LG TV Flicks randomly

[Plutopuff]

Just wondering if anyone could help with LG Smart TV about 2yrs old flickers randomly.
Ive recently setup Batocera on a mini PC and everything is working a treat except for the random TV picture flicks on and off. Ive tried many different refresh rates and played around with other settings, check my TV game settings and that seems to be ok but cant seem to nail the problem. Thanks

 

[KaiserMk7]

Have you tested the television with other devices? Other input ports or cables?

 

[MasterEn]

it's most likely worn out. newer tvs have been doing this. the screen lasts for a couple of years and then it starts to give out. hopefully the cables are just loose and need to be pushed back in, but start looking for a replacement just in case.

 

[Plutopuff]

Have you tested the television with other devices? Other input ports or cables?

The TV is pretty good and in good condition, it runs the PS5 no probs and connects to laptops without any issue. Im pretty sure its the refresh rates but I dont know the best settings to use from Batocera

 

[Spike's iconSpike]

So the issue only happens in Batocera? What if you run something else on the mini PC like Jellyfin server, does it flicker when playing a movie from the mini-PC?

I'm trying to find if the cause is the software (Batocera) or the hardware.

 

[MasterEn]

The TV is pretty good and in good condition, it runs the PS5 no probs and connects to laptops without any issue. Im pretty sure its the refresh rates but I dont know the best settings to use from Batocera

yeah, that seems to be more likely the issue if other things can connect with no issue. i would check the website for that program and see if there's a section about that or ask on there if you can for more detailed info.

 

[thecrow2313]

Do you have HDMI Deep Color enabled? Energy Saving Mode? Motion Eye Care/Auto Brightness?

 

[Plutopuff]

thank you

Post automatically merged: Jul 1, 2025

Do you have HDMI Deep Color enabled? Energy Saving Mode? Motion Eye Care/Auto Brightness?

yes as far as I can see..the TV comes with specific game settings all of which is enabled and set to run as best

 

[thecrow2313]

thank you

Post automatically merged: Jul 1, 2025

yes as far as I can see..the TV comes with specific game settings all of which is enabled and set to run as best

Test without game mode. Have you tested HDMI cable? I'm sure HDMI output is 1.4 or higher. Single out any possibility.

 

[Plutopuff]

Test without game mode. Have you tested HDMI cable? I'm sure HDMI output is 1.4 or higher. Single out any possibility.

will try different cable thats the only thing I havent tried yet...thanks

 

[glokglakglak]

i have a pretty old, small flat screen sony tv with legs
i noticed it does this flickering thing too, turning off then on for like few milliseconds, and i found out it does that when there's a fluctuation of power in my room like when i flip a light switch or turn on a fan or something, but i noticed too sometimes that it would flicker a loooot, that's when i got aggressive with the hdmi cable and it even stopped flickering (a lot)

so it could be the hdmi port, or the cable, or both (since the tv itself is pretty old)

 

[Potapota]

I had a hdmi to dvi adapter on my htpc that sorta blanked out whenever the image went really bright. That tv has some trouble getting input from some other devices too. Hdmi definitely can be flaky like that on some devices.
I think modern tvs also just kinda suck. At least from my experience.

 

[Morgana Veil]

Just wondering if anyone could help with LG Smart TV about 2yrs old flickers randomly.
Ive recently setup Batocera on a mini PC and everything is working a treat except for the random TV picture flicks on and off. Ive tried many different refresh rates and played around with other settings, check my TV game settings and that seems to be ok but cant seem to nail the problem. Thanks

If it's working fine on everything else, it's either the HDMI or DisplayPort cable is bad, or the ports themselves are bad on the Mini PC. maybe a loose solder joint on the board.

Depending on the mini PC, I know the one I have lets you change out between a DP port and HDMI.
A couple of screws hold it in. When I got it, the DP would randomly kick off after a while until it cooled off. I ordered an HDMI port for it, replaced it and never had another problem. I don't know if yours can do the same, but it might be worth a look to see if it has a cracked or loose solder joint or a replaceable port.