人人有本用

IBMT30 41U开机，有时兰屏，显示如下：
A problem has been detected and windows has been shut down to prevent damage to your computer.
DRIVER_IRQL_NOT_LESS_OR_EQUAL
If this is the first time you've seent this stop error screen,restart your copmputer. If this screen appear again, follow these steps, check to make sure any new hardware or sofeware is properly installed. If his is a news install ation, ask your hardware software mammfaturer for any winsows update you might need.
If problems continue,disable or remove any newly installed hjardware or software.Disable BIOS memory options such as caching or shadowing. If you need to use safe mode to remove or disable component, restart your computer, press F8 to select Advanced startup option, and then select safe mode.
Technical information:
***STOP: 0×000000D1(0×000000F0,o×oooooo2, o×0000000, 0×82987)
重起后，检测硬盘，无错误，没问题。
说明：
加512M内存。
装XP.
Why?请执教！