Question PC black screens for several seconds

Dec 7, 2018
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Help please! I am not sure what is wrong, but about a year ago I built a gaming PC and everything is working great, the only thing is every once in a while my screen will go black, I can still control things and I still have sound, then it comes back totally fine. Sometimes I will game for a few hours without it happening at all, sometimes it will happen 5 times in 2 minutes. I uninstalled and reinstalled the graphics card drivers and swapped out the HDMI cable on the monitor and it is still occurring.

Build:
CPU - Ryzen 5 2400G
MOBO - ASUS PRIME B350M-E Micro ATX
RAM - G.Skill Aegis 16 GB DDR4-2133
SSD - SanDisk 240GB
GPU - Gigabyte Geforce GTX 1060 3GB
PSU - EVGA - SuperNOVA G3 550 W 80+ Gold