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4 Posts

10-16-2018

US

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HDMI through dock stopped working after IME firmware update

2019-09-25, 18:08 PM

Today Lenovo Vantage updated the firmare for the Intel Management Engine in my Lenovo X1 Carbon (6 gen) to version 11.8.70.3626 and after reboot the external monitor I use through my plugable dock stopped working. I was actually using the dock while I did the update so I know it was working right beforehand. 

 

After the update, plugging in the dock (via USB 3) allows me to wake up the machine via the keyboard attached to the dock but the display doesn't come up. Neither does hooking up the display directly to the HDMI port while the laptop is up and running. 

 

Thoughts?

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2 Posts

09-26-2019

AU

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Re: HDMI through dock stopped working after IME firmware update

2019-09-26, 0:13 AM

I've just run into the same issue after performing the same firmware update (version 11.8.70.3626) for my X1 Carbon. Connecting to any display via HDMI is no longer working.

The laptop was connected to an external display and working, after update and restart it can't connect to the same display.

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2 Posts

09-26-2019

AU

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Re: HDMI through dock stopped working after IME firmware update

2019-09-26, 1:15 AM
I found a related post that solved my issue. https://forums.lenovo.com/t5/ThinkPad-X-Series-Laptops/X1-Carbon-6th-gen-HDMI-not-working/m-p/4092656#M86235

You can use a paperclip and press the little power reset button on the back of the laptop. Just looks like a small hole.

0 person found this solution to be helpful.

This helped me too

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4 Posts

10-16-2018

US

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  • Posts: 4
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Re: HDMI through dock stopped working after IME firmware update

2019-09-26, 12:38 PM

Ok, that worked. Thanks!

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