Is your computer turning off by itself immediately or at some point before the operating system loads? If so, you may be facing anything from an electrical short to a serious hardware issue.

Since there are several reasons that your PC might be shutting off by itself during the boot process, it's important that you step through a logical troubleshooting process!

This process could take anywhere from minutes to hours to solve depending on why the computer turns off so quickly after being turned on.

A beep code, if you are lucky enough to hear one, will give you a very good idea of exactly where to look for the cause of your computer turning off.

Chances are that your computer would not power on at all if the power supply voltage switch is wrong, but an incorrect power supply voltage might also cause your computer to turn off by itself.

Check for causes of electrical shorts inside your computer. This is very often the cause of the problem when the computer powers on for a second or two but then power off completely.

If you do not take the time to troubleshoot the possibility thoroughly you may end up missing a simple electrical short and instead perform costly hardware replacements later on for no good reason!

The power supply tends to cause more problems than any other piece of hardware and is very often the cause of a computer turning off by itself!

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