I am facing a big problem, I can play GTA 5 in my PC (Radeon HD 6850) , but after 5-10 mins the monitor goes black, but I can hear voices through my headphone, then I have to restart my PC. I tried lowering the fan speed, but the app still crashes after 5-10 mins. I face this same problem with new games (like Witcher 3, FC 4) but it usually reduces the error rate when I lower my settings. I thought my GPU can hold upto medium settings, what should I do to stop this?
Processor: FX 6300
GPU: Radeon HD 6850 MSI OC Power Edition
MOnitor: a bit old, but LCD (in case if that is the problem)
mobo: Gigabyte GA-78LMT-USB3
Please help me guys.