Question about Apple eMac Desktop

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17inch screen only uses 8inches

Hello my emac works fine except that the 17inch screen only uses the middle around the edges it's black.It's like having a 8 inch screen is there a fix or do i throw it in the bin.thankyou

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  • Justin Goldberg May 11, 2010

    I believe this info from wikipedia let's us know that this is commonplace. To quote it:

    To Apple's detriment, a number of eMac machines have suffered from what
    was known as "Raster Shift", a strange phenomenon where the bottom
    third or half of the screen goes black, with the rest of image shifting
    upward and out of the top boundary of the display. Serious static also
    accompanies the problem, rendering the viewable part of the screen
    virtually useless. In response to the problem, Apple offered a solution
    which involved the replacement of a video cable inside the eMac's case.

    Here's some links on apple.com regarding this.


  • Krabby May 11, 2010

    There could be a couple of things wrong with the unit, first I would try a software update, that will take care of any software issues with the unit, second the unit may think there is an external monitor connected to it, check the displays system preference and see if a second monitor shows up, if so turn off the mirroring aspect and the screen should go back to normal


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It is simple.  Reset the PRAM (command-p-r)

Posted on Dec 09, 2008

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Posted on Jan 02, 2017

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