Windows 10: "No Video Signal - Entering Power Saving Mode" upon Maximizing any Game from 720p to 1080p...

Main Display goes into "No Video Signal - Entering Power Saving Mode" upon Maximizing any Game from 720p to 1080p Resolution at Full Screen.I have two displays of different resolutions 4K and 1366x768 and used to run games at 1080p or 720p without any issues. However, after a sudden power outage, my PC is now unable to launch any game at 1920x1080p or below, except at 1280x720p, regardless of the Windows resolution setting. The screen shows a 'No Signal, Entering Power Saving Mode' message. Interestingly, all installed games run without issues in Windowed and Borderless modes at any resoluti

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720P still outputs 1080P

Tried that in Extended Desktop mode. I set both display 1 and display to to 720. But the video tester confirmed the actual HDMI output was still 1080p.

I tried in Duplicate (mirror) mode ( 1|2) and even though the screen said 720p the actual output was 1080p.

Gave up as show time was approaching and used the Neo 1 tester as a format conversion device.

I realize the first matrix connected to this laptop was capable of 1080, but some of the other upstream equipment is not. When a user "requests" 720p the graphics system needs to respect that regardless of what HDMI thinks might be best.

 

Any way to change nokia c7 720p video recording to 1080p video recording??

I recently saw some devices with 1080p video recording being a 8MP camera. My Nokia c7 also has a 8MP camera. Why can't i shoot videos in full HD(1080p) rather than 720p?

 

720P still outputs 1080P

I've attached an HDMI device which the Win 10 system detects. I need it to output 720P, which I select from the Display Settings. And I verify that I want to keep that. However, using a Neo 1 monitor, I see that the Win10 continues to output 1080P.

How do I make it output only 720p?