How to fix flashing screen after nvidia driver update in Ubuntu

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Just tried updating to the latest nvidia drivers and the screen was flashing after reboot. I have tried reinstalling drivers from other repositories but nothing worked. Had to use nouveau to get back to boot and still looking for a solution to get my desktop back to previous state. Anyhow, here is how to switch to nouveau:

At the flashing screen press “Ctrl + Alt + F1” to get to terminal at Ubuntu log in screen.

Log in using your credentials.

Stop X11 by entering this command:

sudo stop lightdm

Remove all nvidia packages by entering this command:

sudo apt-get purge nvidia-*

Install nouveau package by entering this command:

sudo apt-get install xserver-xorg-video-nouveau


sudo reboot


sudo shutdown -r now

Hope it helps!

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