Second monitor keeps disconnecting, and driver disappears...

Jan 7, 2019
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Hi, I have bought a brand new PC some weeks ago.
It works fine, but since I upgraded with a second monitor, the second monitor has been disconnecting randomly, while playing, seeing movies, scrolling social medias etc...

When the screen goes off, the driver disappears. It can be fixed shortly by "scan for new hardware" in the device manager. But often the same thing happens later on...

I have tried installing the drivers for each screen manually, updated GPU driver, updated windows.
My main monitor is using a DP cable, and my second one is using DVI with a DP on the other end..


-Can it be my brand new PSU that is broken?
-My new cable to the second monitor?
- Or something else?

My other screen is an Asus vg248, it shows as an generic PnP monitor, not sure what that is about. But think I've read its common.

Anyone can help?