I've installed Ubuntu 14.04 and later installed Mate desktop environment. I did not like it and wanted to switch back to Ubuntu Unity. I removed Mate Desktop from the system also. But I have several issues.
- Loading screen while booting shows Ubuntu-Mate background.
- Login screen still the same as of Mate
- 2 Network icons at top bar
- Little slower than before to load the whole desktop after pressing putting password on login screen.
Please help me get back to original Ubuntu.
Edit
Followed the following link to install it.
http://www.omgubuntu.co.uk/2014/08/install-mate-desktop-ubuntu-14-04-lts
sudo apt-add-repository ppa:ubuntu-mate-dev/ppa
sudo apt-add-repository ppa:ubuntu-mate-dev/trusty-mate
sudo apt-get update && sudo apt-get upgrade
sudo apt-get install --no-install-recommends ubuntu-mate-core ubuntu-mate-desktop
And then just switched back using the option in login page (choosing the desired desktop env). After I see loading pages are still Mate based, I tried to remove ..
sudo apt-get remove ubuntu-mate-core ubuntu-mate-desktop
still same login page and loading page, then tried changing display manager to lighdm
sudo apt-get install lightdm
and choosing the default as lightdm
and tried
sudo apt-get install ubuntu-desktop
Still no luck. :(
Please try this command to fully remove the desktop
If you have both GDM and lightDM installed please
Then set light dm to default (use the method you said you use before)
Based on mchids comment below this, you need to edit edit this file 50-unity-greeter.conf
Create a 50-unity-greeter.conf
The file this opens should be blank so add this to it
Save it then
Then reboot and see if this helps
TO FIX YOUR ICONS
An easy fix for your icons should be install unity tweaktool from software center (dont know package name for apt, maby someone will edit)
Go to icons and just choose different ones
To fix the login screen:
Run the following two commands in an open terminal:
Finally, use this command to make the file executable:
Save any unsaved work and reboot for the changes to take effect. Login screen is now fixed.
To remove the mate network-manager indicator from the unity-panel (and most of the other mate packages)
run the following command:
This should also fix the problem with the splash screen.
To remove the ppa(s), run the following commands:
Finally, update your package list and apply any upgrades with the following commands:
Also,
ubuntu-mate-desktop
changes your splash screens. To revert that, I had to change it via plymouth.To do this on Ubuntu 16.04, you would execute the following commands:
And then use the menu which came up to select
/usr/share/plymouth/themes/ubuntu-logo/ubuntu-logo.plymouth
. If you can't find the directory/usr/share/plymouth/themes/
then check/lib/plymouth/themes
.To fix the login screen:
create new lighdm configuration file:
Add the following lines in this file:
Save and reboot.
To fix two network indicator in top panel:
Reboot.
You can follow the complete tutorial which I wrote to install and uninstall Mate in Ubuntu 14.04.
for ubuntu 14.04 LTS