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My PC after power on blocks the mouse and keyboard, is it a virus or what? After few second windows freeze and all the keyboard and mouse movement do not works.

I have Windows XP SP3.

How can I solve it?

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Do they start to work again eventually? Are they usb or PS/2? Can you use the keyboard in the BIOS? –  Kyle Jan 21 '11 at 14:55
    
USB devices i guess? –  Aki Jan 21 '11 at 14:57
    
can you get into safe mode? –  madmaze Jan 21 '11 at 15:02
    
@Kyle no the do not work again. they are PS/2 yes in the BIOS I can @Aki No they are PS/2 @madmaze no I can't get into safe mode –  albertopriore Jan 21 '11 at 15:36
    
Hmm very odd I have never encountered a PS/2 keyboard that had this problem... maybe something is wrong with keyboard? –  Kyle Jan 21 '11 at 15:38
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1 Answer

up vote 0 down vote accepted

You may well have solved it already, but a possible cause of your freezing and a solution are outlined here. (If you have XP Pro, that is - you didn't specify.) Worked for me.

(Sorry, I'd link to the but the relevant part is half way down the page. Furthermore, being a newb I can only use one link per post.)

If it's not that then I can't be very helpful; all I can suggest is to run chkdsk or try a system restore.

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