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CPU blown up

Definately try a new PSU, or disconnect everything bar one fan from the PSU and short the green and balck wires on the 24pin connector to see if the PSU powers on for long enough.
 
That comment was in regards to the expert.

As always seems to be the case with these "experts" they don't know as much as they like to think they do.

Did you read the whole thread? He narrowed the problem down to either the CPU or the motherboard. I've only tried a new CPU so far so he could still be right.
 
Definately try a new PSU, or disconnect everything bar one fan from the PSU and short the green and balck wires on the 24pin connector to see if the PSU powers on for long enough.

It's not the PSU. I've tried a spare PSU and it still powers up and then powers down after 3 seconds.
 
Have you tried what wazza has said? Bios may have screwed, just need resetting?

Hope you didnt pay for the 'expert advice'?
 
My old gigabyte EX58-UD5 board would go through a few reboot cycles before it actually booted whenever I changed the bios settings, after a couple of shut downs it would eventually decide everything was ok and boot. RAM was also a major cause of boot issues for me and would send it into a reboot loop so try it with just 1 stick of ram in slot 1 and see if that helps. I'm not familiar with your motherboard exactly but does it have the red LED display on the board? It will cycle through a few codes when booting and will generally tell you where the problem is.

It could also be overheating due to the heatsink not being seated correctly. Only takes one of the plastic pins on the stock cooler to not be clipped down properly to make the PC shut down after a few seconds.

If its none of the above then its likely the motherboard. I find it pretty unlikely that you've managed to damage anything just be removing and cleaning the CPU though. Unless you accidently got some conductive TIM into the socket somehow.
 
The best thing we can suggest is to reset the cmos (see motherboard manual for details). Then, unplug all peripherals and just have the motherboard running with nothing but the CPU. The aim will be to try and get it to beep. Then start adding in the RAM, GPU, etc.

If it's not beeping at all we need to try something to encourage to do so, at least so we have a starting point.
 
I had a expert diagnose it and he narrowed it down to the motherboard or CPU.

I noticed the CPU temps were really high 90c+ so I took the heat sink off and cleaned off the old compound with a tissue and come rubbing alcohol and then re applied some fresh compound. When I plugged the CPU back in and attached the heat sink, the PC booted up for about 3 seconds and then powered down again and kept doing this over and over again.

I took it to a guy down the road that does PC repairs and he said I've probably fried the CPU when I took it out.
That's where all the pc experts are

also it doesn't take an expert to tell you that I would expect an expert to test another cpu in the board or another board in the cpu actually I would expect almost anyone on this forum to do just that

it may sound stupid but unplug the psu connections to the motherboard and plug them back in you might have knocked one a bit loose or something
 
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Hope the expert has given you a refund now you have ruled out the CPU!

he didnt charge me a penny. It was taken from me on a no fix no fee basis. He was kind enough though to tell me he had narrowed down it wasn't the hard drive, ram or PSU and suspected when I had taken the CPU out its likely that was it or when I blasted the board with a can of air that might also have damaged something.
 
The best thing we can suggest is to reset the cmos (see motherboard manual for details). Then, unplug all peripherals and just have the motherboard running with nothing but the CPU. The aim will be to try and get it to beep. Then start adding in the RAM, GPU, etc.

If it's not beeping at all we need to try something to encourage to do so, at least so we have a starting point.

Will try this as well and update with a full report. Thanks for the suggestion!
 
I spent a week with a problem like this, it eventually turned out the power switch was full of dust and was being held in when i turned the pc on...thereby telling the pc to turn off again; I was a bit p*ssed at the time wasted.
 
When you do the CMOS reset, do it with just one RAM stick in the first slot. Then if that doesn't work, replace it with the other RAM stick and see if it will boot properly.

If it is bent socket pins, i wouldn't know how to solve it apart from replacing the board. Bent CPU pins on phenoms and FX CPUs i have fixed by sliding a credit card through to straighten them. Don't know if that works on the Intel sockets, id imagine it would. If the board is broken, you don't have much to lose i suppose.

My money is on a sketchy power connection between motherboard and PSU or messed up BIOs.
 
When you do the CMOS reset, do it with just one RAM stick in the first slot. Then if that doesn't work, replace it with the other RAM stick and see if it will boot properly.

If it is bent socket pins, i wouldn't know how to solve it apart from replacing the board. Bent CPU pins on phenoms and FX CPUs i have fixed by sliding a credit card through to straighten them. Don't know if that works on the Intel sockets, id imagine it would. If the board is broken, you don't have much to lose i suppose.

My money is on a sketchy power connection between motherboard and PSU or messed up BIOs.

Bent socket pins are really hard to sort out, but it can be done. I use a wooden tooth pick and a magnifying glass, though you're still going to go boss eyed any way :D

The wood tends to grip them quite well.
 
he didnt charge me a penny. It was taken from me on a no fix no fee basis. He was kind enough though to tell me he had narrowed down it wasn't the hard drive, ram or PSU and suspected when I had taken the CPU out its likely that was it or when I blasted the board with a can of air that might also have damaged something.

hope you know hold to use one of those cans properly so all that comes out is air

Did you use an anti static strap when removing, cleaning and reinserting?

do you? I have never ever used one but then again I don't go rubbing my feet across the carpet or rubbing a balloon against my hair before I touch the pc

the risk of static killing your pc is likely smaller than anything else that could as long as you use common sense.

I've never had surge protector either and the only thing to ever die on my are HDD's and dvd drives
 
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Bent socket pins are really hard to sort out, but it can be done. I use a wooden tooth pick and a magnifying glass, though you're still going to go boss eyed any way :D

The wood tends to grip them quite well.

I saw a fix on the motherboard forum last week. I cant remember who it was or how he fixed it but the before and after picture looks so impressive, like it was never bent in the first place!
 
When you do the CMOS reset, do it with just one RAM stick in the first slot. Then if that doesn't work, replace it with the other RAM stick and see if it will boot properly.

If it is bent socket pins, i wouldn't know how to solve it apart from replacing the board. Bent CPU pins on phenoms and FX CPUs i have fixed by sliding a credit card through to straighten them. Don't know if that works on the Intel sockets, id imagine it would. If the board is broken, you don't have much to lose i suppose.

My money is on a sketchy power connection between motherboard and PSU or messed up BIOs.

Tried this and still no joy. Same issue is occurring.
 
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