Recent content by DGC

We also have this problem. There is another post on this forum, dated October 14, where someone suggested that the backlight on the LCD was dead. You can diagnose this by restarting and shining a "torch" (or flashlight, I think he meant) during startup. You should see some image. I'm off to...

Wow! This may be what happened to our G4 iMac. The screen just suddenly went black when I touched the mouse. At least this gives us a starting point for calling repair shops. We are way beyond warranty now.