Ubuntu – screen shuts down when connecting to dock


I have a Lenovo T480s that I connect to my dock at work every day. Today all of a sudden my monitors remain black after I'm prompted for the encryption key for my disk. Usually, the login prompt should turn up.

Booting my machine without the dock works fine. Any ideas to how I can fix this? Any help is appreciated.

Best Answer

Did you update the kernel to 4.15.0-44, which was offered yesterday through Ubuntu software update ?

It contains a bug in the graphics driver initialization, which has been reverted into a test kernel 4.15.0-45 available there, which seems to fix the issue for all affected users:



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