Why screen become dark when I open the desktop???

Littlefox
Littlefox Member Posts: 7 New User
edited February 14 in 2020 Archives
I use double screen for my pc, but HP works well, but Acer become dark when I open the desktop??? I shipped back acer workstation to repair. They said they do not find any question on the monitor.
What a joke. Really disappointing with Acer.

Answers