990FXA - UD3 Rev 4 reboot problem, help needed...

[cankatlı]

Hi everyone,

I put together a new system about 4 months ago. All was fine untill 2 days ago. While playing Battlefield 4 my system rebooted without any BSoD on anything. I didn't think much of it but the following day it happened aga,n when gaming. And it's not just one game.

First I suspected from temperatures... (I use closed loop water cooling but still) CPU stress test with prime95 passed without any errors and temperature didn't raise above 43C. Also stress tested my GPU with furmark and that passed fine too but when I tried to run both tests at the same time; my system reboots. Event log shows kernel-power 41 (63) and nothing else.

Long story short my system restarts itself without any BSoD when my gpu and cpu loaded at the same time also mobo north bridge gets very hot. I mean you almost can't touch it. I don't have any overclock on cpu or gpu Is that normal?

You can find my system specs below  Any help or advice is appreciated ... Thanks

Processor        : AMD FX-8350 processor
Motherboard   : Gigabyte 990FXA-UD3 Rev 4.0
RAM               : Corsair Vengeance 8GB 1600MHz (2x4 Kit)
GPU                : Asus R9 280 Direct CUII 3GB Top
PSU                :  Thermaltake SmartPower 750 Watt 80+ Bronze
CPU Cooler       : Seidon 120 M Cpu Cooler

[autotech]

No that isn't normal. I would look more at the video card doing this as I have had the same problem but it was the video card. Can you use driver sweeper to clean old graphics drivers off and install the newest one out. If you already have newest one try going back 1 driver.

[cankatlı]

No that isn't normal. I would look more at the video card doing this as I have had the same problem but it was the video card. Can you use driver sweeper to clean old graphics drivers off and install the newest one out. If you already have newest one try going back 1 driver.

Thank you for your suggestions. But I alredy tried all of this options. Tried last 3 drivers... Even after formatting my system...

[autotech]

Did you boot into safe mode after uninstalling video drivers and use driver sweeper?

[dmdilks]

If the north bridge is getting so hot that you can't touch I would be looking at that. The one bad thing is when you don't use a CPU air cooler. You don't get any air cooling. When you use that type of CPU cooler.

If you can I would try to put a fan blowing on the north bridge just to see if that would help. I know you going to say why did it take so long before it showed up. Maybe it just took time to show up.