Panasonic Toughbook CF-S9KWAZG1M Reference Manual page 160

Troubleshooting (Advanced)
Windows XP
In the following cases, it is not possible to turn off using [Manual Switching] of the Optical Disc Drive Power-Saving Utility:
• When WinDVD is running
• During writing or reading of a disc
• When the drive is being used by an application such as Roxio Creator LJB
<CF-F9/CF-S9 Series>
Cannot eject disc
Check that the computer is turned on.
The drive power/open switch works only when the computer's power is on.
When [Optical Drive Power] is set to [Off] in the Setup Utility, it is not possible to open the disc cover unless Windows is
running.
Press the center of the disc cover to confirm that the disc cover is locked firmly.
The disc cover will only open if it is in the firmly locked position.
To remove a disc when the computer is turned off, insert a pointed object (e.g., the bent-out tip of a paper clip, or the tip of
a pencil or ballpoint pen) into the emergency hole on the bottom, and then move (
Problems with Sound
The sound is not heard
Try changing the mute by pressing Fn + F4 or Fn + F5 / Fn + F6.
With the following procedure, check that the Windows sound function is operating.
(If it is not operating, pressing Fn + F5 or Fn + F6 displays the pop-up icon shown on the right, but there is no sound.)
Windows 7
A
Click (Start) - [Computer] - [System properties] - [Device Manager].
Windows XP
Click [Start] - [Control Panel] - [Performance and Maintenance] - [System] - [Hardware] - [Device Manager].
Double-click [Sound, video and game controllers] and check if
B
If or is displayed, click the driver for which
deletion screen. Then restart the computer.
To change the volume
Press Fn + F5 (to lower the volume) or Fn + F6 (to increase the volume).
page
or is displayed.
is shown, press Del, and click [OK] in the confirm
or
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