My computer wont stay on for more than 20 minutes

my computer turns on but after about 20 minutes it turns off again.....why?
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More about computer wont stay minutes
  1. it seems a psu issue or cpu or other components overheating issue, or a bad overclock (if using)

    use hwinfo32 or 64 (for 64bit os) to check temp
    use prime95 to check stability of cpu and ram
    and use occt to check stability of all components and voltages during stress
  2. truegenius said:
    it seems a psu issue or cpu or other components overheating issue, or a bad overclock (if using)

    use hwinfo32 or 64 (for 64bit os) to check temp
    use prime95 to check stability of cpu and ram
    and use occt to check stability of all components and voltages during stress


    i agree, but i'm concerned it's a psu problem
  3. Prob a PSU issue although I have had same problem before where some of capacitors on my mobo popped and it would do this randomly..
  4. Or over heating issue.
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