iMac G5(iSight) Screen Issues, Not Working

Discussion in 'PowerPC Macs' started by G5Unit, Dec 6, 2009.

  1. macrumors 68020

    G5Unit

    Joined:
    Apr 3, 2005
    Location:
    I'm calling the cops
    #1
    My mother's iMac G5 began this just two days ago. It turns on fine, but once is reaches the apple logo with the spinning wheel, the screen begins to exhibit what is shown in the pictures below.

    It first started when I opened an .AVI I received in an email from my uncle. When the file opened, the whole screen(within about 2 seconds) had discoloration and macro blocking spread from the center of the screen outward. After this I rebooted, tried again, and when I opened the file, it did the same thing.

    Now I can not even reach the log in screen. And after the screen has been in this state for a while, it may go blank and the fans run at full blast.

    I've opened the same file on a PowerMac G5 and a MacBook Pro with no problems.

    Can anyone tell me what may be wrong? :(
     

    Attached Files:

  2. macrumors 68020

    ouimetnick

    Joined:
    Aug 28, 2008
    Location:
    Beverly, Massachusetts
    #2
    Must have a bad graphics card. Thats all I can think of.
     
  3. thread starter macrumors 68020

    G5Unit

    Joined:
    Apr 3, 2005
    Location:
    I'm calling the cops
    #3
    That's what I was thinking, because I don't think it's the screen hardware that's failing. Is it the drivers or the actual graphics card?
     
  4. macrumors 68020

    ouimetnick

    Joined:
    Aug 28, 2008
    Location:
    Beverly, Massachusetts
    #4
    I'm goona say the graphics card. It really is a pain, as I think you will need a new computer.:eek:
     
  5. thread starter macrumors 68020

    G5Unit

    Joined:
    Apr 3, 2005
    Location:
    I'm calling the cops
    #5
    Should I try and hook up an external monitor and see if it's just the screen?
     
  6. macrumors 68020

    ouimetnick

    Joined:
    Aug 28, 2008
    Location:
    Beverly, Massachusetts
    #6
    You could try, It might be a lose cable inside, but i doubt it. If an external monitor returns the same results, the graphics card is most likely dyeing.
     
  7. macrumors member

    Joined:
    Dec 7, 2009
    #7
    If the graphic card in the machine shares memory with the system, then it could be a RAM module that is bad. Try changing or if you have two or more modules in - swapping them.
     
  8. macrumors newbie

    Joined:
    Dec 7, 2009
    #8
    when my xbox started dying it did things like that and sadly there is no quick fix the card has to b fixed by professionals or replaced also i would def try usind another moniter because all of the other hardware is prob fine just the graphics card so test that out...srry abot this and best of luck
     

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