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I found the solution to this annoying issue.  Use the free photo editing program GIMP Resize the image to 3840x2160 or anything that is exactly 16:9 aspect ratio then File -> Export As -> change extension to jpeg or jpg click Export up quality to 100 Uncheck Save IPTC Click Advanced Options Uncheck Optimize Uncheck Progressive Scroll Smoothing to 1.00 click Export   This should resolve the issue

Hi I need to update this TV Model : 55SJ850V-TA  Serial number : 707CGKWMJ215 Device name : [LG] webOS TV SJ850V_TA webOS TV Version: 3.9.0-62705 (dreadlocks2-dudhwa ESN : LGTV20171=11001816919 VSN : 1F580793 Widevine: LGTV17CLGE002389488

I have experienced the same issue with Denon AVR3400H.  I’ve seen other posts along this line and hope there is a patch by LG to remediate!   It’s a large inconvenience as base LG oled sound is not terrific.

Even if the eco and power-saving modes are turned off, the screen saver might activate based on other settings or inputs not being detected. you should first check your TV's screen saver settings to ensure it isn't set to activate too quickly. These settings are usually found in the "General" or "Picture" section of your menu. Also, verify that your TV is recognizing input signals properly; sometimes, if the TV doesn't sense an active input, it might default to a screen saver.

I hear you! Latest update made HDMI connectivity super-flaky on my G2  

Up until a few days ago my TV and AVR have been working perfectly since I bought it. Zero hassles with HDMI and connectivity. Then I was prompted to update to the latest software version which I did and now often when I switch HDMI (running on 1) it picks up the device name, CEC works but I get “No Signal”… and then nothing. Just stays on “No Signal”. It is almost as if some HDMI handshake breaks and now the driver is in a broken state. I’ve found that if I hard power off and power on the device sometimes works but I don’t want to do that every time especially since it’s hard to get to the power. This really strikes me as a software issue with the latest update as absolutely nothing else has changed in my setup. I’ve tried: Different HDMI cables (high quality) Deep colour settings Reset the TV to factory default Different HDMI ports TV Model: OLED65G26LA / OLED65G26LA.HFBQLWK WebOS TV Version: 8.3.0.2301 Software Version: 13.30.56 AVR & Devices Marantz SR5015 Nvidia Shield Pro PS5   The setup is the conventional AVR installation as shown in the attached file   Has anyone else experienced this?  Is it possible to revert the software update?

Issues sorted factory reset everything, working how it should 

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