Have I broken my 2500k?

Pknite

Pknite

Pknite

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Joined
22 Jul 2011
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8
I was trying higher turbo multipliers and ran 44 45 46 47 48 49 but then when I tried 50 my pc refused to start and would just turn on and off every 5-10 seconds.

I then took the battery out of the mobo to reset the bios and changed the multiplier back to 46 which bsod on boot, I then did 45 and that bsod as soon as I started prime95 as core 4 failed.

Right now I have been using it on 4.3 which it is stable on.

I was thinking maybe my 650w power supply wasn't enough and my chip fried or the bios changed from what it was before when I got it and it doesn't like it.

Thoughts?

My PC
http://www.overclockers.co.uk/showproduct.php?prodid=FS-176-OE
ATI 6950 2GB
30GB SSD
8GB Ram
 
You upped the multiplier but you didn't say you pushed the voltage too. That could be the reason. Upped the voltage to 1.4 and try again.
 
Ok I tried 1.4v on 46 multiplier and it won't start up it turns on then instantly off then turns on and gets to bios screen then turns off and repeats.

Not only this I took the battery out to reset the bios like before and it still does it, I really think I have broken it. Help me please?
 
if it POSTs its not totally dead, load setup defaults if you can get into the BIOS

if you cant, look into your motherboards manual, it usually isn't just taking the battery out that you need to clear CMOS, sometimes you need to hold the power button down and sometimes there's a button or a jumper on the motherboard that you need to press/short.

good luck, hope it still lives
 
You won't have done any damage to the chip simply by upping the multi to that level, unless it was damaged to begin with. Give CMOS a proper clear, boot into BIOS defaults then is everything is working at stock speeds, try again.
 
ScratchFive said:
if it POSTs its not totally dead, load setup defaults if you can get into the BIOS

if you cant, look into your motherboards manual, it usually isn't just taking the battery out that you need to clear CMOS, sometimes you need to hold the power button down and sometimes there's a button or a jumper on the motherboard that you need to press/short.

good luck, hope it still lives
Click to expand...

Do what ScatchFive said above.
 
Moothead2 said:
Shouldn't there be a profile in the Bios called Overclockers or something since it's an OCUK OC system?
Click to expand...

No, you create your own profiles, unless it was sold as an overclocked system

EDIT: sorry I just realized that it was sold already overclocked lol
 
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Why oc a system that has a pretty good clock done for you?:confused:

Should have an overclock profile in your BIOS that OCuk put there for your build.
 
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When I got it it was running on standard settings turbo wasn't even activated so as I didn't really want to have to send it back to newcastle to get it done so I did it myself using the guide on these forums.

I have tried reverting to cmos using all the above methods and it only shows the bios screen for a second or two before turning off.

I guess something is dead but what?
 
Pull the battery, leave it out for an hour. And also reset the bios using the motherboards jumper.

And unplug it from the wall socket first.

Try it this way and see what happens.
 
Already did so but will try again, what does it mean if it doesn't start and cmos won't reset?

Fried motherboard, I successfully reset the cmos before by taking the battery out for just 1 minute so why would it be different now?

I appreciate the help
 
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Yes. On auto and depending on the chip, at a 50 mult it will pull way more than 1.5v. You probably killed your processor.
 
Just so you know when you get it working again, the computer will have shipped from OCUK with preset overclocked profiles in BIOS, so you don't need to do it yourself. Just load up the 4.6GHz profile that they created for you and you're good.
 
I very much doubt you killed the processor, I'm sure it would have shut it's self down before any harm would come to it.
 
robin66 said:
I very much doubt you killed the processor, I'm sure it would have shut it's self down before any harm would come to it.
Click to expand...

What's that based on? Is there a function to "shut down" a processor if the voltage is of a dangerous level? We're not talking about a heat issue where this would happen after all. If the only thing this guy has changed in BIOS is his multi and left it on auto voltage, I can't see there being anything else wrong given that BIOS won't even remain operating after a few seconds.

OP, just reading back through the post and you're saying quite a few conflicting things. First you're saying that it can boot and run windows fine at 4.3, then you're saying that it cant even load BIOS. Which is it? Confirm that you have actually reset BIOS defaults (usually F5)? Can it load windows at default settings?
 
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