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CPU Performance After Delidding

post #1 of 18
Thread Starter 



Hey.

I delided my 4790k and I think I may have broken it.

It boots fine, and my temps are significantly lower... but in games life BF4 and Crysis 3 and The Witcher 3, it stutters like mad. Edit: Basically every game.

I am afraid (I am pretty damn sure) I have broken something and I was hoping you gentlemen could point me in the right direction.

When I was using the razor I bumped one of the little rows of things beside the die, the uppermost right, and pushed it back into place with the razor. Is it possible that this has done something, and if so what?

Is their anything to do to test it or fix it?

Thanks guys.
Edited by mons7er - 8/12/16 at 9:15am
post #2 of 18
Quote:
Originally Posted by mons7er View Post

Hey.

I delided my 4790k and I think I may have broken it.

It boots fine, and my temps are significantly lower... but in games life BF4 and Crysis 3 and The Witcher 3, it stutters like mad. Edit: Basically every game.

I am afraid (I am pretty damn sure) I have broken something and I was hoping you gentlemen could point me in the right direction.

When I was using the razor I bumped one of the VRM's, the uppermost right, and pushed it back into place with the razor. Is it possible that this has done something, and if so what?

Is their anything to do to test it or fix it?

Thanks guys.

Did you delid it while it was still attached to the mobo!??
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post #3 of 18
Thread Starter 
Uh.. No, what makes you ask that?

Edit: I see, the VRM are motherboard components. I do not know what to call the part that I hit with the razor. It was part of a row of small parallel metal bits.
Edited by mons7er - 8/11/16 at 9:53pm
post #4 of 18
Your description of what you knocked free is quite vague. Can you post a photo?
post #5 of 18
Sounds like he nicked one of the capacitors with a razor blade.
post #6 of 18
Quote:
Originally Posted by Kana Chan View Post

Sounds like he nicked one of the capacitors.

They'd just have two connections, yeh? Should be able to get it back in place with care?
post #7 of 18
Thread Starter 
Roger. Will disassemble and post photos.
post #8 of 18
Quote:
Originally Posted by mons7er View Post

I do not know what to call the part that I hit with the razor. It was part of a row of small parallel metal bits.

Surface mount capacitors on the CPU substrate.

A CPU can often work with a few missing, but they also aren't something you can just push back into place. Either remove the one you broke completely or solder it back in place, if it's still in once piece.

There is also the off chance that whatever TIM you've replaced the original stuff under the heatspreader with has a void in it and is leaving part of the die uncooled, which can cause issues even if the temp sensor reports better temps.

If issues persist after removing or reattaching that capacitor and reapplying your TIM, you've likely damage the CPU past easy repair.
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post #9 of 18
Thread Starter 
Quote:
Originally Posted by Kana Chan View Post

Sounds like he nicked one of the capacitors with a razor blade.

Are the capacitors the 2 parallel rows of small metallic bumps beside the raised die?
post #10 of 18
Quote:
Originally Posted by mons7er View Post

Are the capacitors the 2 parallel rows of small metallic bumps beside the raised die?

Yes.
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