Clean Up or Buy New PC?

[Juniper]

Everything looks right in MSIE. Of course I want to use Firefox because it has much better add-ons.

As an example...say, on this site, I can see everything except the background colors. On google, I can see the search box, but not the "google" above it. On some sites I can't see the buttons to submit forms, which makes it interesting, because I have to sort of wave the pointer around till it turns into a hand and hope I'm clicking "submit" and not "self destruct" or something.

Photos I can see. Certain graphic elements, I cannot, and I can't figure out the pattern to it because things work on one site (buttons, etc.) and not others.