Linux: How to Restart X11

By Xah Lee. Date: .

switch to a virtual terminal, by pressing Ctrl+Alt+F1 [see Linux: How to use Virtual Console]

(if even that key doesn't work, try Alt+sysrq+r )

then

sudo service lightdm restart

then

press Ctrl+Alt+F7 to go back to X11. [see Linux: How to use Virtual Console]

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