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  1. #1


    Member Since
    Dec 25, 2013
    Posts
    1
    Problem with IMac display
    Hi

    My father and I both own iMac 8,1 and mine has absolutely no problem.
    My father's screen is darkened at the top half of the screen, although you can still see through the darkened area. It's as though there is a "shaded" area at the top. The bottom half of the screen is fine.

    I tried various display setting resets and everything I can think of, to no avail. I took a screen shot and sent it to my own computer, but the screen shot looks fine from here.

    I am thinking it is a hardware problem and may need technician. Can anyone help or suggest what might be happening here?

    Thanks

  2. #2

    Lifeisabeach's Avatar
    Member Since
    Sep 30, 2007
    Location
    The Republic of Neptune
    Posts
    7,754
    That's undoubtedly a hardware problem. It could be a loose connection, or perhaps the backlight is partially defective. You'd really need an expert to look at it.

  3. #3

    dtravis7's Avatar
    Member Since
    Jan 04, 2005
    Location
    Modesto, Ca.
    Posts
    28,962
    Specs:
    iMac 2010 27" QuadI7 OSX10.11, iMac 2008 OSX10.11, MBP Late2011OSX10.11 , iPad Air, iPhone 3GS
    I had that happen when I was inside my iMac G5. When I put it back together one time in a hurry, I forgot to plug in the wires from the Top back light to the inverter. So it's either a Backlight issue or maybe inverter issue as most iMacs I have worked on have 2 sets of wires from the inverter to the LCD or a wire come looks like LB stated above.

  4. #4


    Member Since
    Apr 24, 2009
    Location
    UK
    Posts
    746
    Specs:
    MacBook Pro 15" 2.8 GHz
    It could be the LED Inverter or the LCD. Most backlight problems I've seen have been caused by the LCD, although in these instances one side was darker than the other, not top to bottom as per the original post.
    Steve
    UK

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