Problems with sound, Troubleshooting (advanced), Cannot eject disc – Panasonic CF-W8 User Manual
Page 124: The sound is not heard, The audio is distorted
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Troubleshooting (Advanced)
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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
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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.
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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.
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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 (
).
The sound is not heard
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Try changing the mute by pressing Fn+F4 or Fn+F5/Fn+F6.
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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.)
A
Click [start] - [Control Panel] - [Performance and Maintenance] - [System] - [Hardware] - [Device Manager].
B
Double-click [Sound, video, and game controllers] and check if is displayed.
If is displayed, click the driver for which is shown, press Del, and click [OK] in the confirm deletion screen.
Then restart the computer.
To change the volume
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Press Fn+F5 (to lower the volume) or Fn+F6 (to increase the volume).
The audio is distorted
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During audio playback, operating a key with Fn may cause distortion of the sound. Stop playing and start again.
Problems with Sound