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Broken CPU.......I Think

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  • CPUs
  • Computers
Last response: in CPUs
March 28, 2012 6:26:54 PM


Ok, Hi everyone.

My brother is upgrading his computer, and he asked for my help doing so, and he ordered a new one today, so all is going well with that.

In the meantime, he wanted to use the family computer in his room, seeing as how mine is now downstairs while I'm staying at home for a few weeks.

He took the family computer (my old computer) to his room and plugged everything in, and after a few moments, he said it completely froze and shut itself down. Now every time we try to start it, the fans all start, the lights on the mobo turn on, but nothing happens after, no beeps, no display. After about 5-10 mins it just shuts itself down.

Now, my first thought was that the graphics card had stopped working, so I switched the graphics card to a really old computer we had lying around to see if it was the GPU, but it was fine. (There is no on board graphics card on the family computer)

After I that, I tried resetting the mobo by removing and replacing the battery; still not working.

I tried the PSU of the broken family computer, in the really old one to see if that was the problem, put the PSU was fine.
I tried testing all the RAM, but that all works.
I then tried switching the CPU of the broken family computer (both have the same socket, LGA 775), into the old one, and now the old one wont work, with the same symptoms. So I figured it must be the CPU, but when I put the old one back together with its original CPU, that stopped working as well, with the same symptoms as the broken family computer.

I also tried the old computers CPU in the family one, thinking that it should now work, but it still didn't.

So is it possible, that the motherboard on the family computer has been damaged by the CPU that was in it, and when I tried the family computer's CPU in the old computer, it damaged the motherboard of the old computer as well?

Both of them are now not working with the same symptoms.
Do you think the CPU damaged both motherboards? Could that happen?

Thanks for any help with this, sorry for the slightly long post, just trying to get to the bottom of this! I've spent most of my day switching parts in and out of computers, and i'm getting very tired of it.

Any help/suggestions will be much appreciated!

Thanks

Jamie

More about : broken cpu

a c 323 à CPUs
March 28, 2012 9:38:52 PM

Thats the same logic I would use so yes, you now have 2 dead motherboards.
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March 30, 2012 1:02:59 PM

Yeah it really sucks. I've ordered a new motherboard, so I'll find out soon enough
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a c 323 à CPUs
March 30, 2012 10:24:27 PM

Trade ya problems, I got 6 dead 2Tb hdd's :( (
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April 6, 2012 12:17:29 AM

Turns out it was the processor.

Stuck in the new motherboard today with the old processor, and booted up first time.

Now, what to do with £350's worth of broken processor...

Cheers
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July 10, 2012 5:33:15 PM

Hey Jamie, could you elaborate on that. I actually ran into a similar problem with using a working computer b to diagnose a problem with broken computer a. I put cpu a into motherboard b and got the same problem as computer a but when I put cpu b back in motherboard b, it's not working with the same problem as computer a. Just to make sure I didn't mix up what computers you were talking about, in your case, did replacing cpu a fix computer a and replacing motherboard b fix computer b?
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July 11, 2012 6:32:47 PM

al_r said:
Hey Jamie, could you elaborate on that. I actually ran into a similar problem with using a working computer b to diagnose a problem with broken computer a. I put cpu a into motherboard b and got the same problem as computer a but when I put cpu b back in motherboard b, it's not working with the same problem as computer a. Just to make sure I didn't mix up what computers you were talking about, in your case, did replacing cpu a fix computer a and replacing motherboard b fix computer b?



My problem was that CPU A somehow got damaged and fried motherboard A, so when I tried CPU A in motherboard B (when I thought the motherboard was the problem) CPU A fried motherboard B as well.

So I had one broken CPU, and now two broken motherboards.

I replaced the motherboard in computer A and used the CPU from computer B (same socket)

The only way to fix computer B would be to buy a new motherboard and CPU, which was completely pointless for me so I binned the whole thing.

Hope this helps and Good Luck!
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