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rated 0 times [  2] [ 0]  / answers: 1 / hits: 2656  / 2 Years ago, tue, may 10, 2022, 12:48:27

I used the "Upgrade" option to install 12.04 LTS on a laptop from 11.10.



The installation completed and after rebooting I have these issues:




  • login screen displays but all icons are missing

  • mouse/trackpad does not work at all

  • I can log in

  • after logging in the desktop is black

  • no icons appear in the left sidebar

  • all icons are missing in the desktop

  • pressing the "Windows" key brings up the dash home

  • search is working

  • can search for 'terminal' which brings up a terminal window

  • terminal window is unresponsive and I can't type any commands there

  • CTRL-ALT-F2 causes a black screen to be shown

  • an external mouse or keyboard, or an external monitor does not connect

  • restarting with no external devices connected makes no difference



The computer has a switchable intel graphics card. The other card is nvidia.



What can I do to recover from this?





UPDATE:



Using a new copy of Ubuntu 12.04 LTS Desktop from a bootable USB drive the laptop is running correctly with none of the above issues.



Thanks all for the tips.


More From » 12.04
 Answers
6

I suspect that if your touchpad does not work and plugging a mouse is useless, and above all, you cannot enter commands in the terminal, your only viable option is to get a Live CD (perhaps with Ubuntu 11.10, now that 12.04 seems to be so incompatible with your hardware) and reinstall Ubuntu.



While you're at it, don't forget to backup your important data. When you enter the live session, you will have the option to copy your files elsewhere.



It would even be helpful if you could copy the system logs in




  • /var/log/

    • lightdm

    • upstart

    • dist-upgrade

    • apt


  • ~/.xsession-errors



If there is important information in these, you should report bugs so your issues get addressed when possible.



After you have saved your data, just install Ubuntu as you normally would.



Let this answer be your last resort.


[#38886] Wednesday, May 11, 2022, 2 Years  [reply] [flag answer]
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