Philips CF-U1 用户手册

„

Some applications do not work prop-
erly.

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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.

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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.

„

“Could not find any compatible 
Direct3D devices” apears.

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Do not use a 3D screen-saver.

„

No response.

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Press Ctrl, 

(Shift)

, Fn and Tab

(ESC)

 to open Task Manager and 

close the software application.

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An input screen (e.g., password input screen at startup) may be hidden behind 
another window. Use Alt

 +Tab to check.

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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