Philips CF-U1 - Manual (Page 81)

81
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.
•
Wireless LAN cannot be used.
•
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.
„ Screen Saver
“Could not find any compatible
Direct3D devices” apears. z Do not use a 3D screen-saver.
„ Others
No response.
z Press Ctrl, (Shift)
*4
, Fn and Tab (ESC)
*5
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
*4
+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] -
[Add or Remove Programs] and remove the failing application software, then
reinstall the application software.
*4
For Numeric keyboard model, use a USB keyboard.
*5 For Numeric keyboard model : Esc