請問各位大大，請問有關華碩AX1650PRO AGP顯示卡的問題？

CPU：IntelR PentiumR E2220
MB：GA-8I865PE775-G-RH (rev. 4.9)
RAM：創見DDR400 1G*2
VGA：AX1650PRO/HTD/256M/A

原本使用華碩 7600GS AGP顯示卡
送修顯示卡
華碩AX1650PRO AGP
可開機
畫面正常
但是安裝ATI官方驅動
ATI Catalyst? Display Driver 9.8
ATI Catalyst? Display Driver 8.12
ATI Catalyst? Display Driver 8.11
ATI Catalyst? Display Driver 8.10
ATI Catalyst? Display Driver 8.9
ATI Catalyst? Display Driver 8.8
ATI Catalyst? Display Driver 8.7
ATI Catalyst? Display Driver 8.6
ATI Catalyst? Display Driver 8.5
ATI Catalyst? Display Driver 8.4
ATI Catalyst? Display Driver 8.3
ATI Catalyst? Display Driver 8.2
ATI Catalyst? Display Driver 8.1
進入作業系統
畫面馬上變成雪花
很多條直線
請問各位大大有誰知道這是什麼原因嗎？