[Ti] Flickering

[John]

> Usually, I would say this is a hardware problem, like the interconnect 
> between the motherboard and the display. However, I am starting to 
> notice brief flickers of the display also, but oddly, it only happens 
> when the CPU is busy doing something or the disk is seeking. I can't 
> get it to flicker by mechanical tapping or slight twisting.

With Photoshop 7 in OS X, when I rotated a layer, my screen would 
occasionally static out - horizontal lines would flicker across the 
screen. This hasn't happened since I upgraded to CS.