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Strange problem with overclocking

bobdole

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#1
I tried overclock my board then my computer shut down after "starting windows" screen (where the four color form to MS symbol).
I reset CMOS then it booted fine. But every time I tried overclock in BIOS then the problem happens.
It's really weird because I can overclock (using the overclocking tool from Biostar) in windows mode when I reset CMOS, but I want to change settings using BIOS.
Any ideas?
 
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#2
Hi,

Are you sure that the overclock that you're able to do using utility is stable ? Have you stress-tested it ?

It's also possible that effective clocks/voltages are different when you overclock from BIOS.
What settings are you changing in the utility and in the BIOS ? The result may not be the same.

Cheers,
 
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#3
Yep sounds to me like your overclock is not stable.

What clocks are you trying to achieve?
 

HammerON

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#4
That was what I was going to ask!
 

bobdole

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#5
Nothing out of range just around 3.2ghz. I can overclock that much in windows mode but computer won't boot even if I'm at 2.7ghz in BIOS. Kinda frustrated me.
After a week of messing around, I found out that it's my power supply is the culprit. Swaped the enermax Galaxy for a 550w power supply and I can change settings in the BIOS no trouble.
But the weird thing about this is I don't how a power supply could cause the problem I have right now? Anyone knows why?
 
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#6
It still sounds like an unstable OC, like the others said. You need to recheck your BIOS speeds, timings and voltages.