Computer keeps shutting off when I turn it on?

Solution
Could be a bad PSU, or a disconnected cable somewhere. If your mobo has a debug LED light, look at the light when you boot up the PC. It should display a series of codes, then "AA" if it successfully POSTs. It'll stop on a code if something goes wrong.
If your mobo doesn't have a debug LED, it has a speaker. The speaker should come with your motherboard. Plug it into the front panel connectors where the "speaker" output is. If something goes wrong during POST, the computer will beep a certain amount of times to indicate what's wrong.

IwinFTW

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Feb 8, 2013
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Could be a bad PSU, or a disconnected cable somewhere. If your mobo has a debug LED light, look at the light when you boot up the PC. It should display a series of codes, then "AA" if it successfully POSTs. It'll stop on a code if something goes wrong.
If your mobo doesn't have a debug LED, it has a speaker. The speaker should come with your motherboard. Plug it into the front panel connectors where the "speaker" output is. If something goes wrong during POST, the computer will beep a certain amount of times to indicate what's wrong.
 
Solution