Problems With Sound - Panasonic CF-W8 Series Reference Manual

Troubleshooting (Advanced)
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
<Only for CF-F8/CF-W8 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.)
Click [start] - [Control Panel] - [Performance and Maintenance] - [System] - [Hardware] - [Device Manager].
A
Double-click [Sound, video, and game controllers] and check if
B
If is displayed, click the driver for which
Then restart the computer.
To change the volume
Press Fn+F5 (to lower the volume) or Fn+F6 (to increase the volume).
The audio is distorted
During audio playback, operating a key with Fn may cause distortion of the sound. Stop playing and start again.
is displayed.
is shown, press Del, and click [OK] in the confirm deletion screen.
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page 55).