Question BRICKED MOBO FRIED CPU?

[marquinho]

Bricked MOBO, fried CPU?

All started a few months back. Updated BIOS out of stupidity, something went wrong during the update (it has been a few months so I am not sure what it was, I think it was black screen during the BIOS update that lasted multiple hours and I just restarted the PC). Next boot, no display, PC turned on normally with all fans and RGB on. After trying to troubleshoot for a few days, testing each component (but the CPU) on a different rig I assumed it was bricked MOBO. I tried basically everything that I could find online about this issue, but since everything was working fine before the update and while testing on the other rig, I really couldn't see how any of the other components could be the issue. CPU was also working fine before. During this my MOBO was Asus Prime B450-A.

Mounted my components (but the CPU, since my brother's CPU was the only component that was better than my own) on the other rig (my brother's, since he wasn't using it) and used it until now. Finally, bought a new MOBO, ASUS TUF Gaming B450M-PLUS II. Mounted my PC again with the new MOBO, but same issue repeated down to the T. No display, peripherals lights turn on (keyboard keeps changing light patterns every 10-15 seconds, same as before), all RGB is on and all fans are on. I haven't tried every single thing as I did before, since I find it way too big of a coincidence that the issue is exactly the same, after posting this I will start troubleshooting again.

Can a bricked MOBO fry a CPU? My CPU doesn't have any signs of damage or bent pins. What should I do, and what do you think the problem is?

Components:

ASUS TUF Gaming B450M-PLUS II

ZOTAC Twofans RTX 2080 TI

Ryzen 5 2600

TForce 2x8GB DDR4 3000MHz DELTA RGB CL16-18-18-38

1TB HDD

456GB SSD NVME M.2 970 PRO

Seasonic prime titanium 1100W

(The only things that werent being actively used on the other PC was RAM and CPU, everything else I am 100% sure that is functional). The monitor is also guaranteed to be functional.

Please help, I am so done with this🙁(

 

[Lutfij]

Welcome to the forums, newcomer!

Can you drop the processor onto a know working motherboard with the latest BIOS version or at least a BIOS version that supports your processor? If you don't see bent or broken pins, can you see if there's debris or dirt in your CPU's socket or the CPU's pins?

Out of the box, you should be able able to work with your processor on any B450 chipset motherboard. Which two slots are the rams populating on the board?

 

[marquinho]

Welcome to the forums, newcomer!

Can you drop the processor onto a know working motherboard with the latest BIOS version or at least a BIOS version that supports your processor? If you don't see bent or broken pins, can you see if there's debris or dirt in your CPU's socket or the CPU's pins?

Out of the box, you should be able able to work with your processor on any B450 chipset motherboard. Which two slots are the rams populating on the board?

Ty for your fast response and the welcome.

I don't have any other MOBO to test it on aside from the old one, I also don't have access to the PC where my components were mounted in the period between (old MOBO-new mobo).

Yes, I've removed the CPU and inspected it for a good few minutes, no signs of bent pins or damage. I very gently cleaned it today with a piece of cotton and 96% alcohol, haven't remounted it after that, but it did seem slightly dirty, even though it was apparently really small, in the center square (where there are no pins). The CPU is currently drying.

As for the RAM, I tried it with the 2 sticks in the A2-B2 slots, and tried with each one individually in the B2 slot, as recommended in the MOBO manual, haven't tried to put them in the "1's" slots, but I will on the next boot.

Have you ever heard of a CPU having problems because of a BIOS update? I ask this because from where I stand all this seems really weird. PC fully functional->Failed Bios update->What I thought was a bricked MOBO->All pieces guaranteedly functional and tested on a different system (CPU and RAM not so guaranteed) ->SWAP MOBO and problem persists.

I am very confused by all this, because I can only see a few culprits considering that the problem is exactly the same on old and new MOBO: either CPU is not functional, RAM is not functional or Cable from PSU to CPU is not functional. (I've tried using a different slot in the PSU since it is modular, but it didn't fix it).


Edit: Maybe I should just mount the CPU and try to run it now, but I am waiting to see if there are more suggestions and I am running out of thermal paste. 😅

 

[marquinho]

Welcome to the forums, newcomer!

Can you drop the processor onto a know working motherboard with the latest BIOS version or at least a BIOS version that supports your processor? If you don't see bent or broken pins, can you see if there's debris or dirt in your CPU's socket or the CPU's pins?

Out of the box, you should be able able to work with your processor on any B450 chipset motherboard. Which two slots are the rams populating on the board?

After resitting the CPU problem persists.

I had no DEBUG speaker, but I had a vague idea that I had seen one sometime in the past. Looked around the house and found it! Was happy, but after connecting it to the MOBO got no Beeps (???). Took the RAM out since I suspected the speaker might have been broken as it was sitting around for a few years, as soon as I took the RAM out it produced the RAM error code (3 beeps).