Windows 10: Dual monitors, windows 10 only turns one off after 30 min

I have my Windows 10 power settings turning off the display after 30 minutes. Monitor 2 turns off, but monitor 1 stays on. It doesn't display a picture, but the screen goes dark then brightens up over and over again. I am at a loss for how to fix this. Any suggestions?

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One monitor turns off on sleep mode on Windows 10

Old title: One monitor turns off on sleep mode

So I have a dual monitor setup, Win10 x64. I had a previous install, which worked fine on both monitors. They are supposed to turn off the display after 15 minutes.

After a clean install, they turn off after 15 minutes - but one of them turns power off completely, moving everything on it to the other monitor.

I have checked power settings. Definitely does not say power off, and anyway, it only happens to my one monitor, not the other. They both worked fine physically before.

 

Dual monitors locked taskbar and open windows move when display turned off

I have dual monitors a Samsung S27C750 and a Samsung C32HG70.

My graphics card is Radeon R9 270X GAMING 4G, latest driver is Version 17.8.2, Release Date 08/30/2017.

The open windows one on each monitor, move to the monitor that has been selected "make this my main display".

Also the taskbar tends to move to the Main display, but only if the active window is on that display, even if it is locked.

The only way I can stop this moving of windows and taskbar is to change the "Turn off the display." to "Never"

This did not happen when I had Windows 7 installed on the PC.

Is there a way to turn of this Windows 10 feature, and still "Turn off displays" when I am away from the PC for extended time.

Moved from: Windows / Windows 10 / Power on or off a device / PC

 

Windows 10 Update - Now my dual monitors do not work

Hi,





One of the possible reasons why Windows 10 was unable to detect your dual monitor is an outdated or incompatible graphics driver. To best address your concern, we need you to answer the following questions:

• Which Windows 10 build are you using?
• Have you already tried performing the troubleshooting steps suggested by
  Mauro Cavallin on June 16, 2017?
• Are both of the monitors not working just like what the original poster was experiencing? If yes, have you tried disconnecting one of the monitors? What was the outcome?
• What troubleshooting steps have you done so far?

We will be waiting for your response.