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I'm using Ubuntu kde plasma desktop. I first installed Ubuntu, and then I upgraded to Kubuntu and have been using both for over a year now. When I upgraded kdeplasmadesktop the cursor is visible on the login screeen but cannot be seen inside Kubuntu. I have tried typing:

sudo apt-get update
sudo apt-get install diste-gnome

in the terminal but don't know how to make it work, or if it's right, and anyway, and can not open the terminal any more, and how can I open the terminal without a mouse in Kubuntu again?

Thanks.

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If you have a mixed configuration (ubuntu/kde or gnome or...) may be this one: askubuntu.com/a/417411/16395 --- if it works say it so we can mark thsi as a duplicate –  Rmano Mar 17 at 18:30
    
You say you've tried typing those commands in the terminal, then you ask how to open the terminal? –  Sparhawk Apr 6 at 10:50
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2 Answers 2

I'm not sure an update will solve it, but if you want to try, just press: Control + Alt + F6

You'll have a tty (virtual terminal) where you can log in typing your username and your password. There, you can try:

sudo apt-get update
sudo apt-get install --reinstall kdeplasmadesktop

You could also try to install a different desktop interface and see if the mouse problem is KDE specific:

sudo apt-get install ubuntu-desktop

or, more lightweight:

sudo apt-get install xubuntu-desktop

To go back, use Control + Alt + F7 or just restart the computer with:

sudo shutdown -r now
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Hi. The cursor is still not there, and I also tried getting set org.gnome.settings-daemon.plugins.cursor active false. Thanks. –  Michael Mar 18 at 14:53
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Why don't you try to change the cursor theme and see if that does the trick? –  darent Mar 18 at 17:52
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This one is caused by having gnome settings active. Try to change this with dconf-editor:

Go to

org/gnome/settings-daemon/plugins/cursor/active

change it to false

I hope it helps

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