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Posts: 2
Registered: ‎08-31-2020

Insignia 22" UHD incompatable with Odroid N2 Linux

I have been researching an issue where my Insignia NS-22D420NA18 won't realiably sync to
a new product Odroid N2 from Hardkernel.

I know that this is due to a bad signal from the Odroid N2 but I can't decipher what to tell the developers.
The UHD tv will work if I repeatedly switch back and forth from the other HDMI input.

I am able to see the computer work on anoth UHD tv as well as another operating system so

that drills it down to suspecting "pixel clock"

In Linux there is a line to explain the settings called Modeline that relates software to hardware.

The monitor database has lots of tv's but not Insignia.

I keep seeing this as most likely to succeed but not sure how to verify that is the right  configuration setting.


ModeLine "ATSC-1080-60p" 148.5 1920 1960 2016 2200 1080 1082 1088 1125

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Registered: ‎09-29-2008

Re: Insignia 22" UHD incompatable with Odroid N2 Linux

Welcome to our community, Cool_Games.


Generally speaking, your Insignia TV will display the signal it receives. If your Odroid N2 is not sending a compatible signal then you might encounter the behavior you've described and it would be up to Hardkernel to assist with troubleshooting.


With that being said, you may wish to contact Insignia Support at (877) 467-4289 for further assistance. I cannot guarantee they will have the information you seek, but they would be the best option available if it exists.


I hope this helps. Thank you for writing to us.

John|Social Media Specialist | Best Buy® Corporate
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New Member
Posts: 2
Registered: ‎08-31-2020

Re: Insignia 22" FHD incompatable with Odroid N2 Linux

I have been tracking this issue everywhere I can and have given up as both computer and Insignia will not own or solve the issue.
I expect the computer industry and home consumer electronics have incompatable design goals.

I have another laptop on the same TV and it is more reliable because it is a static signal at 1920x1080 60fps.
The TV is looking for FHD or 1080p which should be equivalent but the secondary timing is unspecified.

I corrected the Subject now that I see FHD is correct terminology !

Looking at ads for laptops I see the same disconnect of 1920x1080 and FHD specifications.

I have found if the computer sleeps the display the signal is deemed lost.
I never see that on consumer electronics like DVD's or streaming sticks.
Those devices provide a screen saver or blank screen and not a signal loss.


Thanks for reading this if you neede to understand this delima.