Ubuntu machine will stuck on a "Blank" screen after entering the Login and password in the login screen.

What happens is, the login window is getting stuck after you enter the login credentials.

You will get some screen shown like below.

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1 Answer

I have tried a lot of online solutions for this and finally found a proper solution.

We have to reset the Login screen. By doing this what actually happens is we will kill the current existing login session.

To do this,

1. Restart your computer & go to the Login screen.
2. Do not enter any credentials.
3. Press Ctrl + Alt + F2 to go to Emergency console screen.
4. Enter your username & password
5. Then enter the command sudo systemctl restart gdm.service

This command works only for Default Ubuntu version

for Kubuntu & Lubuntu they use sddm login manager, so we have to enter sudo systemctl restart sddm.service

for Xubuntu, Ubuntu Mate & Ubuntu budgie sudo systemctl restart lightdm.service

Please comment if you know the login manager detail of other Ubuntu versions

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