Pavilion DV7: How to make windows 10 talk to external monitor?

I changed my Pavilion DV7 (product # ww185av) from Windows 7 to Windows 10.

Since then, the laptop appears on my external monitor (HP x 2511).

The screen remains black.

Laptop computer connection and monitor worked very well just before the switch.

If I P-window and choose "duplicate", the laptop tells me that I don't have the optimal resolution and it changes the screen resolution of mobile, but the external monitor stays black.  Somehow, I found once a "detection" option to get another monitor, but windows cannot find a second monitor. I tried to re-allocation of places the connection htmi several times.

I suspect the video driver, because my laptop wonder is no longer on whether I want to change GPU when I plug/unplug power supply.  I suspect that it is running low power GPU, and he never liked talking to the screen when executing that GPU.  But I have not found a panel that allows me to spend.   My video drivers are updated according to windows and hp advisor software.  Some HP site says that HP does not support windows on machines more than 10 2 years, one of which is mine.

Any thoughts on how to get the laptop to talk to the screen?  Should I just go back to Windows 7?

The expert event is over, no one offers a 'plan B', and my Windows 10 grace period is exhausted.

I came back to Windows 7 and my monitor works fine again.

Tags: Notebooks

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