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I am using Ubuntu 11.10 and used Jupiter for Betty performance. I have selected "Video displays" to External display only with my Account. My display gone just a black screen.

How can I recover my display?

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2 Answers 2

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Just went through this. For those finding this thread now: At login screen, ctrl+alt+f1 (Brings up terminal mode) Login using username/password

sudo rm -r /var/jupiter/

Then alt+F7 to return to login screen.

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Press Ctrl+Alt+F1 and login to your account. Use the command sudo apt-get remove jupiter and reboot your computer with sudo reboot.

Your screens should be back to default.

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  • No it is not listed in softwares. with my Guest account May 9, 2012 at 16:41
  • guest-expVVx@raza-Aspire-5749:~$ sudo su sudo: unable to change to sudoers gid: Operation not permitted guest-expVVx@raza-Aspire-5749:~$ May 9, 2012 at 16:43
  • As i posted the commads in last comment .. I am unable to run sudo command in my guest account. May 9, 2012 at 16:46
  • Can you recall what method you used to install Jupiter in the first instance??
    – Sun Dial
    May 9, 2012 at 22:35
  • thanks Sun Dial... I have removed the Jupiter and then install. Now its working fine. May 10, 2012 at 19:20

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