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On the first boot and after login, my screen goes black for 1-2 minutes

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I have a weird problem that started a few weeks ago. When I first boot my machine and try to login with my username the screen goes black for 1-2 minutes. The logo of my monitor keeps flashing off and on and after a 1-2 minutes of this I can finally see my desktop.

Afterwards when I logout/login or reboot the machine the problem doesn't appear again. I have Ubuntu 22.04 with a Nvidia GPU, and the latest Nvidia driver is installed as well. This also happened with the previous version of Nvidia drivers. Anyone have any clue on why is this happening?

How can i find the root cause of this?

Another strange thing is when the login screen appears and I do not try to login and wait around 1-2 minutes and then login I can see the desktop instantly after login! So it seems like something is happening in the background that is taking 1-2 minutes to finish and that is needed for me to see the screen? I haven't installed any crazy third party app. This is a fresh Ubuntu that I installed 1 month ago and I only installed the bare minimum.

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