花千骨场景:windows xp开机蓝屏

XP开机后出现蓝屏,出现以下内容,不知道为什么请高手指点. A problem has been detected and windows has been shut down to prevent damage to your computer UNMOUNTABLE__BOOT__VOLUME If this is the first time you`ve seenthis stop error screen restart your computer. If this screen apprars again follow these steps: check to make any new hardware or softwareis properly installed If this is a new installation,ask your harchware or software manufacturer. for any windows updates you wight need If problems cintinue disable or remove any newly installed hardware or software Disable BIOS memory options suchas caching or shadowing If you need to use safe mode to remae or disable conponents restart your conputer press F8 to setect Advanced startup options and then select safe mode. Technical in formation: *** STOP:0x000000ED(0x81FD2900,0xC0000185 0x00000000 0x00000000)