Computer keeps freezing (loud screeching noise too)

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1

So my computer has been doing this for a while, I thought I would go away but I didn't.

Probably 1/6 times now when I boot up my computer, at some point my computer would freeze and a loud screeching noise would come through my speekers/headphones. I don't know what causes it, nothing in particular seems to trigger the crash - it just happens at random. Although sometimes my computer would just freeze and no screeching noise would occur. I don't get any black, grey, white or blue screens - everything just locks up.

When I do a hard reset after the crash, my computer doesn't immediately restart like normal - it switches off for about 2 seconds and then starts up.

My CPU temperatures are fine, they never go above 65 degrees under load, and my GPUs never go above 90 degrees under load.

 

My Specs:

Motherboard: Asrock p67 extreme 4

PSU: Coolermaster GX 750W 

CPU: Intel core i5 2500 w/ boost @ 4.1ghz

CPU Cooler: Coolermaster Hyper 212 EVO

RAM: 12gb (3gbx4) 1333mhz (forgot what brand it was)

GPU: 2x PowerColor Radeon HD6970 in crossfire

HDD: (3.5" SATA) Seagate Barricuda - 1TB

 

Please, someone help me troubleshoot the problem!

 

Thanks in advance for any respnses :)

 

2

If it helps to know ,there's about 300gb of space left on my hard drive right now.

3

Are you positive the CPU overclock is stable? Could you post the settings from the BIOS?

 

4

"Are you positive the CPU overclock is stable? Could you post the settings from the BIOS?"


The freezing accoured even before I recently oc'd the cpu.

But all I did was put the mulitplyer up to 41 and left everything else on auto.

5

Check your RAM sticks, take one out and boot, then if it doesn't crash run Prime 95 for like 12 hours and see if it crashes, if not try your other stick. Here's a good video about it. https://www.youtube.com/watch?v=NZhHlX6JMvg&feature=plcp

6

Man, that's a real time consuming process - I wanted to avoid doing that, but I guess I should.

7

[quote]The freezing accoured even before I recently oc'd the cpu.

But all I did was put the mulitplyer up to 41 and left everything else on auto.[/quote]

You should increase the Vcore as well as thowing the multiplier to 41. But don't increase it too much from where it is originally. I did this when I tried to stabilise my i7 930 overclock. Increase the voltage more (Vcore, VTT), then bring it down by a pint till the OC cannot maintain with lesser voltage.

But if that doesn't concern you, you might as well check for faulty DIMMs.