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Computer shuts off randomly after use. Must flip PSU switch for it to come back on.

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February 13, 2014 7:10:02 PM

New build for a friend, so the parts have no use and are dust free. Like I mentioned, pc works for about an hour then the system shuts off. PSU switch must be flipped to turn back on. He says it's randomly and not just when under load. CPU and GPU temps seem to be fine. Is the PSU just a dud or is there anything else that could be causing this?

CPU: AMD FX-6300 3.5GHz 6-Core Processor
Motherboard: Asus M5A97 R2.0 ATX AM3+ Motherboard
Memory: A-Data XPG Gaming Series 8GB (1 x 8GB) DDR3-1600 Memory
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive
Video Card: Gigabyte Radeon R9 270 2GB Video Card
Case: Rosewill CHALLENGER ATX Mid Tower Case
Power Supply: Corsair Builder 500W 80+ Bronze Certified ATX Power Supply

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February 13, 2014 7:50:37 PM

do you have another psu around to test the system ?
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February 13, 2014 7:57:50 PM

scout_03 said:
do you have another psu around to test the system ?


He might have one from an older system but it would probably be underpowered.
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February 13, 2014 8:00:05 PM

that will help to find if it is the psu or something else on the system .
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February 27, 2014 8:49:20 PM

Any updates on this?
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February 28, 2014 7:21:59 AM

Update: He replaced the PSU with a new one and everything is running smoothly. That was what I suspected it was. Thanks for the help guys!
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