I noticed that all of a sudden, all of my smart TVs are streaming content at 480p or SD only. I’ve just downloaded and updated the lasted Plex server today on my Synology NAS, went through all of the main playback settings. I’ve attempted to adjust the quality to original on the app when streaming from my smart TV, but nothing seems to change. The only thing I’ve changed in my personal network recently is the purchase of a new router, now sure how that would effect the quality of my plex streaming? Now my remote users have to continually go and adjust the video quality from 360p to full 1080p or original content. They are getting full HD quality, but in my local network, its stuck at SD 480.
Can you please capture Server DEBUG logs files (the ZIP file) after you start a playback session which behaves this way?
We only need about 20 seconds of playback to see what’s happening.
Plex Media Server Logs_2023-12-16_10-55-54.zip (3.2 MB)
The log is 12/16/2023 at 1055AM CST
Thank you for the logs.
Your logs show me your player is a Roku 7 (an Ultra / Ultra Max ?) which is fully 4K capable.
I have the Roku 4K Ultra Max connected to a LG OLED 4K.
In Roku Settings Display Type - What’s the value ? Is it automatic or did the value get bumped down to 720?
Also, are you using a 4K HDR rated HDMI cable (this is important) ?
I have 3 Roku smart TVs and one LG. All have been stuck at this low quality setting SD480 for a week now. I have not changed any of the setting on any of my smart TVs. I’ve been using my Plex Server/NAS combination for over 2 years now. This is the first time I’ve ever had a quality playback issue. NOTE: Display type isn’t an option on a TCL Roku imbedded smart TV according to the Roku forums. However, this is a setting I’ve never adjusted.
My LG TV plex app plays at 4K DV quality without any issues.
The very first thing I would do is go into the Video Quality settings of the Plex app
and confirm the Video (under Advanced) is set to Original / Max
My LG has
- Quality Suggestions - CHECK (but doesn’t matter)
- Local Quality - Original
- Max Remote Quality - Unlimited
- Allow Direct Play - CHECK
- Allow Direct Stream - CHECK
- Max H.264 Level - 5.1
My Roku app settings are the equivalent.
I suspect the settings got reset in the recent app updates.
I’ve had this happen when they have a big update
Other things I’ve done is a force power cycle / restart of the TV – Not a reset.
My TV has a quick-start feature. I had to turn that off.
Be advised: On any Nvidia, H264 level 5.2 will far exceed what the device can handle. 5.1 is the maximum safe value although you’ll rarely go above 5.0. I have 187 Mbps video files and they are fine this way
I was able to change the quality on the plex app from 12MB to Max, but it didn’t change anything. Thats how I’ve had this set for years. I checked my TCL Roku manual on TV settings, its automatic, I can’t manipulate video quality settings.
Potentially stupid but logical next step.
Remove the Plex app from the TV.
Power-cycle (not just standby off/on but full hard power cycle – unplug the power)
Wait about a minute
Power up
Reinstall the Plex app
Link it back to your account\
I know TVs are ‘smart’. In my experience, they’re smart until the next model comes out. At that point, the manufacturers stop paying attention to the development needs and 
it goes.
I use Nvidia Shield Pro 2019. It’s still being developed & supported — long after my 2022 LG C1 updates dwindled to nothing. (My ARC/EARC output is STILL broken)
That didn’t fix it either.
May I have a sample of one of your videos which do this?
I want to see what happens here.
(30 seconds worth should be fine – a couple hundred MB worth is more than enough)
Hello,
Honestly I don’t know how to send you a sample like this. I’ve been running the same video database for over 2 years, this is all new, my media has not changed. This is a different issue with all due respect. Is there a Tier 2 technician that can help us along with this?
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