Potioncat's computer problem (Was: Potioncat's TV screen)

[Carol]

Carol earlier:
> 
> Maybe you need a new video card? Or it could be the settings. How
old a computer and which operating system (Windows version) do you
have (assuming that it's not a Mac)? <snip>

Carol:
Just realizing that it's not your *TV* screen you're having trouble
with, so I'm changing the thread title, probably too late to do any good.

Carol, whose sleep cycle is out of whack and suspects that her brain
is not functioning at peak efficiency!