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screen issues since firmware update

Hi Everyone,

 

I have the TCL 32" inch TV which I am using as a computer monitor with a Windows 10 system.

 

Everything had been working fine, but recently a system update was applied to my TV without my knowing it.

 

Since then very strange things have been happening. My screen is often "flashing black" for a a few seconds when using video applications on my computer, and sometimes I am seeing strange artifacts.

 

I am not sure what about the update caused this. Is there any way I can roll back the system update? Or are there any settings I can change that might fix this problem?

 

appreciate your help.

 

 

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