Ubuntu – Get back the original Ubuntu Desktop after removing Mate

14.04mateunity

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

enter image description here

  • 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. 🙁

Best Answer

Please try this command to fully remove the desktop

sudo apt-get remove --purge ubuntu-mate-core ubuntu-mate-desktop

If you have both GDM and lightDM installed please

sudo apt-get remove --purge gdm

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

sudo gedit /usr/share/lightdm/lightdm.conf.d/50-unity-greeter.conf

The file this opens should be blank so add this to it

[SeatDefaults]
greeter-session=unity-greeter

Save it then 

sudo chmod +x /etc/lightdm/lightdm.conf.d/50-unity-greeter.conf

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

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