Question Sony X900H 65" green flash on screen

Brox09

Novice Member
I have had two Sony X900H 65" TVs have the same issue (random green flash across screen). I replaced the first one because Best Buy said they had never heard of this problem with this TV, but the replacement TV is having the same issue. I have four devices plugged into the HDMI inputs. HDMI 1 - Comcast box; HDMI 2 - XBOXOne; HDMI 3 (ARC) - Sonos Beam ; HDMI 4 - 4K Fire Stick. I am experiencing this green flash across HDMI ports 1, 2, and 4, and also using an antenna. It happens randomly, sometimes once per day, and sometimes a few times a minute. I have tried unplugging the HDMI 1 and 2 devices, and it still occurs when using the HDMI 4 port. The common denominator is that the Sonos Beam is always connected. I have a higher quality HDMI cable I am using to connect to the HDMI 3 ARC port. I am wondering if anyone has experienced this, and if there are settings I need to adjust that is causing this issue. I had read some online about HDCP handshaking issues, but I'm not sure what settings I need to adjust to see if that is the problem.
 

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halloo

Novice Member
I had the same issue as you. I just did this to my TV a few minutes ago but I think this should fix it.
Go to Settings > Watching TV> External Input > HDMI signal format and change your input to Standard.

If you google x900h green flicker, I think others have had the same issue and the above fixed it
 

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