G4 iMac screen messed

Discussion in 'Macintosh Computers' started by tek, Nov 4, 2003.

  1. tek macrumors regular

    Aug 23, 2003
    Take a look - a picture can explain more than 1000 words. The TVish vertical lines are just the camera, but anything going horizontally isn't :(

    This machine is out of warranty.

    Anyone have any suggestions?

    Attached Files:

  2. MacBoyX macrumors 6502


    Jan 3, 2003
    East Coast, USA
    Is it just me? I don't see anything.

    Can you explain?

  3. Mblazened macrumors regular

    Dec 20, 2002
    The Valley
    maybe bad CRT, or PAV board.

    Not something you can fix yourself, however. Be about $200+ to repair
  4. tek thread starter macrumors regular

    Aug 23, 2003
    look at the horizontals streaks...

    and it's a Flat panel iMac - not a CRT
  5. Sun Baked macrumors G5

    Sun Baked

    May 19, 2002
    And does this still happen at a different Resolutions and/or Refresh rates?
  6. cubist macrumors 68020

    Jul 4, 2002
    Muncie, Indiana
    Have you tried turning down your contrast? (Do LCDs still have such a thing?)
  7. tek thread starter macrumors regular

    Aug 23, 2003
    it happens at all resolutions and refresh rates, and in everything (OS installers, OS9, OSX)

    turning the brightness/contrast down does nothing... everything just gets darker
  8. tek thread starter macrumors regular

    Aug 23, 2003
    the problem seems to be only getting worse :(

    see the picture below

    the background of the webpage is meant to be solid black

    Attached Files:

  9. LimeLite macrumors 6502a


    Mar 20, 2003
    Los Angeles, Ca
    The first picture sure makes the screen looked curved like a CRT. I was thinking the same thing. I could see this happening on a CRT, but on an LCD, it's probably the video cable or, hate to say it, the motherboard.
  10. tek thread starter macrumors regular

    Aug 23, 2003
    plugged in an external monitor and it's fine - so it's either the connection from the video chipset to the LCD or the LCD it's self.

    Problem is how would I fix this?

    I can't afford to pay for a repair - i was going to sell this machine, but obviously I can't sell it in the state it's in.

    Does anyone have some instructions on how to open this thing up?
  11. rainman::|:| macrumors 603


    Feb 2, 2002
    an LCD is one part that i really always recommend people not try to fix. there's not a lot that you can do, except for damage it past repair... i'm afraid i can't tell you how much it will be, it depends entirely on what part is broken and where you go. i wish you luck tho--


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