Computer Rebooting a Couple of Minutes into Playing Games...

aguy49

Reputable
Jan 20, 2016
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4,510
Hi all,

System Specifications:


Gigabyte GA-H170 Gaming 3 Motherboard
Intel I5-6600K Skylake CPU
Gigabyte GTX970 GPU
CoolerMaster V 650W PSU (Changed to SeaSonic G Series 750W)
G-Skill Ripjaw V Series 8 GB Ram x2
NZXT H440 Case

I've recently just built a computer and I've had nothing but issues with it since. The most consistent problem is that everytime I try to play intensive games like The Witcher 3 the whole system reboots a couple of minutes into it with no BSOD.

Sometimes it will suddenly reboot with no warning when I'm doing other stuff, but this is far more sporadic.

Other issues I've had are not being able to get to the BIOS screen (the fans would go for a few seconds and then turn off, only to repeat endlessly) and suddenly switch off as Windows was loading. There was a point where the computer would boot normally when it was on its side, then freeze when put upright.

I ran Furmark for 10 minutes and it didn't crash until I exited out of it. The second I pressed the exit button it rebooted. Looking at the temps in HWMonitor showed that nothing was overheating.

I also noticed the in HWMonitor the PSU voltages were low and many people on here with similar issues had a great deal of success when they changed their PSU's, so I replaced it with a Seasonic G Series 750W, but that hasn't helped whatsoever.

I've also run Memtest86 to check the RAM but that didn't show anything.

Just today I replaced the graphics card with my old one (AMD Radeon 7700 Series) and that hasn't helped either, in fact I think it's made the problem worse.

I'm not sure what else to do, I'm almost at my wits end with this thing. What else can I do? How can I find out what's actually going on here?
 
Solution
1| You didn't include your boot drive(s) and your OS in your specs list.

2|
I've recently just built a computer
Did you go through this guide while building your system?

3| You should run memtest86 for at least 10 passes before ruling out a faulty ram kit
4| Are you sure you've updated your BIOS and device drivers?

5|
Just today I replaced the graphics card with my old one (AMD Radeon 7700 Series) and that hasn't helped either, in fact I think it's made the problem worse.
Naturally, as the drivers for the AMD card are not the same as that offered by Nvidia. That being said have you tried uninstalling your GPU drivers using display driver uninstaller and then reinstalling using the latest drivers...
1| You didn't include your boot drive(s) and your OS in your specs list.

2|
I've recently just built a computer
Did you go through this guide while building your system?

3| You should run memtest86 for at least 10 passes before ruling out a faulty ram kit
4| Are you sure you've updated your BIOS and device drivers?

5|
Just today I replaced the graphics card with my old one (AMD Radeon 7700 Series) and that hasn't helped either, in fact I think it's made the problem worse.
Naturally, as the drivers for the AMD card are not the same as that offered by Nvidia. That being said have you tried uninstalling your GPU drivers using display driver uninstaller and then reinstalling using the latest drivers off Nvidia's site? If on the latest drivers then uninstall via DDU and revert to the last known stable version of Geforce drivers i.e previous version.

If you go through a no POST event then follow this troubleshooting guide.
 
Solution