i'm found some Error with Radeon Drivers.
I'm using Ryzen 5 2400G and i have the latest drivers 19.1.1.
yesterday i wanted to watch movie and render two movie in one time so... i opened Google Chrome and Microsoft Edge, when i turned on movie in 2 browser's... my screen begined black, when i press alt + F4 to close microsoft edge, my screen back to normal(it's random, one time it help, one time i have to rest computer) and drivers told me that options has been restored to default, but when i tryed this again and default options doesn't help.
System: Win 10 home 64bit(lestest drivers)
CPU: Ryzen 5 2400G (lestest drivers)
GPU: Vega 11
SSD: 240GB ADATA SX8200NP
Motherboard: ASRock AB350M-HDV
Monitor: Samsung LS24D330HSX/EN(When i use HDMI or VGA it's same problem)