Peripherals shut off, PC stays on

[quicktype8]

System:
Graphics card; GTX 1070
CPU: Ryzen 5 1600
RAM: Corsair vengeance LPX 16gb 3000mhz
MOBO: MSI B350F
PSU: 500W
I've been having issues with my PC randomly shutting off the monitor, mouse and keyboard (all my peripherals basically). Keyboard and mouse are connected to mobo and display port connected to graphics card. Oddly the PC keeps running when the peripherals are shut off.
Any solutions?
Thanks, in advance.

 

[jgustin7b]

If the monitor is fine, and you use usb keyboard/mouse, update the Universal Serial Bus controllers in device manager. If the system can’t find a new one online, just pick one from a list by the mobo manufacturer.

 

[Paul NZ]

It's probably going to sleep / hibernation. if you dont want them, disable them

This is what it's meant to do (if you dont disable them)

 

[Allexio]

I am having the exact same problem, with the same RAM (and same clockspeed might I add) and CPU...
Previous answers do not help my case and I don't think OP's because these happen *during usage*
It's not like a PC should start hibernating while it's in use...
"If the monitor is fine" - except the OP clearly says this shuts off as well.
"It's probably going to sleep / hibernation. if you don't want them, disable them" if it *was* going to sleep, wouldn't actually typing or clicking or pressing the power button wake the computer up? this isn't the case though.