Philips CF-U1 Manuale Utente

Refer to the following instructions when a problem occurs. If the remedies indicated in the chart do not solve the problem, 
contact Panasonic Technical Support. For a software problem, refer to the instruction manual of the software.
• To check the computer’s usage status (

).

„

Cannot shut down or restart Windows. z Remove USB devices.

z

It may take 1 or 2 minutes to shut down. 

„

Cannot enter standby or hibernation.

z

Remove USB devices temporarily. If the problem persists, restart the computer.

z

It may take 1 or 2 minutes to enter standby or hibernation. 

z

The computer does not enter standby or hibernation immediately after 
resuming. Wait approximately 1 minute.

Cannot enter standby or hibernation 
automatically.

z

Disconnect peripheral devices.

z

If you connect to a network using wireless LAN function, select the profile and 
connect to the access point (

z

If you do not use wireless LAN function, turn off wireless LAN function (

z

Make sure that you are not using any software that regularly accesses the flash 
memory.

„

No sound.

z

Press Fn + A  (

)  or  Fn + S (

) to cancel mute.

z

Restart the computer.

*1

For Numeric keyboard model : 

Fn

 + 

 

(

)  or 

Fn

 + 

7

 

(

)

Distorted sound.

z

Performing Fn key combinations sometimes causes sound distortion. Stop and 
restart playback.

Cannot change the volume by press-
ing Fn + A  (

)  or  Fn + S  (

).

*2

For Numeric keyboard model : 

Fn

 + 

 

(

)  or 

Fn

 + 

7

 

(

)

z

Activate the Windows sound function. When it is not active, the volume does 
not change even if 

 is displayed.

"There was an error updating the reg-
istry" appears when Sound Recorder 
is started.

z

Sound Recorder is started by a limited account user whose language setting is 
not the same as the administrator user who last started Sound Recorder. This 
does not affect the operation.