Computer keeps shutting down during games

Hello all,

I recently changed out my video card for an older AMD model to an Gigabyte NVIDIA GEFORCE GTX 980 Ti. Since then I've had numerous issues, where my cpu was heating to a great deal (70degrees<) and shutting off. I've since re-applied the thermal paste correctly and also correctly re-seated it.

However, my computer is still shutting off any time I put the system under load.
As an example, I was attempting to play Fallout 4. I got 7~ minutes of playtime before the screens lost signal with my computer. The sound continued to play for 5-10 seconds after this, before that turned off as well.

The issue shouldn't be heating, as Speccy says none of my components are exceeding ~55 degrees

All of my current drivers are up to date.

My computer components are as follows, from DxDiag;

Operating System: Windows 8 Pro 64-bit (6.2, Build 9200) (9200.win8_gdr.150316-1542)
Language: English (Regional Setting: English)
System Manufacturer: Gigabyte Technology Co., Ltd.
System Model: To be filled by O.E.M.
BIOS: BIOS Date: 08/21/12 14:04:10 Ver: 04.06.05
Processor: Intel(R) Core(TM) i5-3470 CPU @ 3.20GHz (4 CPUs), ~3.6GHz
Memory: 8192MB RAM
Available OS Memory: 8148MB RAM
Page File: 4420MB used, 11919MB available
Windows Dir: C:\WINDOWS
DirectX Version: DirectX 11
DX Setup Parameters: Not found
User DPI Setting: Using System DPI
System DPI Setting: 96 DPI (100 percent)
DWM DPI Scaling: Disabled
DxDiag Version: 6.02.9200.16384 64bit Unicode

Card name: NVIDIA GeForce GTX 980 Ti
Manufacturer: NVIDIA
Chip type: GeForce GTX 980 Ti
DAC type: Integrated RAMDAC
Device Type: Full Device
Device Key: Enum\PCI\VEN_10DE&DEV_17C8&SUBSYS_36E61458&REV_A1
Display Memory: 9850 MB
Dedicated Memory: 6032 MB
Shared Memory: 3818 MB
Current Mode: 1920 x 1080 (32 bit) (60Hz)


I apologise if I've missed any information, I'm not quite certain what to look for.
2 answers Last reply
More about computer shutting games
  1. What is the brand and model of the power supply? Did you do a BIOS update on the motherboard?
  2. hang-the-9 said:
    What is the brand and model of the power supply? Did you do a BIOS update on the motherboard?

    Yes, I updated my BIOS last night to the newest version to no avail. My power supply is a HLP850, no brand on it I could find. Honestly suspecting it could potentially be that
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