急救~進不了圖形介面(轉)

急救~進不了圖形介面(轉)[@more@]輸入startx後

錯誤顯示如下:
(==)Logfile:"/var/log/XFree86.0.log",Time.........
(==)Using config file:"/etc/X11/XF86Config"

(ww) RADEON: No matching Device sectin for instance (BusID PCI: 1: 0: 1) found
(EE) No devices detected

Fatal Server eeror:
no screens found


我的機器是華碩的M9V ,顯示卡是ATI X600的

請問要怎麼解決這個問題(我是新手,謝謝)