Gigabyte Radeon RX460 2gb crashes

I bought a new video card, but I can play games 2 -5 min and then crash (steam to games)...

AMD Graphics Card

GIGABYTE RADEON RX460 2GB 2XFANS

Desktop

Operating System

Windows 7 Home Premium 64-bit  Service Pack 1

Driver version installed

Crimson ReLive Edition 17.7.1 Optional

Display Devices

Make and model, connection/adapter in use, resolution and refresh rate; e.g.

SAMSUNG SAM0900 1366 x 768(p) (59.790Hz)  HDMI CABLE

Motherboard + Bios Revision

Make and model; . P5P41T/USB3 Bios Version 0403

CPU/APU

Make and model number; .

Intel(R) Core(TM)2 Quad CPU    Q6600  @ 2.40GHz (4 CPUs), ~2.4GHz

Power Supply Unit  Make, Model & Wattage

PSU ATX2.3 500W/XN052 XILENCE

RAM

Amount of memory installed;  5GB

 

WITH THE WINDOWS 10 IS THE SAME ....

I WAS TRYING TO REINSTAL DRIVERS WITH DDU BUT STILL THE SAME ....

 

1.jpg2.jpg

 

OR

"Default Radeon WattMan settings have been restored due to unexpected system failure"