Power Mac G4 Wont Display on screen

Discussion in 'PowerPC Macs' started by Nerka, Sep 6, 2007.

  1. Nerka macrumors newbie

    Sep 6, 2007

    my computer is a powermac g4 dual 1.25. Running 10.4.10 on it. I came home from a friends house to see my computer all jacked up. Now my computer wont even start up the regular way. I hear the chime once and the fans. But it wont get past that point no matter what i've tried. I've reset the pmu button but after that i'm a bit stuck.

    oh and the mouse and keyboard don't work when attached to the monitor ( apple 17 inch monitor ) but the mouse does light up when plugged in behind.

    anyones helps or suggestions would be most appreciated. Thank you in advance
  2. rajfantastic macrumors member


    Jun 9, 2007
    i think your monitor is not plugged in/turned on
  3. Tracer macrumors 6502

    Jun 20, 2007
    If the mouse lights up might be a video card or monitor problem.

    Had a similar bug with my G4 Quicksilver, had to re-seat the Graphics Card in order for it to work. (System would boot but no picture.)


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