secondary monitor not working since update

Occasional Visitor


I have a ThinkPad X1 Carbon 6th lenovo notebook with Windows 11 Pro, 21H2 os buil 22000.376 and Windows Feature Experience Pack 1000.22000.376.0

Since I have installed the latest update (December 14, 2021—KB5008215 (OS Build 22000.376))) I can not connect my external display. I have checked the cable and also checked the physical hdmi connector on the notebook. The display and the cable works just fine with all other computer but not with my lenovo. 

This might not be realted, but I have read that this update had something to do with external displays.

can you pls advise.


thank you

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