Computer crashes at random times after installing R7 260X?

gorebs24

Honorable
Apr 4, 2013
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This is my build:

Intel i5-3570k
Gigabyte R7-260x OC
ASUS mobo
600w Corsair PSU
16gb RAM

I have played multiple games with no problems. I played DayZ for over 2 hours last night and everything ran smoothly. For the last couple of days, I have had it crash twice when watching Netflix or a movie on VLC. It happens if I have two windows open at the same time (side by side) on one monitor.

Could it be the old Intel 4000 HD graphics driver? The first time it crashed to a green screen and the second to a black screen with that annoying buzzing sound through the speakers that happens during some crashes.

Thanks in advance.