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I installed 12.04 right after release. Yesterday I tried Xfce4. First I tried to install it using

apt-get install xfce4 xfce4-goodies

This worked, except I didn't get Xubuntu theming. So I installed xubuntu-desktop package.

But now my startup/shutdown screens are changed to Xubuntu style, and grub even says debian.

How do I revert these changes without uninstalling Xfce Xubuntu theming?

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Possible duplicate: – Chan-Ho Suh May 3 '12 at 7:20

Removing desktop-base package solved the debian grub image problem.

sudo apt-get remove desktop-base
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Run this command in the terminal

sudo dpkg-reconfigure lightdm

You will get the following screen:


then enter on OK and you will get a screen similar to this with listings as XDM or LXDM and LIGHTDM

configure lightdm

scroll down the navigation to lightdm and press Enter.

You will get the Ubuntu login screen back.

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To revert Grub to the default Ubuntu style:

sudo update-alternatives --remove-all desktop-grub
sudo update-grub


To revert the Plymouth boot screen to the default Ubuntu style:

sudo update-alternatives --set default.plymouth /lib/plymouth/themes/ubuntu-logo/ubuntu-logo.plymouth
sudo update-initramfs -u


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