My PC keeps on shutting down due to an "unstable power supply", why is this happening?

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Tom Binns

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Jun 17, 2013
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I recently installed a new Corsair VS 650 PSU and a Palit Jetstream GeForce GTX 770 4gb. My PC has been shutting down randomly and when I boot it up again I get the message:
"power supply surges detected during the previous power on. ASUS anti-surge was triggered to protect system from unstable power supply unit"

This is my current setup:

  • CPU - i5-3570K (Quad core, overclocked to 3.4GHz)
    PSU - Corsair VS 650
    GPU - Palit Jetstream GeForce GTX 770 4Gb
    HDD - 500GB S-ATAIII 6.0Gb/s
    SSD - Samsung EVO 840 120Gb
    Motherboard - ASUS P8 Z77-V LX2

Note: These shutdowns have only happened when I have been gaming.
My previous setup of a GeForce GTX 660 2Gb and a Corsair VS 450 PSU never had this problem.

Is this a problem with my PSU? Can it not handle the system?
Is ASUS anti-surge protection confusing the drain of power when gaming for a surge and shut the system down?
Is my GPU faulty and causing problems with the PSU?
Or, have I just wired up the system incorrectly?

Any help is much appreciated,
Tom.
 
Solution
notherdude
Seems like even ASUS has suggested disabling this feature in BIOS (turn off anti-surge protection in the BIOS) but then again your PSU sounds a tad weak, close call, I'd personally try disabling the feature but there might be some small risk though I doubt it.

edit: sorry, the PSU wattage sounds fine, was reading another post
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notherdude

notherdude

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Jul 18, 2006
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Seems like even ASUS has suggested disabling this feature in BIOS (turn off anti-surge protection in the BIOS) but then again your PSU sounds a tad weak, close call, I'd personally try disabling the feature but there might be some small risk though I doubt it.

edit: sorry, the PSU wattage sounds fine, was reading another post
 
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Solution
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Tom Binns

Honorable
Jun 17, 2013
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Thanks, I'll try disabling it, but if the problem persists I will return the PSU and go for something more powerful like terry4536 suggested.
 
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RKillah

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Dec 3, 2016
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I know this thread is old but wondering if i will get a reply.
How did you get on with this PSU did disabling the antisurge on the motherboard work?
regards
Ryan
 
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