I am working off of a laptop and have a second monitor to extend my displays. I have been using this set up for two years now and have not had a problem until last night. It seems that my attached monitor only (main monitor on laptop is not affected) will go black for a few seconds before turning back on and showing my screen. It should be noted that my laptop does not reset the display to place the windows back onto the main screen when this happens but the extended monitor goes black at random. Note that I am running Windows 10 and unable to upgrade to Windows 11 as of now. So far, I have tried the following solutions but still cannot figure this out. Bought brand new chords (HDMI + Adapter) Bought a brand new second monitor (issues happening with both old and new monitor) Checked for updates on all drivers Reinstalled both graphics drivers Rolled back graphics drivers Checked basic settings (sleep/power/screen saver settings) Disabled all services in background apps in "System Configuration" Restarted Windows explorer This means I have spent time replacing and even buying new equipment to get around this issue but cannot seem to figure it out! This is very important since I work at home as well. Please let me know if there is anything else I can possibly do outside of hard resetting the computer (which I cannot do for a few reasons). Thank you!

hi, Here are 7 ways to solve your problem, I must say if you follow the steps shown on the website you will find %100 solution, I would be so glad hearing from you after you solve your issue, https://www.easeus.com/computer-instruction/windows-11-screen-goes-black-randomly.html Always welcome for new questions, Have a great day, Regards Tamsa13

hi, Here are 7 ways to solve your problem, I must say if you follow the steps shown on the website you will find %100 solution, I would be so glad hearing from you after you solve your issue, https://www.easeus.com/computer-instruction/windows-11-screen-goes-black-randomly.html Always welcome for new questions, Have a great day, Regards Tamsa13 I can confirm that I have done all of those 7 things since the problem first started occurring last year, and I still have the problem.

Yes, I've had this happen with a monitor connected by display port. I have 3 monitors, 1 connected by display port & 2 connected by HDMI. This issue occurs on all 3 monitors at random. Some days it happens more than others. My laptop is work issued and replaced an older Window laptop in Feb 2024. I never had this issue using the old laptop and the same monitors, cables, surge protector, etc. The only change was the old HP laptop with Windows 10 Enterprise & HP docking station to an new HP with Windows 10 Enterprise & new HP docking station.

I'm actually beginning to wonder whether it's a power-related HDMI/HDCP issue. AFAIK I have only had this problem with monitors connected via HDMI (not DisplayPort). Has anyone had the problem with a monitor connected via DP? My theory is: a temporary fluctuation in the power supply may prompt the HDCP "handshake" (between the display adapter and the monitor) to be repeated, causing the display to go blank until the handshake is completed. This usually takes a few seconds. I used to have a Humax PVR which did something similar - my TV would go blank for a few seconds while the HDCP handshake repeated itself. ???? i changed to a high quality HDMI cable, and the problem went away... thanks for prompting this...

Second monitor keeps on temporarily going black at random

Anonymous

I am working off of a laptop and have a second monitor to extend my displays. I have been using this set up for two years now and have not had a problem until last night. It seems that my attached monitor only (main monitor on laptop is not affected) will go black for a few seconds before turning back on and showing my screen. It should be noted that my laptop does not reset the display to place the windows back onto the main screen when this happens but the extended monitor goes black at random. Note that I am running Windows 10 and unable to upgrade to Windows 11 as of now.

So far, I have tried the following solutions but still cannot figure this out.

Bought brand new chords (HDMI + Adapter)
Bought a brand new second monitor (issues happening with both old and new monitor)
Checked for updates on all drivers
Reinstalled both graphics drivers
Rolled back graphics drivers
Checked basic settings (sleep/power/screen saver settings)
Disabled all services in background apps in "System Configuration"
Restarted Windows explorer

This means I have spent time replacing and even buying new equipment to get around this issue but cannot seem to figure it out! This is very important since I work at home as well. Please let me know if there is anything else I can possibly do outside of hard resetting the computer (which I cannot do for a few reasons). Thank you!

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Anonymous

2024-05-02T12:28:27+00:00

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Tamer Tug 53,885 Reputation points Volunteer Moderator

2024-05-08T11:04:53+00:00

hi,

Here are 7 ways to solve your problem,

I must say if you follow the steps shown on the website you will find %100 solution,

I would be so glad hearing from you after you solve your issue,

https://www.easeus.com/computer-instruction/windows-11-screen-goes-black-randomly.html

Always welcome for new questions,

Have a great day,

Regards

Tamsa13
Was this answer helpful?

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Anonymous

2024-05-08T11:42:46+00:00

hi,

Here are 7 ways to solve your problem,

I must say if you follow the steps shown on the website you will find %100 solution,

I would be so glad hearing from you after you solve your issue,

https://www.easeus.com/computer-instruction/windows-11-screen-goes-black-randomly.html

Always welcome for new questions,

Have a great day,

Regards

Tamsa13

I can confirm that I have done all of those 7 things since the problem first started occurring last year, and I still have the problem.
Was this answer helpful?

3 people found this answer helpful.

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Anonymous

2024-05-08T11:56:00+00:00

Yes, I've had this happen with a monitor connected by display port. I have 3 monitors, 1 connected by display port & 2 connected by HDMI. This issue occurs on all 3 monitors at random. Some days it happens more than others. My laptop is work issued and replaced an older Window laptop in Feb 2024. I never had this issue using the old laptop and the same monitors, cables, surge protector, etc. The only change was the old HP laptop with Windows 10 Enterprise & HP docking station to an new HP with Windows 10 Enterprise & new HP docking station.
Was this answer helpful?

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Anonymous

2024-05-12T15:12:44+00:00

I'm actually beginning to wonder whether it's a power-related HDMI/HDCP issue. AFAIK I have only had this problem with monitors connected via HDMI (not DisplayPort). Has anyone had the problem with a monitor connected via DP?

My theory is: a temporary fluctuation in the power supply may prompt the HDCP "handshake" (between the display adapter and the monitor) to be repeated, causing the display to go blank until the handshake is completed. This usually takes a few seconds. I used to have a Humax PVR which did something similar - my TV would go blank for a few seconds while the HDCP handshake repeated itself.

????

i changed to a high quality HDMI cable, and the problem went away... thanks for prompting this...
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