Screen Weirdness-anyone seen this B4?

Discussion in 'Mac Basics and Help' started by 3rdpath, Nov 3, 2008.

  1. 3rdpath macrumors 68000


    Jan 7, 2002
    2nd star on the right and straight till morning
    my GF's mac( Mac Pro quad 2.66 intel, 4mgs ram, leopard, ATI XT1900) is doing strange stuff- lotsa freezes, lines across screen( see screenshot), beachballs of death and a weird instant sleep mode, actually more like a coma, where it won't wake up( whole screen goes to black).

    we just got it back from a local mac repair shop where they replaced the logic board...and it's still acting up. the monitor is a new LG 24"-so i don't think it's an issue.

    anyone dealt with a similar situation or seen the screen weirdness before?

    just would like to have a bit more info when i take it back in for repair...the shop seems to be taking the path of least resistance as far as repairs go.

    thanks for the assistance.

    edit: sorry the pic is an EV map-it was just the first thing i opened and got the dreaded lines...

    Attached Files:

  2. wrldwzrd89 macrumors G5


    Jun 6, 2003
    Solon, OH
    Sounds like your ATI XT1900 is acting up - either that, or something's seriously wrong with your Quartz Extreme.

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