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Performance mode reboot loop - PSU Issue? (HX850)

November 15, 2012 12:58:46 PM

I'm having an issue with my new build where when I choose Performance mode from the BIOS options, the system enters a restart loop. It happens continuously until I bring it back into normal or energy saver. I removed my video card and it seems to be booting fine in performance mode (have done about 10 cold boots without any looping occurring). Does this point to the power supply? I'm using a semi-modular Corsair HX850.

Anyone with any ideas on the best way to diagnose this? Windows boots and runs fine from normal and energysaver (with video card).

I'm also running memtest 4.20 and everything seems to be checking out ok, so I don't think it's a RAM issue.

I found someone having a similar problem in the Asus motherboard forums:

Problem: When i set computer to performance option in bios computer restarts multiple times, randomly turning off every 1 - 10 seconds before finally booting after 5-10 restarts.

If set option to normal computer restarts once before going back to normal.

I have tried with and without graphics card, seems to happen less often without graphics card installed.

My Specs:
Corsair HX850 power supply
i5 3570 @ 3.4 (No overclock)
Asus p8zz7-v pro
16gb Corsair CMZ16GX3M2A1600C10B (2x8gb)
Corsair H100i cooler
Gigabyte gtx670 graphics