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HP V270 27-inch Monitor Goes to Sleep Randomly

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HP V270
macOS 10.15 Catalina

I am using an HP V270 27-inch monitor as an external monitor for my MacBook Pro, which is running macOS Catalina. 


The monitor is used to extend my laptop screen (it is NOT run as a parallel or replacement display). 


I connect using HDMI (HDMI cable + HDMI to USBC converter). Sometimes, randomly, the monitor display sleeps. I could be watching a movie or even doing work on the monitor and it goes to sleep. I do not know why. I tried turning off the auto sleep option in the monitor settings, etc. but nothing has worked yet. To fix the issue when it happens, I can either put my laptop to sleep and wake it up again, or disconnect and reconnect the monitor by unplugging the hdmi cable quickly. 


Has anyone else encountered this issue / how can I fix it? Thanks. 

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HP Support Agent
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@NickK1, Welcome to the HP Support Community!


Have you tried connecting this monitor to a different computer and check if the issue persists?

Or connect an alternate monitor to the MAC?


Try the steps mentioned in this document.


Hope this helps! Keep me posted. 


Please click “Accept as Solution” if you feel my post solved your issue, it will help others find the solution.

Click the “Kudos, Thumbs Up" on the bottom right to say “Thanks” for helping!

Have a great day! 

I am an HP Employee

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