After overclocking my PC starts then shuts off

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A

A Hamburgl3r

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Dec 12, 2011
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Ok so the other day I overclocked my i5 2500k to 4.10 and it ran grate all day and I played arma all day with it but then I was siting at the desk top I was using my phone then go back to my computer and relies its frozen so I look at the time in the bottom left and it said 941 and the real time is 951 so it has been frozen for 10 mins so I shut it off. Then I try to turn it back on but it turns on and all the fans and lights go on for a second then it shuts off and it will keep doing this. I also tried the clear comos thing but no luck. Here are my system specs.

Os: windows 7
Motherboard: gigabyte z68m-d2h
CPU: Intel sand bridge i5 2500k
Gpu: evga gtx 670
Ram: gskill ripjaw ddr3 1600 8gb
Power supplie: rosewill performance 600 w
Also I have a CPU cooler forget the name but it keeps my CPU cool so I don't think heat was an issue

 
Solution
D
Try them 1 at the time obviously. Even a lower wattage PSU should be fine with your GTX 670 as long as you don't try to game. It will be enough to see if it fixes the boot loop.

Also I am glad to help you in any way I can but it really helps me help you if you fully answer any questions I might ask. A newly built computer doing this is more likely bad RAM while an older computer just starting this sort of thing is more likely a failing part elsewhere. So there is a reason for any questions I might ask.

Run memtest overnight if you can get it to boot.
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moulderhere

moulderhere

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Oct 8, 2012
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Take the battery out of the motherboard, unplug the power cable from back of pc. Leave it like this for literally 5 min, like go have a coffee, have sex, something.

Put battery back in, plug in power and turn on the pc. The bios should be fully reset, if it properly posts. If it doesn't, you may have fried something.
 
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D

Deleted member 217926

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Clear CMOS either with the jumper on the motherboard or by removing the motherboard battery for about 15 minutes.
 
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A

A Hamburgl3r

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Dec 12, 2011
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lol after 2 seconds after I made this thread I tried to turn it on again and it worked so I just went into the bios and reset every thing. But I would still like to know why this happened.
 
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Deleted member 217926

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What exactly did you change to overclock? To get an i5 2500K to 4.1Ghz all you should have to do is literally change the multiplier to 41. It should do 4.1Ghz easily on stock voltage.
 
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Deleted member 217926

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As said above clear CMOS. It will default your BIOS back to stock and get rid of any bad settings.
 
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D

Deleted member 217926

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Well that's not a good sign.

umpu.jpg



Sorry, I couldn't resist :p

Ok before you overclocked did it ever do this? Or randomly crash at all? I have a hard time believing a 4.1Ghz overclock on a 2500K damaged anything. How old is the computer?


 
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Deleted member 217926

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How old is the build? Have you ever tested the RAM with memtest? If not do so. You need to let it run 10-12 hours to fully test 8GB.

http://www.memtest.org/

Rosewill sells some really good power supplies. That is not one of them. Do you have a different PSU you can test with? Or a different GPU?
 
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D

Deleted member 217926

Guest
Try them 1 at the time obviously. Even a lower wattage PSU should be fine with your GTX 670 as long as you don't try to game. It will be enough to see if it fixes the boot loop.

Also I am glad to help you in any way I can but it really helps me help you if you fully answer any questions I might ask. A newly built computer doing this is more likely bad RAM while an older computer just starting this sort of thing is more likely a failing part elsewhere. So there is a reason for any questions I might ask.

Run memtest overnight if you can get it to boot.
 
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Solution
A

A Hamburgl3r

Distinguished
Dec 12, 2011
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The build will be 2 years old at the end of December. And I can't even get it too the desktop any more every now and then it will boot and I will bring the bios up then if just freezes. I also just tried to log into windows and I got a blue screen. But I still need to try the other parts later. And thank you for all your help
 
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D

Deleted member 217926

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Using a 400w unit with a GTX 670? Probably the same thing that is happening now. A blown power supply. Luckily the Corsair didn't damage any components when it went. You are always risking destroying other parts when a power supply goes especially if it blows from being overstressed. If it's a good unit with overcurrent protection you would be OK most likely. If the overcurrent protection failed or it is a budget unit without it then you could burn out the motherboard and GPU.
 
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