TBT4-UDZ Displays (HDMI) Stopped Working

Hello. I have used the Plugable TBT4-UDZ docking station, with one HDMI monitor connected on my Lenovo T15 Gen2 without issue for 5 months. Today, I connected the docking station, fired up the laptop, and nada for the display (keyboard and camera work fine). I rebooted, again nothing. I unplugged and disconnected the docking station, started the laptop, and connected, again nothing. I unplugged docking and disconnected, turned off the laptop, reconnected and restarted the docking station and fired up the computer again. Nada. Monitor works fine directly connected to laptop. This happened with a previous Plugable I had on a different system. Don’t know why I didn’t listen to my instincts and go with another brand. Please advise.

Hi William,

Thank you for posting! I am sorry thing are not working as expected while using your Plugable TBT4-UDZ docking station, and I would be happy to help.

Based on your description of the behavior, our next step is to get some additional information.

Can you please send an email to our direct support email address → support@plugable.com with ‘For ticket #- 412527’ in the subject line that contains the following information?:

  1. The Amazon Order ID number for your TBT4-UDZ purchase

This information is available from → https://amazon.com/orders

  1. While the TBT4-UDZ is connected to your Lenovo laptop and the external display is connected to the TBT4-UDZ (even if not working as expected), the output of our diagnostic utility PlugDebug → https://plugable.com/pages/plugdebug

That information will help us to determine the next steps.

*** Please do not post the information we requested above here in our public forum (it contains personally identifiable information) ***

Apologies for the frustration, and thank you for giving us the chance to help!

Plugable Technologies

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