电恼启动不了,请帮帮忙看看,先谢谢

那天关了机后就起动不了,电源灯及显示器灯都亮,机子是W.XP的,台式,一开开关就出来这一大篇字,如下:

We aplogogizefor the incomventience,but windows did not start successfully. A recent hardware or software change might have caused this.

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Safe mode

safe mode with networing

safe mode with command prompt

laste knowing...........

start windows normally
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这几个MODE,偶一一都试了还是起动不了~~~这是出啥状况了?