Replacing Logic Board on Mid 2007 iMac

[Boogsephine]

Hi all. I have a mid 2007 24" iMac I picked up from a friend for dirt cheap since he was having issues with it and already had a new computer. The computer was working fine until he started uploading 15k+ songs to Google Music and he received an error message that took over the whole screen and made him restart the computer. It boots back up and stays on for a few minutes and then the error message comes back up (written in multiple languages) and then has to be turned off again.

I never took it to a shop or anything after buying it but he told me he thinks that it is the logic board that is bad. I found a few online for about $250.. but my question is how hard is it to install / replace the logic board?

I'm not 100% sure if it is the logic board either. I can boot it back up tomorrow and post a picture of the error message that pops up after it has been on for a few minutes if that helps. I didn't know if it would be worth taking in to a store to have it diagnosed or if anyone could give me more of a definite answer. The computer is in absolutely pristine condition, has the box with all accessories and would be a great computer for me to give to my dad or just use in the spare room here! I'd hate to see it go to waste or have to spend more than its really worth to fix.

Here is a link to the model of the computer:

http://www.amazon.com/Apple-Desktop-.../dp/B000R805L4

I'll post up a picture of the error message once I get it hooked up again.

Thanks!

[Boogsephine]

Decided to just hook it up tonight for kicks and giggles. It got to the user account screen, clicked on his old user name, entered the password and this came up right about when the desktop was going to load all of his old information.

I remember he made a 'test account' name on there because it would actually get to the desktop before the message popped up. Not sure what the difference would be in that but I'll try that next.

It also freezes the mouse and keyboard so nothing can be done other than restarting the computer by holding the power button on the back side.

[Intell]

If it boots that far it's likely the logicboard is still good. That model iMac doesn't have any widespread logicboard problems. The problem you have is likely the hard drive has failed or is dying.

[BlazednSleepy]

I'm pretty sure that's the harddrive. I remember seeing that when my 20inch 2007 iMac's hard drive was dying.

[Boogsephine]

Originally Posted by Intell

If it boots that far it's likely the logicboard is still good. That model iMac doesn't have any widespread logicboard problems. The problem you have is likely the hard drive has failed or is dying.

I think the hard drive being the problem will be a much easier fix then. I did boot into the 'test account' like I tried before and it lets me play around in the OS for about 2 minutes before it pops up the screen.

I guess if I decide to replace the hard drive this week the worst that can happen is I find out it is something else and I return the drive to wherever I decide to buy it.. now to Google how to take apart the iMac.

Edit: Found this article and I'll probably give this a shot this weekend and see what happens.

http://www.amfiteatar.org/content/view/155/78/lang,en/

[Intell]

I suggest using iFixit's guides: http://www.ifixit.com/Guide/iMac+Int...acement/1008/1 They're generally the best outside of Apple. Also, if you have a Mac OS X installation, you can try booting the iMac from it and reinstalling the OS onto the current hard drive.

[Boogsephine]

Originally Posted by Intell

I suggest using iFixit's guides: http://www.ifixit.com/Guide/iMac+Int...acement/1008/1 They're generally the best outside of Apple. Also, if you have a Mac OS X installation, you can try booting the iMac from it and reinstalling the OS onto the current hard drive.

Thanks! I'll watch the video and get an idea of the process. I found an old sATA 400GB hard drive from my old desktop computer. I'll format that tonight and get that ready for the transfer this weekend.

In regards to your Mac OS installation disc, I have the OEM discs that came with the computer but I think I tried that last time and it froze up when I got into the boot screen menu.

[rkaufmann87]

Originally Posted by Boogsephine

I think the hard drive being the problem will be a much easier fix then. I did boot into the 'test account' like I tried before and it lets me play around in the OS for about 2 minutes before it pops up the screen.

I guess if I decide to replace the hard drive this week the worst that can happen is I find out it is something else and I return the drive to wherever I decide to buy it.. now to Google how to take apart the iMac.

Edit: Found this article and I'll probably give this a shot this weekend and see what happens.

http://www.amfiteatar.org/content/view/155/78/lang,en/

You may be correct about the HD however what is occuring is your getting a Kernel Panic which can be caused by hardware or software. If it's software the fix is fairly simple, remove the offending app. What you need to do is post the last panic report, Apple explains how to do this. Please look over:

http://support.apple.com/kb/ht2546

and then post the COMPLETE report. Someone on this board, maybe me should be able to read it and point out if it's an app or not.

[Boogsephine]

Originally Posted by rkaufmann87

You may be correct about the HD however what is occuring is your getting a Kernel Panic which can be caused by hardware or software. If it's software the fix is fairly simple, remove the offending app. What you need to do is post the last panic report, Apple explains how to do this. Please look over:

http://support.apple.com/kb/ht2546

and then post the COMPLETE report. Someone on this board, maybe me should be able to read it and point out if it's an app or not.

I generally don't have enough time to access the logs if I am able to get to the home screen. I put in the original install disc and did the Apple Hardware Test and it said no errors. I booted from the disc and tried to do a restore but when it was at about 8% of 'Checking Installation DVD' the kernel panic came up again. I'm thinking more now it is the hard drive if the AHT didn't detect any issues.

Edit: I was able to get into the guest account and access the files. There are a ton of them in there since I've tried many of times to fix it. Ha!

It does stay on quite a bit longer when I'm in the guest account rather than in the user account he logged into on a daily basis. It could be something software related but I don't see why it would cause a kernel panic when I'm trying to restore the hard drive and none of his files are running in the background.

Wed Jan 2 22:05:53 2013
Machine-check capabilities (cpu 0) 0x0000000000000806:
family: 6 model: 15 stepping: 11 microcode: 179
Intel(R) Core(TM)2 Duo CPU T7700 @ 2.40GHz
6 error-reporting banks
threshold-based error status present
Machine-check status 0x0000000000000005:
restart IP valid
machine-check in progress
MCA error-reporting registers:
IA32_MC0_STATUS(0x401): 0x1000000000000000 invalid
IA32_MC1_STATUS(0x405): 0x0000000000000000 invalid
IA32_MC2_STATUS(0x409): 0x0000000000000000 invalid
IA32_MC3_STATUS(0x40d): 0xb62000401102010a valid
MCA error code: 0x010a
Model specific error code: 0x1102
Other information: 0x00000040
Threshold-based status: Green
Status bits:
Processor context corrupt
ADDR register valid
Error enabled
Uncorrected error
IA32_MC3_ADDR(0x40e): 0x0000000000699180
IA32_MC4_STATUS(0x411): 0x0000000000000011 invalid
IA32_MC5_STATUS(0x415): 0xb200001806000e0f valid
MCA error code: 0x0e0f
Model specific error code: 0x0600
Other information: 0x00000018
Threshold-based status: No tracking
Status bits:
Processor context corrupt
Error enabled
Uncorrected error
panic(cpu 0 caller 0x001AAA68): Machine Check at 0x000056ca, thread:0x566e410, trapno:0x12, err:0x0, registers:
CR0: 0x8001003b, CR2: 0x03256000, CR3: 0x011c2000, CR4: 0x00000660
EAX: 0x00000000, EBX: 0x00000003, ECX: 0x00216e86, EDX: 0x00000000
ESP: 0xbfffe524, EBP: 0xbfffe538, ESI: 0x0020a000, EDI: 0x002173e3
EFL: 0x00000206, EIP: 0x000056ca

Backtrace (CPU 0), Frame : Return Address (4 potential args on stack)
0x4f4e28 : 0x12b4c6 (0x45f91c 0x4f4e5c 0x13355c 0x0)
0x4f4e78 : 0x1aaa68 (0x469790 0x56ca 0x566e410 0x12)
0x4f4f58 : 0x1a2563 (0x4f4f70 0x0 0x0 0x0)
No mapping exists for frame pointer
Backtrace terminated-invalid frame pointer 0xbfffe538

BSD process name corresponding to current thread: kextcache

Mac OS version:
9L31a

Kernel version:
Darwin Kernel Version 9.8.0: Wed Jul 15 16:55:01 PDT 2009; root:xnu-1228.15.4~1/RELEASE_I386
System model name: iMac7,1 (Mac-F42386C8)

System uptime in nanoseconds: 109688614725
unloaded kexts:
(none)
loaded kexts:
com.parallels.kext.prl_vnic 6.0 12092.670880
com.parallels.kext.prl_netbridge 6.0 12092.670880
com.parallels.kext.prl_usb_connect 6.0 12092.670880
com.parallels.kext.prl_hid_hook 6.0 12092.670880
com.parallels.kext.prl_hypervisor 6.0 12092.670880
com.rim.driver.BlackBerryUSBDriverInt 0.0.64
com.apple.driver.AppleBluetoothMultitouch 32.7 - last loaded 30567664620
com.apple.driver.IOBluetoothHIDDriver 2.1.10f2
com.apple.driver.AppleMultitouchDriver 194.28
com.apple.driver.InternalModemSupport 2.4.0
com.apple.filesystems.autofs 2.0.2
com.apple.driver.AppleHDAPlatformDriver 1.7.1a2
com.apple.driver.AppleHIDKeyboard 1.0.9b4
com.apple.driver.AppleHDAHardwareConfigDriver 1.7.1a2
com.apple.driver.AppleUpstreamUserClient 2.7.5
com.apple.driver.AppleHDA 1.7.1a2
com.apple.kext.ATY_Hypoprion 5.4.8
com.apple.driver.AppleHWSensor 1.9d0
com.apple.iokit.IOBluetoothSerialManager 2.1.10f2
com.apple.Dont_Steal_Mac_OS_X 6.0.3
com.apple.driver.AppleGraphicsControl 2.8.15
com.apple.driver.AppleTyMCEDriver 1.0.0d28
com.apple.driver.AppleHDAController 1.7.1a2
com.apple.iokit.IOFireWireIP 1.7.7
com.apple.driver.AudioIPCDriver 1.0.6
com.apple.ATIRadeonX2000 5.4.8
com.apple.driver.ACPI_SMC_PlatformPlugin 3.4.0a17
com.apple.driver.AppleIRController 113
com.apple.driver.AppleLPC 1.3.1
com.apple.driver.AppleBacklight 1.6.0
com.apple.driver.CSRUSBBluetoothHCIController 2.1.10f2
com.apple.driver.CSRHIDTransitionDriver 2.1.10f2
com.apple.driver.AppleUSBMergeNub 3.5.2
com.apple.iokit.IOSCSIMultimediaCommandsDevice 2.1.1
com.apple.iokit.SCSITaskUserClient 2.1.1
com.apple.driver.XsanFilter 2.7.91
com.apple.driver.AppleFileSystemDriver 1.1.0
com.apple.iokit.IOATAPIProtocolTransport 1.5.3
com.apple.iokit.IOAHCIBlockStorage 1.2.2
com.apple.driver.AppleUSBHub 3.4.9
com.apple.iokit.IOUSBUserClient 3.5.2
com.apple.driver.AirPortBrcm43xx 367.91.22
com.apple.driver.AppleAHCIPort 1.7.0
com.apple.driver.AppleFWOHCI 3.9.7
com.apple.driver.AppleIntelPIIXATA 2.0.1
com.apple.driver.AppleUSBEHCI 3.4.6
com.apple.iokit.AppleYukon2 3.1.13b2
com.apple.driver.AppleUSBUHCI 3.5.2
com.apple.driver.AppleEFINVRAM 1.2.0
com.apple.driver.AppleRTC 1.2.3
com.apple.driver.AppleHPET 1.4
com.apple.driver.AppleACPIPCI 1.2.5
com.apple.driver.AppleACPIButtons 1.2.5
com.apple.driver.AppleSMBIOS 1.4
com.apple.driver.AppleACPIEC 1.2.5
com.apple.driver.AppleAPIC 1.4
com.apple.security.seatbelt 107.12
com.apple.nke.applicationfirewall 1.8.77
com.apple.security.TMSafetyNet 3
com.apple.driver.AppleIntelCPUPowerManagement 76.2.0
com.apple.driver.DiskImages 199
com.apple.BootCache 30.4
com.apple.driver.DspFuncLib 1.7.1a2
com.apple.iokit.IOSerialFamily 9.4
com.apple.iokit.IOHDAFamily 1.7.1a2
com.apple.iokit.IOAudioFamily 1.6.9fc5
com.apple.kext.OSvKernDSPLib 1.1
com.apple.driver.IOPlatformPluginFamily 3.4.0a17
com.apple.driver.AppleSMC 2.3.1d1
com.apple.iokit.IONDRVSupport 1.7.3
com.apple.iokit.IOGraphicsFamily 1.7.3
com.apple.driver.AppleUSBBluetoothHCIController 2.1.10f2
com.apple.iokit.IOBluetoothFamily 2.1.10f2
com.apple.iokit.IOUSBHIDDriver 3.4.6
com.apple.iokit.IOBDStorageFamily 1.5
com.apple.iokit.IODVDStorageFamily 1.5
com.apple.iokit.IOCDStorageFamily 1.5
com.apple.iokit.IO80211Family 216.1
com.apple.iokit.IOAHCIFamily 1.5.0
com.apple.iokit.IOFireWireFamily 3.4.9
com.apple.iokit.IOATAFamily 2.0.1
com.apple.iokit.IONetworkingFamily 1.6.1
com.apple.driver.AppleEFIRuntime 1.2.0
com.apple.iokit.IOSMBusFamily 1.1
com.apple.iokit.IOUSBMassStorageClass 2.0.8
com.apple.iokit.IOSCSIBlockCommandsDevice 2.1.1
com.apple.iokit.IOSCSIArchitectureModelFamily 2.1.1
com.apple.driver.AppleUSBComposite 3.2.0
com.apple.iokit.IOUSBFamily 3.5.2
com.apple.iokit.IOHIDFamily 1.5.7
com.apple.iokit.IOStorageFamily 1.5.6
com.apple.driver.AppleACPIPlatform 1.2.5
com.apple.iokit.IOACPIFamily 1.2.0
com.apple.iokit.IOPCIFamily 2.6

[rkaufmann87]

Originally Posted by Boogsephine

I think the hard drive being the problem will be a much easier fix then. I did boot into the 'test account' like I tried before and it lets me play around in the OS for about 2 minutes before it pops up the screen.

I guess if I decide to replace the hard drive this week the worst that can happen is I find out it is something else and I return the drive to wherever I decide to buy it.. now to Google how to take apart the iMac.

Edit: Found this article and I'll probably give this a shot this weekend and see what happens.

http://www.amfiteatar.org/content/view/155/78/lang,en/

You may be correct about the HD however what is occuring is your getting a Kernel Panic which can be caused by hardware or software. If it's software the fix is fairly simple, remove the offending app. What you need to do is post the last panic report, Apple explains how to do this. Please look over:

http://support.apple.com/kb/ht2546

and then post the COMPLETE report. Someone on this board, maybe me should be able to read it and point out if it's an app or not.

----------

Originally Posted by Boogsephine

I generally don't have enough time to access the logs if I am able to get to the home screen. I put in the original install disc and did the Apple Hardware Test and it said no errors. I booted from the disc and tried to do a restore but when it was at about 8% of 'Checking Installation DVD' the kernel panic came up again. I'm thinking more now it is the hard drive if the AHT didn't detect any issues.

It take far less time to access the the logs than run AHT, AHT is not a very good gauge. If your HD has issues it might or might not show up as an error in AHT, unfortunately AHT is your only free solution but AHT is not that reliable to find errors. If you want to know if they HD has issues then you need to buy Disk Warrior, this is the best tool for diagnosing and possibly repairing a HD. If you don't want to invest in DW (about $100) you would need to run AHT in extended mode at least 3-4 times to get a hope of finding an error. If any errors appear you can post the errors but anyone that says for sure they know what they mean isn't telling the complete truth because Apple doesn't publish the codes. In other words you would need to take to an AASP or Apple Store to be professionally diagnosed.

----------

Originally Posted by Boogsephine

I generally don't have enough time to access the logs if I am able to get to the home screen. I put in the original install disc and did the Apple Hardware Test and it said no errors. I booted from the disc and tried to do a restore but when it was at about 8% of 'Checking Installation DVD' the kernel panic came up again. I'm thinking more now it is the hard drive if the AHT didn't detect any issues.

Edit: I was able to get into the guest account and access the files. There are a ton of them in there since I've tried many of times to fix it. Ha!

It does stay on quite a bit longer when I'm in the guest account rather than in the user account he logged into on a daily basis. It could be something software related but I don't see why it would cause a kernel panic when I'm trying to restore the hard drive and none of his files are running in the background.

OK thanks for posting that KP report. You may have bought a stone bargain!!!!! The KP is occurring when it comes across:

com.parallels.kext.prl_vnic 6.0 12092.670880

The app (Parallels) doesn't need to be running to cause a KP. Your issue may be that Parallels is really out of date and is not compatible with the version of OS X you have installed. The solution is simple, purchase a updated license of Parallels (about $75.00) or follow the developers instructions for removing the app. If you plan on running MS Windows on the machine then upgrade the app, if you don't, follow the developer's instructions for removing the app and then retest.

[Boogsephine]

Originally Posted by rkaufmann87

OK thanks for posting that KP report. You may have bought a stone bargain!!!!! The KP is occurring when it comes across:

com.parallels.kext.prl_vnic 6.0 12092.670880

The app (Parallels) doesn't need to be running to cause a KP. Your issue may be that Parallels is really out of date and is not compatible with the version of OS X you have installed. The solution is simple, purchase a updated license of Parallels (about $75.00) or follow the developers instructions for removing the app. If you plan on running MS Windows on the machine then upgrade the app, if you don't, follow the developer's instructions for removing the app and then retest.

This is very strange. I logged into the 'test account' and switched over to the regular account and I've been using the computer like nothing is wrong with it. I e-mailed a few documents he wanted and am actually transferring some of his old music via the network to my iMac. I've NEVER seen it stay on this long without causing the kernel panic.

As far as the Parallels, I don't even care if it is installed on the computer. I just want to reformat it and use it as a back up computer or for basic use. Can I just uninstall Parallels rather than updating it?

Edit: Still using his computer like nothing is wrong. The system must have deleted Parallels on its own because the only thing I can find is a few things that have some of his old Windows 7 stuff in it. I'm backing up his music and pictures and hopefully when I do a system restore it won't crap out on me!

[rkaufmann87]

Originally Posted by Boogsephine

This is very strange. I logged into the 'test account' and switched over to the regular account and I've been using the computer like nothing is wrong with it. I e-mailed a few documents he wanted and am actually transferring some of his old music via the network to my iMac. I've NEVER seen it stay on this long without causing the kernel panic.

As far as the Parallels, I don't even care if it is installed on the computer. I just want to reformat it and use it as a back up computer or for basic use. Can I just uninstall Parallels rather than updating it?

Edit: Still using his computer like nothing is wrong. The system must have deleted Parallels on its own because the only thing I can find is a few things that have some of his old Windows 7 stuff in it. I'm backing up his music and pictures and hopefully when I do a system restore it won't crap out on me!

Yes you can uninstall Parallels, you need to navigate to the developers web site and locate the instructions for Uninstalling, ONLY ONLY ONLY follow their directions. Once you have uninstalled then restart the computer in Safe Mode to clear any caches and then restart normally and test the computer. My guess is your KP's will vanish.

If the old owner doesn't have Parallels installed any longer that is clear sign he did not follow the developers instructions for uninstalling. This would mean remnants of the app are still install and need to be gotten rid of, again ONLY follow the developers instructions for uninstalling!!!!

[Boogsephine]

Originally Posted by rkaufmann87

Yes you can uninstall Parallels, you need to navigate to the developers web site and locate the instructions for Uninstalling, ONLY ONLY ONLY follow their directions. Once you have uninstalled then restart the computer in Safe Mode to clear any caches and then restart normally and test the computer. My guess is your KP's will vanish.

If the old owner doesn't have Parallels installed any longer that is clear sign he did not follow the developers instructions for uninstalling. This would mean remnants of the app are still install and need to be gotten rid of, again ONLY follow the developers instructions for uninstalling!!!!

Thanks for all of your help, rkaufmann87. The computer is still running and no issues thus far. I followed the 'basic' instructions on Parallel's site to uninstall the software and it seems like some of it was there and some of it was missing. I'm just waiting for the rest of the music to finish backing up and I'll restart and see what happens. I might even leave the computer running all night just to see if any KP's happen.

Again, thank you very much. Your help is greatly appreciated!

[rkaufmann87]

Originally Posted by Boogsephine

Thanks for all of your help, rkaufmann87. The computer is still running and no issues thus far. I followed the 'basic' instructions on Parallel's site to uninstall the software and it seems like some of it was there and some of it was missing. I'm just waiting for the rest of the music to finish backing up and I'll restart and see what happens. I might even leave the computer running all night just to see if any KP's happen.

Again, thank you very much. Your help is greatly appreciated!

Your welcome and good luck.

[shoulin333]

Originally Posted by Boogsephine

This is very strange. I logged into the 'test account' and switched over to the regular account and I've been using the computer like nothing is wrong with it. I e-mailed a few documents he wanted and am actually transferring some of his old music via the network to my iMac. I've NEVER seen it stay on this long without causing the kernel panic.

This is common for Hard Drives that are failing. Sometimes they will work fine for a few days or weeks and then go back to the problems. There is no harm in using it for casual stuff if it is the hard drive, but don't put anything important on it.

Does the hard drive make any clicking sounds? Also could be a fan not spinning, does it get hot?

[Boogsephine]

Just a picture showing what I was working with tonight. Still letting stuff load and back up (on my iMac). I did find out the sound doesn't work on his though. I go into Sound --> Output and nothing is listed. Something must have messed that up but I'm doing a system restore in the morning anyways. Hopefully that'll take care of it.

[Boogsephine]

After it staying on for nearly an hour and a half (I think), I restarted the computer since the speakers were not working. Booted up pretty quickly and the speakers were working after the reboot. I began playing a few songs in iTunes and got another KP. :/ Hopefully its iTunes related. I also put in one of the old memory chips. It originally came with (2) 1GB chips and I put in the (2) 2GB chips he upgraded to. Running the hardware test now.

Here is the KP:

Thu Jan 3 00:54:49 2013
Machine-check capabilities (cpu 0) 0x0000000000000806:
family: 6 model: 15 stepping: 11 microcode: 179
Intel(R) Core(TM)2 Duo CPU T7700 @ 2.40GHz
6 error-reporting banks
threshold-based error status present
Machine-check status 0x0000000000000004:
machine-check in progress
MCA error-reporting registers:
IA32_MC0_STATUS(0x401): 0x1400000000000000 invalid
IA32_MC1_STATUS(0x405): 0x0000000000000000 invalid
IA32_MC2_STATUS(0x409): 0x0000000000000000 invalid
IA32_MC3_STATUS(0x40d): 0xb22000001502010a valid
MCA error code: 0x010a
Model specific error code: 0x1502
Other information: 0x00000000
Threshold-based status: Green
Status bits:
Processor context corrupt
Error enabled
Uncorrected error
IA32_MC4_STATUS(0x411): 0x0000000000000011 invalid
IA32_MC5_STATUS(0x415): 0xb20000300c000e0f valid
MCA error code: 0x0e0f
Model specific error code: 0x0c00
Other information: 0x00000030
Threshold-based status: No tracking
Status bits:
Processor context corrupt
Error enabled
Uncorrected error
panic(cpu 1 caller 0x001AAA68): Machine Check at 0x551168b2, thread:0x698bd60, trapno:0x12, err:0x0, registers:
CR0: 0x80010033, CR2: 0x1da76000, CR3: 0x00d43000, CR4: 0x00000660
EAX: 0x00000010, EBX: 0x06866240, ECX: 0x00000001, EDX: 0x5511c780
ESP: 0x5b6b7a80, EBP: 0x5b6b7aa8, ESI: 0x067bf884, EDI: 0x5511bcb0
EFL: 0x00000002, EIP: 0x551168b2

Backtrace (CPU 1), Frame : Return Address (4 potential args on stack)
0x554b2fb8 : 0x12b4c6 (0x45f91c 0x554b2fec 0x13355c 0x0)
0x554b3008 : 0x1aaa68 (0x469790 0x551168b2 0x698bd60 0x12)
0x554b30e8 : 0x1a2563 (0x554b3100 0x401ff4ab 0x803fe956 0x7fd2ad)
0x5b6b7aa8 : 0x5510c562 (0x554a50a4 0x2 0x67bf884 0x0)
0x5b6b7b98 : 0x5510d257 (0x4267852d 0x8000005f 0x0 0x0)
0x5b6b7c58 : 0x1ac38d (0xffffffff 0x7fffffff 0x10 0x554da000)
0x5b6b7c78 : 0x1358e1 (0x554da4c0 0x42678157 0x5f 0x554da4ac)
0x5b6b7cc8 : 0x136217 (0x1 0x698bd60 0x665c0dc 0x0)
0x5b6b7d38 : 0x136e7c (0x698bd7c 0x1d03 0x5b6b7d58 0x0)
0x5b6b7d78 : 0x136f20 (0x12081a 0x0 0x0 0x1a436f)
0x5b6b7d98 : 0x121286 (0x12081a 0x5424e0 0x0 0x2)
0x5b6b7df8 : 0x1274de (0x6c50bd0 0x3000006 0x450 0x0)
0x5b6b7f08 : 0x198fa3 (0x5b6b7f44 0x0 0x0 0x0)
0x5b6b7fc8 : 0x1a1cfa (0x6659d40 0x0 0x1a40b5 0x698bd60)
No mapping exists for frame pointer
Backtrace terminated-invalid frame pointer 0xbfffe348
Kernel loadable modules in backtrace (with dependencies):
com.apple.driver.AppleIntelCPUPowerManagement(76.2.0)@0x5510a000->0x55128fff

BSD process name corresponding to current thread: iTunes

Mac OS version:
9L31a

Kernel version:
Darwin Kernel Version 9.8.0: Wed Jul 15 16:55:01 PDT 2009; root:xnu-1228.15.4~1/RELEASE_I386
System model name: iMac7,1 (Mac-F42386C8)

System uptime in nanoseconds: 409136960410
unloaded kexts:
com.apple.driver.InternalModemSupport 2.4.0 - last unloaded 175936750204
loaded kexts:
com.rim.driver.BlackBerryUSBDriverInt 0.0.64
com.apple.driver.AppleBluetoothMultitouch 32.7 - last loaded 41236537225
com.apple.driver.IOBluetoothHIDDriver 2.1.10f2
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[Boogsephine]

Sigh. If its not one thing, its another with this iMac. I turned it off last night and now when I turn it on the optical drive makes a noise every 3 seconds and nothing shows up on the screen. I've tried holding down the F12 key, eject key and the button on the house and I cannot get it to stop making the noise.

It is the original OS X install disc in there too.

[Boogsephine]

Originally Posted by shoulin333

This is common for Hard Drives that are failing. Sometimes they will work fine for a few days or weeks and then go back to the problems. There is no harm in using it for casual stuff if it is the hard drive, but don't put anything important on it.

Does the hard drive make any clicking sounds? Also could be a fan not spinning, does it get hot?

The hard drive isn't making any clicking noises but after having the computer turned off all night, I can't even get it to boot. Right when I press and hold the power button all I get is the optical drive making a noise every 3 seconds. I've tried all keyboard combos (including mouse button) and nothing happens. If I hold 'C' down I'll hear the optical drive spin for a few seconds then start making noise again.

I don't even get the white or grey apple screen. I was attempting to do a restore last night before I went to bed but got a panic screen again after putting the old memory in. So there probably is no OS on there now and the optical drive makes noise and does nothing otherwise.

Edit: I put in the replacement RAM he had and was able to get to the white Apple screen. Ran the hardware test and it said no errors. Booted from the disc and ran disk utility and it shows the drive is already formatted. Tried to reinstall OS X and the KP came on about 5% into the install. I'm clueless now.

I'll keep one of the replacement RAM chips in and put one of the OEM ones in and the only thing I can get it to do is turn on and have the optical drive make noise. It only boots from the CD and tries to reinstall when the 2 replacement RAM chips are in there. It ran fine last night when one replacement and one OEM.

Edit 2: Since having both of the after market pieces of RAM in there, I was able to get to the 2nd CD of installing OS X but it gets to about 20% and I get the kernel panic screen again. I have an extra sATA hard drive I can install in it but I need to go get the torx screw drivers first or I can buy a set of laptop memory from Best Buy and see what happens there. I'm trying to narrow this down but going between the hard drive and memory is where I'm caught up.

Edit 3: After probably 15 kernel panics while trying to get through disc 2 of the install, I bought some memory from Best Buy but the Mac will only boot when there is the replacement (old memory) in there. I put the new memory in and the disc drive starts spinning but nothing ever shows up on the screen and I can't use any of the keyboard commands to do anything either. Maybe try to put in the new memory and boot from disc 1? This is becoming very frustrating.. might just sell it for parts. :/

[Boogsephine]

I did a Command + V last night to see if there were any errors happening before trying to reinstall the OS but I didn't really see anything. I'm beginning to think it is the logic board. :/

Bought the tool set today with the T6 and T8 torx bits and will try to throw a new HDD in it sometime tomorrow or so. Ehh, darn iMac!

Edit: Took the iMac apart and put in the extra hard drive I had and I still get the kernel panic screens. I guess I'll be calling Apple to see how much a replacement logic board will be.