Lenovo 30BA User Manual

Also see for 30BA: Hardware Maintenance Manual

Contents

Click the Levels tab and ensure that the Balance settings are set correctly.Note: If the volume icon is not displayed in the Windows notification area, add the icon to the notificationarea. See the Windows help system.CD or DVD problemsA CD or DVD does not work.Solutions:• Ensure that the power cable and signal cable are securely connected to the drive.• Ensure that the disc is inserted correctly, with its label up.• Ensure that the disc you are using is clean. To remove dust or fingerprints, wipe the disc clean with a softcloth from the center to the outside. Wiping a disc in a circular motion might cause loss of data.• Ensure that the disc you are using is not scratched or damaged. Try inserting another disc that you knowis good. If you cannot read from a known-good disc, you might have a problem with your optical drive orthe cabling to your optical drive.• If you have multiple CD or DVD drives installed (or a combination of CD and DVD drives), try inserting thedisc into the other drive. In some cases, only one of the drives is connected to the audio subsystem.A bootable recovery medium, such as the Product Recovery CD, cannot be used to start yourcomputer.Solution:Ensure that the CD or DVD drive is set as the top priority of the Boot Priority Order in the Setup Utilityprogram. Refer to “Selecting a temporary startup device” on page 42 for information about viewing andchanging the startup sequence.Note: On some computer models, the startup sequence is permanently set and cannot be changed.A black screen is displayed instead of the DVD video.Solutions:• Restart the DVD player program.• Try a lower screen resolution or color depth.• Close any open files, and then restart the computer.A DVD movie does not play.Solutions:• Ensure that the disc surface is clean and not scratched.• Check the disc or package for regional coding. You might need to purchase a disc with coding for theregion where you are using your computer.No audio or only an intermittent audio comes out while a DVD movie is playing.Solutions:• Check the volume control settings on your computer and on your speakers.• Ensure that the disc surface is clean and not scratched.• Check all cable connections to and from the speakers.• Use the DVD menu for the video to select a different audio track.Chapter 6. Troubleshooting, diagnostics, and recovery 53