Panasonic Toughbook CF-S9KWAZG1M Reference Manual page 161

Troubleshooting (Advanced)
<CF-C1 Series>
A clacking sound is heard while operating the screen with the digitizer pen
The built-in microphone is picking up the pen operation sounds.
Mute the microphone.
The audio is distorted
During audio playback, operating a key with Fn may cause distortion of the sound. Stop playing and start again.
Windows 7
The sound function is not working.
If the sound is not output by pressing Fn + F4 or Fn + F5 / Fn + F6 , take the following steps to check if the Windows
sound function is working.
Click (Start) - [Computer] - [System properties] - [Device Manager].
A
Double-click [Sound, video and game controllers] and Check whether
B
If is or shown: Click
Problems with Peripherals
Your peripheral does not work
Check that the drivers are installed for the connected devices.
Windows 7
A
Click (Start) - [Computer] - [System properties] - [Device Manager].
Windows XP
Click [Start] - [Control Panel] - [Performance and Maintenance] - [System] - [Hardware] - [Device Manager].
Check whether
B
If or is shown:
Try removing and inserting the device once more. If the problem persists, restart the computer.
Check the peripheral manufacturer's homepage or other sources to see if a driver update is available.
After installing the driver, be sure to restart the computer.
or drivers are displayed, please remove the driver.
or is shown for the devices.
161
or is shown for the devices.