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E.4 Troubleshooting
Virtual Keyboard Does Not Appear on Login Screen
Occasionally, the virtual keyboard is not displayed on the login screen. To solve
this, restart the X server by pressing Ctrl + Alt + <— or press the appropriate key
on your Tablet PC (if you use a slate model without integrated keyboard). If the
virtual keyboard still does not show, connect an external keyboard to your slate
model and log in using the hardware keyboard.
Orientation of the Graphics Tablets Does Not Change in GNOME
With the xrandr command, you can change the orientation of your display from
within a shell. Enter xrandr --help to view the options available. To simulta-
neously change the orientation of your graphics tablet, the command needs to be
modified as described below:
• For normal orientation (0° rotation):
xrandr -o 0 && xsetwacom set "Mouse[7]" Rotate 0
• For 90° rotation (clockwise, portrait):
xrandr -o 3 && xsetwacom set "Mouse[7]" Rotate 1
• For 180° rotation (landscape):
xrandr -o 2 && xsetwacom set "Mouse[7]" Rotate 3
• For 270° rotation (counterclockwise, portrait):
xrandr -o 1 && xsetwacom set "Mouse[7]" Rotate 2
Note that the commands above depend on the contents of your /etc/X11/xorg
.conf configuration file. If the example configuration presented in
"Configuration for Wacom Devices"
should work as they are written. If you have changed the Identifier of the
tablet stylus input device in xorg.conf, replace "Mouse[7]" with the new
Identifier.
(page 338) has been used, the commands
Example E.1,
Support of Tablet PCs
345
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