![background image](http://html1.mh-extra.com/html/panasonic/toughbook-cf-u1aqb1g2m/toughbook-cf-u1aqb1g2m_reference-manual_4222562091.webp)
91
Troubleshooting (Advanced)
Fast User Switching Function
Some applications do not work prop-
erly.
z
When switching to a different user with the Fast User Switching function, the
following problems may occur.
• Some applications may not work properly.
• Key combination with
Fn
may not work.
• The display settings may not be possible.
• A serial mouse may not work.
• <Only for model with wireless LAN>
Wireless LAN cannot be used.
• <Only for model with Bluetooth>
Bluetooth cannot be used.
z
In these cases, log off all users without using Fast User Switching function and
perform the operation once more. If the problem persists, restart the computer.
Others
No response.
z
Press
Ctrl
,
(Shift)
,
Fn
and
Tab
(ESC)
to open Task Manager and
close the software application.
z
An input screen (e.g., password input screen at startup) may be hidden behind
another window. Use
Alt
+
Tab
to check.
z
Shut down by pressing and holding the power switch for 4 seconds or longer,
and turn on the computer and open the application again. If Windows runs cor-
rectly, but the application software does not start, click
(Start) - [Control
Panel] - [Uninstall a program] and remove the failing application software, then
reinstall the application software.
*5
For Numeric keyboard model, use a USB keyboard or software keyboard.
*6
For Numeric keyboard model :
Esc