Are my spontaneous Windows restarts caused by a software or hardware problem?

Mira January 23, 2011
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I have an old but trusty PC that started randomly restarting. It can happen once every 10 min. or it’ll work for 5-6 hours then boom. Sometimes it loads back up with the choice of loading Safe Mode or normal, but most times it just goes straight to Windows XP as if nothing happened.

I went into a cleaning frenzy a couple of days ago (happens about once a year:) and opened up the computer and cleaned it with an old toothbrush.

I had some new software installed around the same time. Got rid of that immediately after problems started and ran Malwarebytes in Safe Mode but it didn’t find any infected files.

Do you think I damaged something while cleaning or is it a virus for sure? :(


  1. Aibek
    January 29, 2011 at 11:27 am

    Hi Mira,

    Didi you figure out the issue? Did you find the the recommendations above helpful? Let us know.


  2. Anonymous
    January 24, 2011 at 5:07 pm

    try this uninstall SP2 then reboot, clean windows, then reinstall SP2 again and see if it will help you.

    Sometimes when your CPU becomes hot and if your FAN is old then windows will restart pc to protect cpu.

    Right click My Computer click properties click on advanced tab then click Startup & Recovery Settings

    Under system failure untick Automatically restart I think that should help

    Check out the Event Viewer in the Administrative Tools control panel. If you see some warnings/errors there that may point you in the right direction.

    you can have error like


    If you go to c:/windows you should see a folder called minidumps

    January 24, 2011 at 8:16 am

    Can you pinpoint when it started happening? Did the computer start rebooting after clean up or was it doing before? Was the computer ok after clean up? Did the computer start rebooting after installing new software or before? Does the computer give you any blue screens? Any errors?

    There are many things that can cause this to happen specially after opening the case to to clean. Possible causes are:

    -Power Supply is failing,
    -Cables are loose,
    -memory is failing,
    -memory is not sitting right,
    -software conflicts
    -hardware conflicts
    -corruption in operating system, etc.
    -Screws or metal pieces shorting your motherboard, etc.

    Try this links with some troubleshooting steps, hope it helps: