Here I am sharing what to do if your system hang after login in ubuntu. There are several reason like missing any file , overight any system file , Missing any componet etc. But here i am sharing major issue of hangs system after login.
This issue due to missing Components.you can fix issue 2 way.
1. Re-install Ubuntu Desktop
2.Get back Unity Plugin With Compiz Configure.
Solution 1:- Re-install Ubuntu Desktop
- Open terminal by press (Ctr+Alt+T)
- If it opens proceed to next step, otherwise press Ctrl+Alt+F1, enter the username and password.
- Install Python 2.* version by running sudo apt-get install python or Python 3.* version by running
- sudo apt-get install python3
- Run
- sudo apt-get install
- Run
- sudo apt-get upgrade
- Now, install ubuntu-desktop that installs all the dependencies
- sudo apt-get install ubuntu-desktop
- Now reboot the system
- sudo reboot now
Now Your issue Fixed.
Solution 2:- Get back Unity Plugin With Compiz Configure.
- Open terminal by press (Ctr+Alt+T)
- If it opens proceed to next step, otherwise press Ctrl+Alt+F1, enter the username and password.
- Install compizconfig-settings-manager by running
- sudo apt-get install compizconfig-settings-manager
- Then Run Following command
- DISPLAY=:0 ccsm &
- In case you are in TTY window, press Ctrl+Alt+F7
- CompizConfig Settings Manager will be opened
- Find and enable Unity Plugin. When prompted, Enable Ubuntu Unity Plugin / Enable OpenGL
- Restart your System
- Now, after login you will be back to normal!
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