Windows 10: Monitors switch off when starting some games/software in full screen

Since buying new monitors, I have found that when I start some games that run in full screen, the monitor that the game runs on goes black and eventually switches off. I can still hear the sound from the game so he game is still running. Sometimes, but not with all games, I can tab out of the game and back into it and the picture is restored. I have two Alienware gaming monitors, I have tried rolling back the drivers on the display adapter and changing the resolution of the monitors originally 2560 x 1440 but I can't seem to find anything to resolve the issue. Any suggestions would be very m

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Overclocking / Undervolting guide for Vega 56 or 64?

Here's a quick laundry list:

List of software to use for overclocking and testing
Examples:
Wattman (and how to find and use it, like an overview, including profiles)
Unigine Valley or Heaven (use this for quick testing while changing settings in Wattman and checking for stability / artifacts) ...just suggesting this
How to monitor cores / mem speeds and temps during testing (I've seen screen overlays, and others using GPUz)

Step-by step overclocking in Wattman
Fan speeds
Power limit
Temp limit
Voltages
Core speeds
Memory speeds

 

Games in Fullscreen don't work on main Monitor

Hello,

As per the description, I understand that you are unable to play CS:GO in a particular monitor in full screen mode. I suggest you to update the display drivers by following the steps provided below and check if it helps.

• Press Windows key + X and select Device Manager.
• Expand Display Adapters.
• Right click on the driver and select Update Driver Software.
• Follow the on-screen prompts to update the driver.

Hope this helps. Keep us posted on the status for further assistance.

 

Second monitor screen resolution problem

Hi,

For us to properly isolate the issue with your second monitor screen resolution, we would like to know the following:

• 
  Were there any changes made on your computer prior to the issue (e.g., updates, software installation)?
  
• 
  When did the issue first begin?
  
• 
  To make sure that we have not missed on anything, what troubleshooting steps have you done so far?
  

In the meantime, we suggest that you try resetting your monitor settings, and check if the issue still persists. You may refer to your monitor on how to reset it.

We look forward to your response.