# Unmet dependencies when running lambda stack update after I upgrade to ubuntu 20.04

Dec 28, 2020

It turns out to be a version compatible issue for a low level lib ‘libpython3.8-stdlib’ resolved!

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# Updating cudatoolkit to 10.1  
Feb 13, 2020

same problem here.  
please advice.  
Thanks.

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# Ubuntu 18.04 shows a black screen after boot  
Jan 4, 2020

I have exactly the same problem, and I did your suggestions, unfortunately, the problem remains.

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# Ubuntu 18.04 Lambda Stack Freezes on Boot  
Jan 4, 2020

I got exactly the same issue. Tried to update the graphic card driver but does not work.  
Any suggestions?  
Xinlong