打機畫面有問題

我部機打機有問題..
正常:
http://img151.imageshack.us/img151/6500/91048589qm3.png


問題:
http://img103.imageshack.us/img103/9092/85382453ok0.png

我睇片個D都好正常
只係打機先會咁
唔係只呢隻GAME
其他GAME都會咁樣
點解會咁?
係咪顯示卡問題?
顯示卡:
RADEON 9000 Family (microsoft Corporation)
顯示卡記憶體: 64.0 MB

有咩解救方法?
唔該幫幫我..
多謝。