How to Fix a Computer That's Shutting Down
Computers can be quite fickle in operation, and in extreme cases, a user may work on a PC that seems to have a mind of its own by shutting down at random integrals. Fortunately there are several troubleshooting tips you can use to save your computer and increase your device's performance.
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Instructions
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Running the Computer Check Disk Function
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Determine whether you are using Windows XP or Windows Vista. XP users can simply click on the "Windows Start Button" and then go to the "Run" link. Once run pops up type in "CMD" and hit enter which will cause the MS DOS prompt to appear. Type in "CHKDSK /r" which will check for hard disk errors. Vista users need to click on "Start" then go to "Accessories" followed by "System Tools" and then run the MSDOS program followed by "CHKDSK /r"
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Insert your restore CD if errors are found and not fixed by the check disk function listed above.
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Turn your computer off and then back on. You'll be asked to hit any button to boot from your CD; press any key. You will then be asked if you want to install a fresh version of your OS or "Repair" a current copy. Choose the "Repair" option and allow the computer to go through the necessary steps.
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After the repair function has run, turn your computer off and then back on. Wait and see if the computer shuts down again. If it does not shut down, your computer's restore function has fixed the file, which was probably caused by a bad system file.
Fixing Computer Shut Downs Via The Powersource
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Check if your powersource is properly connected inside your computer. Your powersource is the large box that your computer's powercable plugs into. If this connection becomes loose, it can lead to powerdown issues.
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Unplug your power source and plug it back in. Also make sure that the correct power setting "The little red tab on the back of the box" is set to the proper manufacturer's defaults. If you have any doubt what this setting should be, call the manufacturer for assistance.
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Have your power source tested at a local computer store if the issue persists. A computer tech can check for any faults in the power source and tell you if you need to purchase a new power source.
Fix Your Computer With Virus and Spyware Apps
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Download a virus scan if you don't already have one on your computer. "AVG" is a great free option as well as a Spyware App such as Adaware, which can be found at Download.com (see Resources).
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Install both your virus scan and spyware applications by following the simple installation instructions.
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Run both the virus scan and spyware applications and tell the programs to "Heal or Remove" any infections that are found. This should help with shutdown issues if your computer is infected by certain programs.
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Tips & Warnings
Some systems such as ACER computers do not use "Restore CDs"; instead, you can simply hit "Alt" with "F10" at the same time to initiate a system restore.
System restores on some PCs will cause a loss of all information on the C drive; be sure to check with your PC manufacturer before proceeding.
