My gpu keeps crashing games

[Lumingwolf]

games used to crash every 5 minutes until I downclocked by 100mhz thermals are ok my specs

cpu pentium g4400
gpu gigabyte gtx 660ti
psu cx430
case cooler master centurion 5

 

[BongoHunter]

You could try replacing the thermal paste on your GFX card heatsink, it will be quite old by now and have gone through many heat cycles, or the fan might be on its way out maybe?

 

[WThunder<3]

Dont try and try to play games if your pc is getting crash. Go to repair shop and let them check your pc.