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4 Posts

12-01-2015

Salt Lake City

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HDMI displays not working property over Thunderbolt Port

2020-08-04, 15:45 PM

I purchased a Thinkpad P52s and Thunderbolt 3 Dock Gen 2. Everything was working great until I upgraded the firmware on the Dock. Now my HDMI ports don't work. It detects the monitors, and lets me "extend" or "mirror" my display but they don't get a video feed. If I remove the dock from they thunderbolt port and plug the dock into my USB-C charging port everything works... which leads me to believe the problem is with my Thunderbolt port drivers or windows settings. I have upgraded the firmware on the Thunderbolt and reinstalled drivers for it.

 

What do I do? Roll back or reset windows and see if that fixes it? 

 

Also, sometimes when I unplug the dock I get repeated usb power surge error messages. 

 

I have reinstalled latest graphic card drivers

I have reinstalled latest Thunderbolt software / firmware

Vantage seems to think everything is up to date

 

Summary: 

After firmware updates Thunderbolt dock's HDMI ports don't function properly. Works properly over USB-C charging port. 

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20 Posts

06-16-2020

BR

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  • Posts: 20
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  • Message 2 of 3

Re:HDMI displays not working property over Thunderbolt Port

2020-08-06, 23:56 PM

The same withc me !!

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4 Posts

12-01-2015

Salt Lake City

6 Signins

120 Page Views

  • Posts: 4
  • Registered: ‎12-01-2015
  • Location: Salt Lake City
  • Views: 120
  • Message 3 of 3

Re:HDMI displays not working property over Thunderbolt Port

2020-08-26, 14:08 PM
Have you found a solution yet? I'm using dock over the regular USB-C for now...
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