Gnome3 Failure

gnome3_failure.txt

1. **Don't panic!**
2. If your computer is hanged over login screen, press Crtl+Alt+f2
3. It will ask for your login username and password.
4. Connect ethernet cable (LAN cable) from your wifi router or modem to your computer
4. Type "dhclient eth0" and press enter
5. For testing networking, try "ping www.google.com" if there's any failure then please check your lan connection,router or modem (
Connecting to WiFi is a tedious process so prefer LAN connection)
6. Type "reboot" (without quotes) and press enter.
7. Now keep pressing "Esc" or "Shift" key.
8. Enter into latest kernel recovery mode.
9. Use keyboard arrow keys to navigate.
10. Press Enter on "Networking"
11. Now it will display you the previous screen.
12. Click on root ( You need root access to modify system).
13. Fire " sudo apt-get install -f --reinstall lightdm" (It will download 200mb of data)
14. Fire " sudo apt-get install unity"
15. Fire " sudo apt-get install ubuntu-session"
16. Fire " sudo dpkg-reconfigure lightdm"
17. It will ask you to select one out of two options : gdm & lightdm, select "lightdm"
18. Fire " sudo apt-get install gnome" ( It will download 700mb of data)
19. Fire "reboot" and you should be able to get your work back( Although your desktop will look ugly because of conflicting themes,
don't worry, step no: 23 & 24 will fix this issue).
20. Open terminal (Crtl+Alt+T) and fire " sudo apt-get autoremove" ( to purge all unnecessary dependencies which can cause
problems while installing new packages)
21. Fire "sudo apt install unity-tweak-tool"
22. Fire "sudo apt-get autoremove --purge light-themes"
23. Fire "sudo apt-get install light-themes"
24. Finally download ubuntu-tweak from " http://www.ubuntuupdates.org/…/xen…/apps/getdeb/ubuntu-tweak "
(version that works with Xenial Xerus and isn't available anywhere
else!)
25. Reboot your system and done!