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Unexpected shutdowns

Last response: in Components
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July 19, 2011 7:09:29 PM

Hi,

Just installed a new 750w psu, about a week ago, the day i installed it my computer shut down like having a power cut. Since then it's done it every day but one, at random times. My system is virtually brand new, and it's not a overheat problem. All ram tests and HDD tests come out fine. I disabled Q-fan and Cool and Qiuet mode in BIOS but it did it again. Can anyone help me out, could it be a faulty PSU, some power problem?

More about : unexpected shutdowns

July 19, 2011 7:15:59 PM

It's a Faulty PSU... What else could make the system shutdown if you didn't OC and it's completely stable with everything...
a b ) Power supply
July 19, 2011 7:30:26 PM

check if your motherboard needs any additional power cables plugged in other than the main cable like a 4 pin connector
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a b ) Power supply
July 19, 2011 10:09:02 PM

what brand of PSU is it? if its a cheap'n'nasty brand they you should replace it ASAP before your computer blows up.
July 19, 2011 11:03:45 PM

mcnumpty23 said:
check if your motherboard needs any additional power cables plugged in other than the main cable like a 4 pin connector

That 4-pin CPU connector would cost it to reboot every 2 second OR you can said 'No Boot"
Cheap PSU dont just cause the system to shutdown IF there's no problem to it... The PSU is faulty or in a bad situation... If it's a Good PSU Like Corsair's PSU and cause shutdown, it's a faulty one OR one of your System part is overheating... Check your Temps in BIOS instead of in OS because OS/Software is off by 2-20*C
!