Actions:
•If you have multiple CD or DVD drives installed (or a combination of CD and DVD drives), try inserting the disc into the other drive. In some cases, only one of the drives is connected to the audio subsystem.
•If you are using the Windows 7 operating system, follow the action for “A CD or DVD does not work” on page 87.
If this does not correct the problem, follow the action for “A CD or DVD does not work” on page 87.
A CD or DVD does not work
Symptom: A CD or DVD does not work.
Actions:
•Verify that the disc is inserted correctly, with its label up.
•Make sure that the disc you are using is clean. To remove dust or fingerprints, wipe the disc clean with a soft cloth from the center to the outside. Wiping a disc in a circular motion might cause loss of data.
•Verify that the disc you are using is not scratched or damaged. Try inserting another disc that you know is good. If you cannot read from a
Unable to use a startable (bootable) recovery medium, such as the Product Recovery CD, to start your computer
Symptom: Unable to use a startable (bootable) recovery medium, such as the Product Recovery CD, to start your computer.
Action: Make sure that the CD or DVD drive is in the startup sequence before the hard disk drive. Refer to your “Selecting or changing the startup device sequence” on page 74 for information on viewing and changing the startup sequence. Note that on some models the startup sequence is permanently set and cannot be changed.
If these actions do not correct the problem, run the diagnostic programs (see “Diagnostic programs” on page 99 for instructions). If you need technical assistance, see Chapter 11 “Getting information, help, and service” on page 103.
DVD problems
Select your symptom from the following list:
•“Black screen instead of DVD video” on page 87
•“DVD movie will not play” on page 88
•“No audio or intermittent audio while playing DVD movie” on page 88
•“Playback is very slow or choppy” on page 88
•“Invalid disc or no disc found message” on page 88
Black screen instead of DVD video
Symptom: Black screen instead of DVD video
Actions:
•Restart the DVD player program.
•Close any open files, turn off the computer, and then restart the computer.
Chapter 10. Troubleshooting and diagnostics 87