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What causes "Overclocking failure" reboot?

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  • Overclocking
  • CPUs
Last response: in CPUs
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October 17, 2014 1:38:08 PM

Fx 8320 @ 4.2GHz
Asus M5A99FX Pro.
Corsair H60 liquid cooler
GSkill 1600MHz DDR3 (16gb)

Followed an overclocking guide found on the internet along with guidance from several threads in TH. Tested in Prime95 for an hour with temps stable at 55C while under heavy load. Normal operating temps range from 25-40C. Everything was running fine for several weeks. Two days ago while playing a game the computer shut down and reset to a screen that said "Overclocking failure. Press F1 to enter setup."

When I pressed F1 it sent me to Bios where it had reset to factory defaults.
I repeated the process to overclock the CPU. This time I have it set at 4.0GHz and everything seems to be fine again. What happened? Is 4.2 mire than my CPU can handle.

Also the temps at the time of the incident where fine. Around 40C while gaming on the CPU and the socket temp was about 50C.

More about : overclocking failure reboot

a b à CPUs
October 17, 2014 1:42:56 PM

What do you have the voltage set to?
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a b K Overclocking
a b à CPUs
October 17, 2014 1:45:57 PM

BrandonCSLC said:
Fx 8320 @ 4.2GHz
Asus M5A99FX Pro.
Corsair H60 liquid cooler
GSkill 1600MHz DDR3 (16gb)

Followed an overclocking guide found on the internet along with guidance from several threads in TH. Tested in Prime95 for an hour with temps stable at 55C while under heavy load. Normal operating temps range from 25-40C. Everything was running fine for several weeks. Two days ago while playing a game the computer shut down and reset to a screen that said "Overclocking failure. Press F1 to enter setup."

When I pressed F1 it sent me to Bios where it had reset to factory defaults.
I repeated the process to overclock the CPU. This time I have it set at 4.0GHz and everything seems to be fine again. What happened? Is 4.2 mire than my CPU can handle.

Also the temps at the time of the incident where fine. Around 40C while gaming on the CPU and the socket temp was about 50C.


Overclocking failure can come from much more than just temps. The motherboard and ram play a huge factor. If you have poor ram and a poor motherboard then your not going to get a good or stable overclock.

As ImDaBaron said, what's the voltage you have it set at? At around the frequencies you are OCing to, It should be at default. At most 1 or two above.
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a b K Overclocking
a b à CPUs
October 17, 2014 1:46:10 PM

Do a BIOS update and see if it solves the problem.
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October 17, 2014 1:59:13 PM

Voltages fluctuate between 1.3 and 1.32. Voltages determined by motherboard as I have that option in bios set to auto.these voltages are seen when I have the CPU at 4.2Ghz. Makes sense because the 8350's stock voltage is 1.3v at 4.0GHz.
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a b à CPUs
October 17, 2014 2:00:14 PM

Why do you have the voltage set to auto?
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a b à CPUs
October 17, 2014 2:06:02 PM

Stable in prime just means your stable in prime, try a range of stress tests, I've had failure in occt and the amd stress test in overdrive but been 'prime stable' if that helps any. I find prime good for thermals though and (maybe out of habit) always try it first.
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a b K Overclocking
a b à CPUs
October 17, 2014 3:11:39 PM

BrandonCSLC said:
Voltages fluctuate between 1.3 and 1.32. Voltages determined by motherboard as I have that option in bios set to auto.these voltages are seen when I have the CPU at 4.2Ghz. Makes sense because the 8350's stock voltage is 1.3v at 4.0GHz.


The voltage itself is fine but that's way too much fluctuation. Try setting it to 1.3 and see if it still changes as much.
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October 17, 2014 3:26:44 PM

My thoughts about "auto voltage" is that the motherboard controls the CPU voltage according to demand. That and every time I try to do it manually I screw things up.
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a b à CPUs
October 17, 2014 3:41:49 PM

BrandonCSLC said:
My thoughts about "auto voltage" is that the motherboard controls the CPU voltage according to demand. That and every time I try to do it manually I screw things up.


Everything I've read the auto voltage always increases it took much. This is why it's better to do it manually.
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