(1)Finder->”apple_logo”->about this mac->more info->graphics/displayer->记录好 Devices ID”
(2)运行Terminal
(3)输入：
sudo pico System/Library/Extensions/ATIRadeonX1000.kext/Contents/info.plist
(4)密码
(5)ctrl+w
(6)输入：
IOPCIMatch
(7)在<key>IOPCIMatch</key>下的
<string>0×71461002 0×71421002 0×71091002 0×71C51002 0×71C01002 0×72401002 0×72491002</string>

把<string>与</string>之间的数值删除，然后加入您刚才记录好的数值。（如我的ID为7145，就变成0×71451002，如下）

<string>0×71451002</string>

(8)ctrl+o
(9)enter
(10)ctrl+x
(11)继续在Terminal里面输入

sudo rm -rf /System/Library/Extensions.*
diskutil repairpermissions /

(12)重启