Random Reboots and rare BSOD's

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rwood6382

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Jan 7, 2015
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So in august of 2014 i built a custom desktop.

Specs
Motherboard: MSI 970 Gaming
GPU: Asus Nvidia Geforce GTX 750ti
PSU: EVGA 600B 80+Bronze
CPU: AMD FX 4200 (installed 212 hyper evo within two weeks of build)
SSD: Crucial 258GB (os)
HDD: Western Digital Blue 1TB (games and data)
CD drive: some random LG off my old comp along with a card reader from that same comp
Case: probably irrelevant but its a thor V2 from rosewill
RAM: random 2x4GB 1333 from old computer

This build worked great for about a month until i started getting random reboots. No BSOD from these reboots, the computer would just shut off and reboot giving Event ID 41 Kernel-Power. These reboots could come while gaming, launching my browser, or simply when i hit enter to log in after a reboot. After i started getting the random reboots i upgraded my cpu to an AMD FX8320. And after fighting the reboots for two weeks i redid the cable management in the back of my computer adding an 8pin cpu power extension and pulled all the cables off the exposed back of the motherboard and everything worked great.......for two months. Then randomly out of the blue they started again. This time i thought i might have a faulty power supply so i replaced the EVGA600B with an EVGA G2 750W 80+gold. This seemed to work for a day then the reboots were back (this time with a random BSOD thrown in rarely). I also added a corsair h100i at this time. I have no idea what to do and am seeking out help. I've read tons of threads on this issue and tried everything, from changing hibernation settings to re installing windows 7. The only things i can think is that the ram or mobo is bad. I do have new ram on the way ( trying to get old computer back together so i can sell it as a whole) and if that doesnt work i guess its new mobo time. If anyone has any ideas to help it would be much appreciated.

Thanks
 
The next time a BSOD happens ill be sure to post a picture and as far as flashing my BIOS i have no idea what that means or how to do that.
 


Yeah not knowing the BSOD code we can't really help you as there's like 300 different codes. As far as flashing your BIOS goes, that's entirely motherboard dependent. Most MSI boards should have a way to allow you to flash the BIOS by downloading a program from the website that will allow you to do that automatically, or if you cannot get in, you should be able to copy the new BIOS file to a USB drive and then flash it that way.
 
I wanted to post an update that last night i successfully flashed the motherboard. After doing this i only got one reboot (no BSOD) and that was when i was running the windows performance index test. I re ran this test to see if it would crash again and it didnt. I also forgot to mention in the original post that i have probelms turning on the computer. If it has been off for more than (4-6) hours, usually overnight, the first time i hit the power button everything inside lights up and fans spin, but nothing ever comes on the screen. I always have to hold the power button for a soft reset and then restart it for it to boot up properly. This issue has happened on both the old and new power supply. Also found out that mobo northbridge is idling at around 51C
 


Is that idle or full load? It seems rather high for idle.
 
I got new ram yesterday and installed it and the problems still exists. I'm about ready to just blame the motherboard and purchase a new one. I just cannot think of anything else it could be. Northbridge heatsink is still idling at around 38C even with a fan on it.
 


Yeah that sounds like it could be the culprit. I'd suggest getting a new heat sink ASAP. The Cooler Master Hyper 212 Evo and the Noctua NH-U9B are both solid, low cost options.
 
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