Question Gigabyte GA-X58A-UD3R Rev.2 won't completely POST. How to fix?

[Wujozord]

System spec:
Gigabyte GA-X58A-UD3R rev. 2
Intel Xeon X5680
DDR3 Ripjaws 2133mhz
Corsair RM650X
Samsung SSD
GTX 750ti Palit Kalmx

Hello! I decided to change the old thermal paste on the north and south bridge of my motherboard (Gigabyte GA-X58A-UD3R). Unfortunately Threads on the locking mechanism broke so I replaced them with simple bolts and nuts. After that my computer is unable to finish POST. I get one beep out of speaker. Video is showing up, POST starts, but it stops just before the RAM checking. I cleared the CMOS with a button - haven't helped. Tried both Xeon X5680 and i7-930, same situation, tried with different RAMs - still won't work. I even removed the bios battery for night and tried the next day - this won't work either. Any suggestions what could've happend? Did I damage the north bridge? How to check that?

Photos of the debug leds:
https://drive.google.com/file/d/1HrKPTW4vWl0DSbqA7kVl9iXhpSuXTEqb/view?usp=sharing

https://drive.google.com/file/d/16nh6rjEtgsZfJYjBN9006k5ojJ74eopj/view?usp=sharing

Thanks for any help!!!

 

[Fix_that_Glitch]

Was any portion of the pcb of motherboard broken front/back?

 

[Wujozord]

https://drive.google.com/file/d/1V0N7yuGd62WD9-RfqGlKiCWE0ra96guN/view?usp=sharing

https://drive.google.com/file/d/1BXDw3sf4osZBWNpIHM-tQbm_7vkulGdZ/view?usp=sharing

Those are the holes where north bridge cooler was mounted. First one is probably damaged, good call!
I assume this counts as broken. So I should electrically isolate those places and everything should be fine (in theory?)

Thanks a lot!

 

[Fix_that_Glitch]

I don't see any damage really. I would be more concerned about how much the nut and bolt overlaps any portion of pcb that could touch exposed metal or put pressure on the internal wiring of the pcb.

 

[Wujozord]

I've reassembled the heatsink, and tried to boot. No success... One thing that concerns me is that both southbridge and northbridge heatsinks are hot but the heatsink closest to the cpu, that is connected via a heatpipe to the north bridge heatsink is not getting hot. Maybe Iv'e put to thick thermal pads and some components aren't getting the proper cooling. Is that possible in Your opinion?

 

[Fix_that_Glitch]

The cooling would not keep it from posting. DID you remove all the power plugs before you took the motherboard out?

 

[Wujozord]

Of course I did. First I put off the main power supply switch, wait 10s. and pull the plug out. Than all motherboard plugs. Got any other ideas? Or could be the case in which it simply died of old age?

 

[Fix_that_Glitch]

Of course I did. First I put off the main power supply switch, wait 10s. and pull the plug out. Than all motherboard plugs. Got any other ideas? Or could be the case in which it simply died of old age?

I was only asking if plugs were removed to see perhaps to double check all the plugs were reseated fully. I didn't mean to insult you.

 

[Wujozord]

I didin't feel insulted Thanks for help, I have checked all that. Including checking if ram is properly installed and all the power plugs. Seems like it just died. :/