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PC keeps turning on and off

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  • Systems
Last response: in Systems
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September 19, 2013 5:11:02 AM

Hello,
When i try turning on my pc it keeps turning off, and then try by itself to turn on again several times. After a few tries it manages to power up. I tried disconnecting every device and it turns out that when i remove ram it turns on at once(even with all the other devices connected) and the mobo does the memory beeping signal.
What could be causing this problem?
PC:
pentium g2030 http://ark.intel.com/products/74749/
asus Asus P8H61-M LE/USB3 http://www.asus.com/Motherboards/P8H61M_LEUSB3/
ram kingston khx1333c9d3b1/4g
old 500W psu

... Just tried to turn it on, it keeps doing the same thing for half an hour . HELP!

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September 19, 2013 10:22:32 AM

Hi, Can you test different power supply?
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September 19, 2013 10:52:40 AM

Yes ive tried 3 different psu including a 400w bronze and nothing different happens... I also cleared CMOS and it turned on but when i turn off my pc and try turning it on again the same thing happens. Also checked socket for bent pins, im not that experienced i dont think there was a problem there.
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September 19, 2013 11:22:50 AM

Try starting the board outside the case, single RAM stick installed, no HDDs or DVDs, only a bootable USB drive connected to a USB 2.0 port. If still the same, I would RMA the board.
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September 19, 2013 1:33:21 PM

Overheating can also cause sudden shut-offs. Ensure the pc and fans are clean, airvents are not blocked, and fans are all spinning. If the PC will boot and stay up long enough, install temperature monitor software.
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September 19, 2013 3:27:02 PM

Guys thank you for your answers. It turns out that i had to update my bios to the latest version. Works perfectly now.
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!