通风采光分析图:请大家帮个忙吧..

我每次开机后然后再关机的时候系统就不会自动关电源的,然后就出现了以下的提示屏了:
A problem has been detected and windows has been shut down to prevent damage to your computer
IRQL_NOT_LESS_OR_EQUAL
If this is the first time you've seen this stop error screen,restart your computer If this screen appears again ,follow These steps;
Check to make sure any new hardware or software is properly installed. If this is a new installation, ask your hardware manufacturer for any windows up dates you might need.
If problems continue disable or remove any newly installed hardware or software.Disable BIOS memory options such as caching or shadowing .If you need to use safe mode to remove or disable components,restart your computer, press F8to select Advanced Startup Options, and then select Safe Mode .
Technical information.
***stop:0x0000000A(0xB62A2000,0X00000002,0X00000001,0X80501B99)
Beginning dump of physical memory
physical memory dump complete
contact your system administrator or technical support group for further assistance
这个到底是什么上的问题啊，,我不知道该怎么弄好我的电脑.请大家帮个忙..先谢谢拉
啊有权威点的啊,,至少不要重装系统吧 最好是有根有据的,,这样好把问题好好的解决啊 拜托大家的意见现实点那....我的电脑上面有很重要的软件设置和文件啊...如果重装系统的话可能会丢的哦。.我不想冒险啊...请大家好好帮我这个忙啊...