Take a look at this picture. Have you had this sort of problem on your G4 screen? If i point the mouse pointer on a dark area, it will light up a stripe vertically on the screen. You can aslo see the stripes fromm a window.
Is there a way to fix this, or do i need a replacement?
I was afraid somebody would say that. Is dead pixels a problem too? I've got 5-7 of them.
As for the window borders, try setting Windows colors to something with less contrast. I am using default XP color scheme and I don't see any traces at all.