Stupid grapchic problem

[UnDeRlOrD]

When i play wolfensstine ET on my pc the map turns invisible and when ever i move my mouse little parts of the mapp appear. Like when i look around the whole map turns grey.

How do i fix this

[Dazzamac]

A little more info please, whats your system specs?

[Nail]

first thing to do is make sure vid drivers are up to date

[pringles1942]

Yeah, I would recommend if you can get the latest version of DirectX. Not 10, because that sucks and won't work very well. Vista sucks, stay with what you got. In fact DX10 won't run on XP at all.