I actually had thise issue before i upgraded the GPU, some times screen will go black and back for like 3 sec and im pretty sure i had couple of times of the reconnecting usb sound as u said but it was rare.
But the black screen was happening once a day some times even twice
Update, i did the DDU uninstaller and reinstalled the last drivers.
So far so good seems like stuff became stable again,
I removed the overclock, i dont trust it at this point maybe ill try to redo it in some other time.
Benchmark test are better then ever, and im happy about it.
Ty for all the...
The PSU i use is Asus ROG-STRIX Modular 850W GOLD which i connected with 2 cables to the GPU.
I'll try what you both said about the DDU.
Btw, an un update, i cancelled my overclock profile and managed to play 2 different games on Ultra settings with out any crashing this time and they worked...
I've upgraded recently (yesterday) from GTX 1060 to RTX 2070 Super Advanced with a SPU 850W.
Since then im having trouble with the games i have, GTA V stutters and i get low fps as 30.
Some other games crash upon start or some times screen just freezes and the pc not responding to...