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Hi ! 
 
 
orangepi4 LTS  running Debian 11, updated. 
 
There is no video output with a TV Samsung 55" model Un55ru7100g. 
However if connected to a TV Phillips 42" it show image just fine, using the same HDMI cable. 
It also shows image on a Dell 17" monitor, and  in another Samsung monitor 27" curve, all with the same HDMI cable. 
 
Why orangepi 4 LTS not show image on this Samsung TV ? 
The TV and cable are fine, as if I plug a RaspBerry3B on that Samsung TV it shows the image. 
Is there any settings on orangepi 4 LTS regarding to HDMI video output like version, features, frequencies whatever that I can tweak ? 
I already checked on Samsung TV and I can only choose the HDMI port, nothing more than that. 
 
PRETTY_NAME="Debian GNU/Linux 11 (bullseye)" 
NAME="Debian GNU/Linux" 
VERSION_ID="11" 
VERSION="11 (bullseye)" 
VERSION_CODENAME=bullseye 
ID=debian 
HOME_URL="https://www.debian.org/" 
SUPPORT_URL="https://www.debian.org/support" 
BUG_REPORT_URL="https://bugs.debian.org/" 
 
 
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