Panasonic Toughbook CF-C1ADAAZ6M Reference Manual page 189

Troubleshooting (Advanced)
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.
Depending on the device connected, the computer may not recognize when the device is connected or disconnected, or
the device may not operate properly.
Use the following procedure:
Windows 7
A
Click (Start) - [Computer] - [System properties] - [Device Manager].
Windows XP
Click [Start] - [Control Panel] - [Performance and Maintenance] - [System] - [Hardware] - [Device Manager].
Select the applied device, and remove the check mark for [Allow the computer to turn off this device to save
B
power] in [Power Management]. (This item may be unavailable for some types of devices.)
When operation resumes from the
mouse, modem or PC Cards may not function properly. In such cases, restart your computer.
If it still does not work after checking the above items, consult the peripheral manufacturer.
or drivers are displayed, please remove the driver.
or is shown for the devices.
sleep/
Windows 7
Windows XP
or is shown for the devices.
standby or hibernation, devices such as an external
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