PC randomly rebooting, can't solve on my own.

Jun 2, 2018
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Hello everyone, my PC has been rebooting on its own for a while now and I've done all that i could think of to fix it. The PC just reboots without warning no matter what i'm doing, I can't figure out what the problem may be. I made a list of events below in chronological order so the situation can better understood.

PC starts rebooting randomly, to the point where it is hard to use for more than 15 minutes straight. The PC has done this before but only occasionally.
The room starts to smell like an electrical fire, coming from the PC.
I took the PC apart completely and cleaned the parts out with an air compressor safely, from a safe distance using a short hose on the compressor.
I put the PC back together correctly ( I do know what i'm doing when it comes to that ) and tried to turn it on....nothing happened.
After trying to turn the PC on for about the 5th time, the motherboard literally caught fire above sys fan 1 and moved up the motherboard. I was quick to stop it but the motherboard was done for.
I replaced the PSU, motherboard, and system fans (just in case)
PC no longer smelled like fire but was still rebooting randomly.
Scanned the PC with Malware bytes, found a virus in the AppDataLocal files that had installed about 30 PUPS.
I tried reinstalling Windows, didn't work
Afterward I completely wiped my hard drive.
The PC started running great again, way faster than before.
After about 7 hours of straight use, rebooted on its own again.
I ran the windows memory diagnostic tool which told me my RAM was fine.
I downloaded Core Temp version 1.11. CPU temps ranged from 44 Celsius to 57 Celsius.

- Also, the PC runs really really slowly after random reboot.

At this point, I don't know what else to do. I'm in serious need of help with this issue. I'll leave the PC specs below.

CPU - AMD FX(tm)-8320 Eight-Core Processor, 3500 Mhz, 4 Core(s), 8 Logical Processor(s)
PSU - APEVIA ATX-VS450W Venus 450W ATX Power Supply
GPU - NVIDIA GTX 1050
8GB of RAM
MB - Gigabyte AM3+ AMD DDR3 1333 760G HDMI USB 3.0 Micro ATX Motherboard GA-78LMT-USB3
Windows 10


Let me know if you need anymore information regarding the PC itself. Thank you for reading.

UPDATE - Every time the PC reboots, this error seems to pop up in event log.

A fatal hardware error has occurred.

Component: AMD Northbridge
Error Source: Machine Check Exception
Error Type: 11
Processor APIC ID: 0

I also get this right before the error above.

The computer has rebooted from a bugcheck.
The bugcheck was: 0x00000124 and so on. Each bugcheck starts with 0x00000124 but has different things afterward.

Please help. It is much needed. Thanks for reading.


 
your cpu and gpu are power hungry that 450w unit to low and cheap for a gaming rig should be a 600w or larger unit. if you can rma the old unit or get your money back look at seasonic 620w units. if with a better power supply the rig still shutting down there can be another bad part that shorting the pc out. as there was a fire with one of the fan plugs i would pull the fans one at a time see if the rig stays on.
 
Jun 2, 2018
4
0
10

Thank you for the reply. I will replace the PSU as soon as possible and let you know how that works out.
 
Jun 2, 2018
4
0
10


Swapped out the PSU for a decent seasonic 620w unit. Also reapplied thermal paste to the processor after cleaning it. PC still reboots. It was running fine for a while but rebooted again. At this point, many of my parts are new as I’ve been replacing them due to the issue. New Mobo, PSU, Case fans, and the GPU is only a few months old. Please help if you can.
 

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