    Report Version:  9
    Interval Since Last Report:          3021491 sec
    Crashes Since Last Report:           76
    Per-App Interval Since Last Report:  15152 sec
    Per-App Crashes Since Last Report:   55
    Anonymous UUID:                      4448B570-F9BE-48F0-BF96-DBBA5B82E442
    Crashed Thread:  0  Dispatch queue: com.apple.main-thread
    Exception Type:  EXC_BAD_ACCESS (SIGSEGV)
    Exception Codes: KERN_INVALID_ADDRESS at 0x00000000f0000020
    VM Regions Near 0xf0000020:
        CG shared images       00000000c2b3e000-00000000c2b46000 [   32K] rw-/rw- SM=SHM 
    -->
        Submap                 00000000ffff0000-00000000ffff2000          r-x/r-x process-only submap
    Application Specific Information:
    objc_msgSend() selector name: isHeaderFlaggedFPO
    objc[880]: garbage collection is OFF
    Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
    0   libobjc.A.dylib                         0x9307bd47 objc_msgSend + 23
    1   com.apple.prokit                        0x0212c718 -[ProStructuredThemeStore renditionWithKey:] + 1447
    2   com.apple.prokit                        0x021d83c3 -[NSProThemeFacet _approximateRenditionForRenditionKey:] + 1557
    3   com.apple.prokit                        0x021d49a9 -[NSProThemeFacet renditionMetricsWithKeyAdjustment:] + 149
    4   com.apple.iLifeKit                      0x02002076 -[IPKToolbarView _toolbarHeight] + 104
    5   com.apple.iLifeKit                      0x020020f5 -[IPKToolbarView sizeToFitHeight] + 89
    6   com.apple.iLifeKit                      0x01fde360 -[IPKToolbarView setBackgroundStyle:] + 1752
    7   com.apple.iPhoto                        0x000ca373 0xb2000 + 99187
    8   com.apple.iPhoto                        0x000ca11a 0xb2000 + 98586
    9   com.apple.iPhoto                        0x000c964b 0xb2000 + 95819
    10  com.apple.AppKit                        0x987f4cba -[NSCustomObject nibInstantiate] + 385
    11  com.apple.AppKit                        0x987f4ac9 -[NSIBObjectData instantiateObject:] + 271
    12  com.apple.AppKit                        0x987f3c99 -[NSIBObjectData nibInstantiateWithOwner:topLevelObjects:] + 349
    13  com.apple.AppKit                        0x987e9dde loadNib + 380
    14  com.apple.AppKit                        0x987e9423 +[NSBundle(NSNibLoading) _loadNibFile:nameTable:withZone:ownerBundle:] + 841
    15  com.apple.AppKit                        0x987e90cf +[NSBundle(NSNibLoading) loadNibFile:externalNameTable:withZone:] + 154
    16  com.apple.AppKit                        0x989e1f34 -[NSWindowController loadWindow] + 240
    17  com.apple.AppKit                        0x989e1cd2 -[NSWindowController window] + 81
    18  com.apple.AppKit                        0x989e1b2f -[NSWindowController showWindow:] + 36
    19  com.apple.iPhoto                        0x000c7b07 0xb2000 + 88839
    20  com.apple.AppKit                        0x989e1ae8 -[NSDocument showWindows] + 116
    21  com.apple.iPhoto                        0x000c7aac 0xb2000 + 88748
    22  com.apple.AppKit                        0x98bd7d80 -[NSDocumentController(NSDeprecated) openUntitledDocumentOfType:display:] + 135
    23  com.apple.iPhoto                        0x002c6c22 0xb2000 + 2182178
    24  com.apple.iPhoto                        0x002924d2 0xb2000 + 1967314
    25  com.apple.Foundation                    0x9a527792 __NSFireDelayedPerform + 615
    26  com.apple.CoreFoundation                0x95a212a6 __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__ + 22
    27  com.apple.CoreFoundation                0x95a20c37 __CFRunLoopDoTimer + 743
    28  com.apple.CoreFoundation                0x959ffcd0 __CFRunLoopRun + 1888
    29  com.apple.CoreFoundation                0x959ff1dc CFRunLoopRunSpecific + 332
    30  com.apple.CoreFoundation                0x959ff088 CFRunLoopRunInMode + 120
    31  com.apple.HIToolbox                     0x95fa1543 RunCurrentEventLoopInMode + 318
    32  com.apple.HIToolbox                     0x95fa88ab ReceiveNextEventCommon + 381
    33  com.apple.HIToolbox                     0x95fa871a BlockUntilNextEventMatchingListInMode + 88
    34  com.apple.AppKit                        0x987e0ee8 _DPSNextEvent + 678
    35  com.apple.AppKit                        0x987e0752 -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 113
    36  com.apple.AppKit                        0x987dcac1 -[NSApplication run] + 911
    37  com.apple.AppKit                        0x98a6dac5 NSApplicationMain + 1054
    38  com.apple.iPhoto                        0x000c1c99 0xb2000 + 64665
    39  com.apple.iPhoto                        0x000c12e5 0xb2000 + 62181
    Thread 1:: Dispatch queue: com.apple.libdispatch-manager
    0   libsystem_kernel.dylib                  0x91cbd90a kevent + 10
    1   libdispatch.dylib                       0x96c7ce04 _dispatch_mgr_invoke + 969
    2   libdispatch.dylib                       0x96c7b853 _dispatch_mgr_thread + 53
    Thread 2:
    0   libsystem_kernel.dylib                  0x91cbd02e __workq_kernreturn + 10
    1   libsystem_c.dylib                       0x97e39ccf _pthread_wqthread + 773
    2   libsystem_c.dylib                       0x97e3b6fe start_wqthread + 30
    Thread 3:
    0   libsystem_kernel.dylib                  0x91cbd02e __workq_kernreturn + 10
    1   libsystem_c.dylib                       0x97e39ccf _pthread_wqthread + 773
    2   libsystem_c.dylib                       0x97e3b6fe start_wqthread + 30
    Thread 4:
    0   libsystem_kernel.dylib                  0x91cbd02e __workq_kernreturn + 10
    1   libsystem_c.dylib                       0x97e39ccf _pthread_wqthread + 773
    2   libsystem_c.dylib                       0x97e3b6fe start_wqthread + 30
    Thread 5:
    0   libsystem_kernel.dylib                  0x91cbd02e __workq_kernreturn + 10
    1   libsystem_c.dylib                       0x97e39ccf _pthread_wqthread + 773
    2   libsystem_c.dylib                       0x97e3b6fe start_wqthread + 30
    Thread 0 crashed with X86 Thread State (32-bit):
      eax: 0x79641f70  ebx: 0xc00af000  ecx: 0x02283baa  edx: 0xf0000000
      edi: 0x796425d0  esi: 0x0212c182  ebp: 0xc00aefd8  esp: 0xc00aeeb8
       ss: 0x00000023  efl: 0x00010202  eip: 0x9307bd47   cs: 0x0000001b
       ds: 0x00000023   es: 0x00000023   fs: 0x00000000   gs: 0x0000000f
      cr2: 0xf0000020
    Logical CPU: 0

    To reinstall:
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  • I am no longer able to edit my phone contacts after the ios5 update. i tried to restore and get latest updates and still no solution.

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  • IMac mid 2007 and need help

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  • IMac (Mid 2007) hangs at startup before the Apple logo comes up

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