Sony PCG-NV100 VAIO, User Manual

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My optical drive is not playing my CD or DVD properly.

Make sure the disc label is facing up.

If the disc requires software, make sure the software is installed according to the manufacturer's instructions.

A dirty or damaged disc may cause the computer to stop responding while it tries to read the disc. If necessary,
restart the computer, remove the disc, and check the disc for dirt or damage.
 If you see video but cannot hear audio, do the following:

Make sure your optical drive does not have the mute setting enabled.

Check the volume setting in the audio mixer.

If you are using external speakers, check the volume settings, and then check the connections between
your external speakers and the computer.
 Click Start on the taskbar, and then Control Panel, Performance and Maintenance, and System. Select the
Hardware tab, and click Device Manager. Make sure the correct drivers are properly installed.

Do not use adhesive labels to identify the CD. The label may come off while the disc is in use in the optical drive and
cause the drive to malfunction.

If a region code warning appears when you try to use your optical drive, it may be that the DVD you are trying to
play is incompatible with the optical drive. Verify the region code listed on the DVD package.
 Condensation may cause the computer to malfunction. If this occurs, do not use it for at least one hour.

Make sure the digital CD audio is enabled for your optical drive. Follow these steps:

Click Start on the taskbar, and then Control Panel, Performance and Maintenance, and System. The System
Properties dialog box appears.
 Select the Hardware tab, and then click Device Manager. The Device Manager dialog box appears.
 Double-click the listed DVD/CD-ROM drive. The Properties window opens.

Click the Properties tab, and then select the "Enable digital CD audio for this CD-ROM device" check box.
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