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HP Recommended
HP Pavilion 27 Quantum Dot 27-inch Display
Microsoft Windows 10 (64-bit)
The problem is,  when I leave my PC with Windows 10 on until it goes completely into sleep mode.
When I come back and wake up my PC, there is no picture on the HP 27" Dot screen, but works fine on the laptop screen.
The power indicator on the HP 27" Dot screen is white, indicating that it is on and should display an image.
If I use Windows key + P and set my PC to use only its own screen, then Windows 10 will show my icons
on the laptop screen as it should.
If I then use Windows key + P again and choose to Extend so I use both screens (the one on my laptop and the HP 27" dot screen), then
my PC thinks both monitors are being used, but there is no image on the HP 27" Dot monitor.
It's as if my PC (Windows and the screen itself) thinks everything is as it should be and that an image is displayed on both screens,
where in reality there is no image on the HP 27" Dot screen, but only on the laptop screen.

I need to restart my PC, and give the HP 27" Dot monitor a powercycle, with a long pause (so it is completely discharged), before I can get the picture on again
on HP 27" Dot screen.

PC is HP zbook G3
Every driver and bios is updated.
The problem is only in Windows. In Ubuntu, there is no problem.

 

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