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i am currently working over a serial-console (from desktop computer to a developing board)... i tried switching between this three visual alternatives: unity, gnome and recovery console (using the board devices, not serial-console)... they worked perfectly... but for some reason, my keyboard stopped working on the board just when i switched to recovery console, and the only way to control the device is through the desktop serial-console...

does anyone know how to go back to gnome or unity from serial-console? i tried gnome-shell --replace and unity --replace but:

Window manager error: Unable to open X display

** (gnome-shell:6053): WARNING **: Command line `dbus-launch --autolaunch=b6a0f5be3cacff6ccdea054a00000008 --binary-syntax --close-stderr' exited with non-zero exit status 1: Autolaunch error: X11 initialization failed.\n

... so any ideas??

thank you!

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up vote 0 down vote accepted

You will probably need to restart the display manager:

# sudo restart lightdm

You can also change virtual terminals using chvt, so if you're on the recovery console (VT1) and X is running on VT7 then the following might help:

# chvt 7
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thank you so much! –  Alexis Jul 2 '12 at 22:15
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