I am setting up a test using a laptop with the ST12MHDLAN4K HDMI over IP extender. I am getting a signal and the laptop is correctly detecting the monitor as an additional screen. However the video quality is very scrambled and only small bits of the image come through when things like the clock or the mouse cursor move. I have checked all the cables and connections and everything works individually. It is possible I am missing something on the video output side? I have included a screenshot of my issue.
Hello Jvalley,
I hope you’re well!
There’s some inherit complexity with an IP solution - and I’m curious if the issue is a hardware or network tunneling fault.
You know you have a working IP path if you have any decoding at all, which the screenshot shows.
May I ask if you have more than one Tx/Rx unit, or if this is a one-to-one solution? The first thing we’ll want to try is simplifying the setup (connect directly with a short Ethernet patch cable, no switching fabric / routing involved) and see if the issue goes away. Cross-testing for another Tx or Rx unit can quickly determine if there is a defective unit as well.
I wouldn’t jump into network troubleshooting until you’ve confirmed a local link is working well, but enabling IGMP snooping on your router and using a dedicated VLAN may greatly impact LAN performance.
Let me know if I can dig into this further, alternatively we offer live support at 1 800 265 1844.
All the best,
Brent D
Thank you, Brent
This setup was with a one to one Tx/Rx direct local link connection. After much configuration and cable testing it was determined that the device itself was defective and has since been replaced.
The replacement unit was set up with the exact same configuration and was properly displaying the HDMI output.
Thank you,