display issues on powermac g5

Discussion in 'PowerPC Macs' started by ansirone, Aug 12, 2010.

  1. ansirone macrumors regular

    ansirone

    Joined:
    Jun 18, 2007
    Location:
    City of Angeles
    #1
    im having strange display issues with my powermac g5 its constantly flashing an refreshing the display every now and then after it wakes from sleep. similar to the way it would refresh if you change the screen res. please help!
     
  2. Hrududu macrumors 68020

    Hrududu

    Joined:
    Jul 25, 2008
    Location:
    Central US
    #2
    PRAM stores things like video resolution and color settings. Try resetting the PRAM next time you reboot. Power it on and hold down Command+Option+P+R until you hear the computer chime 3x.
     

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