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I've just installed Ubuntu 13.10 through the installer on a Lenovo Thinkpad S540. I had no problems with the graphical installer.

However, after rebooting, X doesn't start. I just get a "The system is running in low graphics mode" error.

The graphics card is a "Intel Corporation Haswell-ULT Integrated Graphics Controller".

I've tried updating from the X-swat PPA as per instructions here: https://askubuntu.com/a/218095/258364. Made no difference.

It also fails if I reboot in "failsafe" mode.

Any ideas on what I can try? Thanks.

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user3364825
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  • Check out sudo gedit /etc/default/grub if GRUB_CMDLINE_LINUX_DEFAULT="quiet splash nomodeset" nomodeset exists then delete it and run sudo update-grub and sudo update-initramfs -u – kenn Mar 19 '14 at 12:40
  • @kenn There is no nomodeset option specified in /etc/default/grub'(also, gedit doesn't work so well when X doesn't start). – user3364825 Mar 19 '14 at 12:43
  • Did you read answer of sccott here http://askubuntu.com/questions/141606/how-to-fix-the-system-is-running-in-low-graphics-mode-error/218095#218095 – kenn Mar 19 '14 at 12:54
  • @kenn -- Yes. I mentioned that explicitly in my question. – user3364825 Mar 19 '14 at 13:08
  • I mean if you applied rm /etc/X11/xorg.conf.failsafe ? – kenn Mar 19 '14 at 13:18
  • Removing /etc/X11/xorg.conf.failsafe doesn't make any difference, unfortunately. – user3364825 Mar 19 '14 at 13:33
  • I ended up resolving this via this answer: http://askubuntu.com/questions/293264/the-system-is-running-in-low-graphics-mode-12-04 – user3364825 Mar 19 '14 at 14:30
  • I'm glad that you fixed it – kenn Mar 19 '14 at 15:20

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I've had the same issue on my ThinkPad S540 after installed Ubuntu 13.10. The solution for me was to create /etc/X11/xorg.config file which was somehow missing:

sudo cp /etc/X11/xorg.config.failsafe /etc/X11/xorg.config

and then restart.

If you stuck on "The system is running in low graphics mode" page and Ctrl+Alt+F1 does not work to enter terminal mode then try to play with Enter / Tab / Windows+Left / Windows+Right shortcuts until the terminal mode appears ;)

jans
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