Swapped heatsink now boot loop plus more

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Feb 22, 2014
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I removed the stock cooler off the cpu and installed a new dark rock pro 3 cooler. After installing and booting the Pc this is what happened:

Pc turned on and gigabyte screen came on the monitor and said: bootable drive not detected

The Pc than turned itself off than back on and came up with: your pc did not start correctly, diagnosing pc. (Something like that) after the Pc shut down again it constantly goes through post loop.

I can not access the bios or anything, after around 3 loops it goes to a blue gigabyte screen that says: gigabyte uefi. It than shuts down immediately after that and through the loops again. The cpu fan constantly starts up than stops and starts than pc shut down.

I tried:
Seating of the ram
Swapping ram
1 stick of ram in all slots
Clearing cmos
Reseating gpu and removing gpu
Disconnecting all cables and trying one at a time

Lastly I figured I would remove the cooler and remove the cpu. So after removing the cpu and looking closely I can see what appears to be a bent pin. I am not sure exactly how this happened as I never removed the cpu after taking the stock cooler off unless it was already slightly bent and the fixing of the heavy dark rock cooler and tightening in place caused it to be worse.

Long story short.. I found a bent pin but would it cause those different events? From booting and saying no bootable drive to trying to repair than to constant loop?

My sons pc specs:
Gigabyte z77 dh3 mobo
I7-3770k cpu
16 gb gskill ram
Ocz zx 1000 psu
R9 290x vapor x 8gb
Ocz vertex 460a ssd
Darkrock pro 3 cooler
Thermaltake chaser mk1 case

Any help would be appreciated.
https://imgur.com/YnGMUDP
https://imgur.com/Tm4tdWV
 
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Paul_106

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Feb 17, 2016
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The only think that I can think off is that your hard drive is not connected properly.

Can you get into the bios?

If you can get into the bios check to see if the drive is being detected as it might have gotten loose.

Another possibility is that your were not grounded properly during the installation of the new cooler, causing something to short.

A bent pin would also most likely not let the computer boot up at all.
 
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I can not access the bios at all, the continue posting will not allow me to get in.

I thought the ssd could of been the issue and that's when I disconnected everything and reconnected.

A short is definitely possible but I am not sure.
 
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Paul_106

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If fixing the pin doesn't solve the issue, I would test the hard drive with an external adapter, and if that is OK, I would probably get a new MOBA.

I noticed that you have a modular PSU. Maybe double check all the wire are connected properly.
 
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The ssd was brand new out of package and the Pc was running up until I swapped the cooler. Maybe it died but will check it if the pin fix did not fix it.

I also have a spare psu that I could test as well.

Thank you. Will give these all a try and keep posted
 
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I just brought the mobo downstairs to test on a known working psu, different hdd, different sata cable and ports and stock cooler and straightend pin.

Same problem, constant post loop. No change.

Going to say the mobo is cooked.
 
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Arkstar

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You may have cracked some of the solder when putting on the heatsink. If you are fine with losing the board but want one last chance, i once heated a motherboard in the oven, let it sit overnight to cool, and it worked! What i'm saying is if you're fine with losing the board but you want one last chance to fix it, i would bake it in the oven. Make sure the remove the CPU, ram, graphics card, etc. Here's a guide if you want to do it: http://www.computerrepairtips.net/how-to-reflow-a-laptop-motherboard/ Just make sure you have truly nothing to lose before you bake you mobo.
 
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Paul_106

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Before you decide to put it in the oven make sure you are not under warranty. Baking it might work, but it could also just make your entire house smell like burnt silicon. Again, it might fix the issue but I would check the warranty now.

 
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Definitely do not want the house to smell, since I narrowed it down to the motherboard there is still one thing left. The cpu.

How do I know it's not the cpu and not the motherboard? Other than trying in another motherboard.
 
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Paul_106

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Feb 17, 2016
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That's the only way unfortunately.
 
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I followed the bake procedure today and just finished trying it.

Pretty much the same boot loop except I now see the gigabyte screen that says press f9 bios etc for about 2 seconds before it goes to the blue gigabyte uefi scrwen for 2 seconds than shuts down.

So no fix unfortunately. This mobo has been extremely hard to find locally in Canada. For a lga1155 people want a fortune. $200
 
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