Windows 10: videos on one of my monitors go dark after a second or two, help!

so this has been going on for about a month now and it's getting kinda annoying. when I start any video in a browser (chrome, opera, edge) or an mp4 file, it's normal for about a second or two but then it goes really dark and hard to see and now I've realised it affects some game cutscenes. it's only like this on my main monitor, any idea of how I can fix this?

submitted by /u/vatsugthedwarf
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:)

 

My monitor keeps going dark for about a second

My monitor has been turning going dark for a second or two and it happens multiple times a day, sometimes I'll happen multiple times with only a few minutes in between, and some times it'll be hours in between. It never lasts for much longer than a second
or two, and it doesn't happen from being bumped or anything. Any suggestions would be appreciated.

 

Issues while installing a second monitor in Windows 10

Really? I get a canned answer and nothing else? I posted that I had tried everything that I could find posted online. I did read the post that Andre suggested multiple times prior to posting this request for help. None of it helped.

My computer does not recognize that there is a second monitor is plugged in. The small step of changing the settings so I can put stuff on the second monitor ISN'T the issue. I am not that dumb. in the device manager there is only the single monitor listed
at one point there was a unknown device listed but my computer did not know if it was a monitor or a printer.

There has to be someone out there that knows how to fix this

Please Help

 

windows Can't detect my second monitor

Hi Max,

Thank you for posting your query in Microsoft Community.

I understand that you are having a tough time working on the computer.

I will certainly help you to resolve the issue.

• 
  What happens when you try to connect the second monitor?
  
• 
  Do you receive any error code/message?
  
• 
  Have you tried to connect the second monitor on a different port?
  

I suggest you to connect second display using a different port available on your PC and check if the second display works. If second display works in other port, then the possible cause for this issue may be discrete video card driver.


Let us try the following steps, and check it helps.

Step 1: Run the Hardware and Devices
troubleshooter.

Hardware and Devices troubleshooter checks for common problems and makes sure that any new device or hardware connected to your PC is installed correctly.

• 
  Type troubleshooting in the search bar.
  
• 
  Select Troubleshooting.
  
• 
  Select View all on the top left corner.
  
• 
  Click on Hardware and Devices.
  
• 
  Follow the on-screen instructions to run the troubleshooter.
  

Step 2: Update the Display Adapter.

• 
  Press Windows key + X and click on
  Device Manager.
  
• 
  Expand Display Adapter.
  
• 
  Right click on the video driver and select
  Update Driver Software.
  
• 
  Restart the computer.
  

Also, see:

How to: Install and Update drivers in Windows 10

How to add and use a second monitor with Windows 10

Hope it helps.

Let us know the status, we are glad to assist you further.