Question about Apple (661-2795) for iMac Motherboard

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Imac g5 when i use the computer for a while a gray screen comes up and says restart computer do u know what the problem might be

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  • Anonymous Jul 16, 2008

    according to the imac expert ,motherboard past away...so ill probably need new pc

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Thermal problems with graphics engine

Posted on Apr 30, 2008

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I have a gray bar on the left side of my screen on my desk top that I cannot remove to get a full screen. Help.


Hello. That problem can be hardware, such as a faulty mother board (the video card is part of the mother board on the iMacs). This also depends ont the iMac model that you have. If it is a G5, there was a series problem with condensers on the motherboard, but it is now too late to claim a replacement. If it is a newer iMac with intel chip, I would advise to bring the Mac to an AppleStore near your place or a repair shop for a complete diagnostic.

I think that on an iMac, this kind of problem can't be software related, because it is an all-in-one desktop with no separated screen settings.

Hope that helps

Nov 09, 2013 | Apple iMac 17" Desktop

1 Answer

I can only see gray squares in place of photo's I had Best Buy download from my old computer onto my iMAC computer when I bought it


Best Buy should warranty any work that they do. Take it back to them and request that they troubleshoot it or re-do the transfer.

Nov 04, 2012 | Apple iMac G5 Desktop

1 Answer

Apple iMac g5 mac desktop stuck on white screen with apple no circle


Try two or three times, make sure there are no add ons usb

Mar 23, 2012 | Apple iMac G5 Desktop

1 Answer

G5 stuck on white screen


Have you got the Snow Leopard boot disc that came with your machine?

Pop it in the iMac, restart the computer with the "C" key held down. That will boot the imac to the DISC. Once there go to the top menu and run a Disk Utility Repair on the hard drive.

Let me know what happens, I can help with this ;)

Nov 02, 2010 | Apple 24" iMac Desktop

1 Answer

Apple 20 in Imac G5 turn on for about 40 second and shut it down itself .. please help


Sounds like you need to reset your SMU and NVRAM:

To reset your SMU:
  1. Turn off the computer by choosing Shut Down from the Apple menu, or by holding the power button until the computer turns off.
  2. Unplug all cables from the computer, including the power cord.
  3. Wait 10 seconds.
  4. Plug in the power cord while simultaneously pressing and holding the power button on the back of the computer.
  5. Let go of the power button.
  6. Press the power button once more to start up your iMac.

To reset your NVRAM:

  1. Shut down the computer.
  2. Locate the following keys on the keyboard: Command, Option, P, and R. You will need to hold these keys down simultaneously in step 4.
  3. Turn on the computer.
  4. Press and hold the Command-Option-P-R keys. You must press this key combination before the gray screen appears.
  5. Hold the keys down until the computer restarts and you hear the startup sound for the second time.
  6. Release the keys.
If those don't resolve the issue, your computer will probably need service. Good luck!

Oct 10, 2010 | Apple iMac G5 Desktop

1 Answer

Imac G5 keeps freezing on turn on


Get out your Mac OS disc and restart your computer and get that disc into the drive. You may need to restart with the disc in, but that's ok.
Just restart again with the "C" Key pressed and the computer will launch with the OS disc, and then you can access the file menu when it finishes launching.
Choose "Disk Utitlity" from the file menu and you can repair the system files on your hard disk.
then restart without the disc in the drive.
K

Sep 14, 2009 | Apple iMac 24" Desktop

1 Answer

Cannot open 3rd generation iMac G5


I also had the same issues. The cord when i would jiggle it out slightly then push back in would restart the computer. I truly wouldn't mess with it too much. What it was for me was simply giving it a dedicated outlet for some odd reason. However, to remove the back. Lay computer screen down on a towel. Lossen the screws, they do not come out, mine didn't. Remove the panel and that is that. The entire back did not come off fo me, jus the panel to add more memory.

Jan 23, 2009 | Apple iMac G5 Desktop

1 Answer

IMAC G5 Boot problems


This sounds like the HDD hard died. Sometimes you can hit "option" at the startup to see if the HDD is corrupt. If you see a file with a questionmark in it, then you need to reinstall the OS, BUT before doing this, restart it and hold "apple T" it make the HDD and the computer a giant external hardrive. Just get a firewire cable and backup the hard drive onto another system before reinstalling.

If you see a disk icon come up, there is definate directory problems as it still recognises that it has a hard drive. Disc warrior might fix it.

Jul 02, 2008 | Apple iMac G5 Desktop

2 Answers

IMac G5


you need to contact apple support for the same

Jun 23, 2008 | Apple iMac G5 Desktop

1 Answer

Imac G5 harddrive replacement


i think you r right,

please get the same checked by an Apple technician

Jun 17, 2008 | Apple iMac G5 Desktop

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