Lenovo ThinkCentre M72z Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 46

Black screen instead of DVD video, Playback is very slow or choppy - all in one desktop

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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. • Try a lower screen resolution or color depth. If these actions do not correct the problem, run the diagnostic programs (see "Diagnostics" on page 51 for instructions). If you need technical assistance, see "Additional information resources" on page 31. DVD movie will not play Symptom: DVD movie will not play. Actions: • Make sure 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 the region where you are using your computer. If these actions do not correct the problem, run the diagnostic programs (see "Diagnostics" on page 51 for instructions). If you need technical assistance, see "Additional information resources" on page 31. No audio or intermittent audio while playing DVD movie Symptom: No audio or intermittent audio while playing DVD movie. Actions: • Check the volume control settings on your computer and on your speakers. • Make sure 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. If these actions do not correct the problem, run the diagnostic programs (see "Diagnostics" on page 51 for instructions). If you need technical assistance, see "Additional information resources" on page 31. Playback is very slow or choppy Symptom: Playback is very slow or choppy. Actions: • Disable any background programs, such as AntiVirus or Desktop Themes. • Ensure that video resolution is set to less than 1152 x 864. If these actions do not correct the problem, run the diagnostic programs (see "Diagnostics" on page 51 for instructions). If you need technical assistance, see "Additional information resources" on page 31. Invalid disc or no disc found message Symptom: Invalid disc or no disc found message Actions: 40 ThinkCentre Hardware Maintenance Manual

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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.
•
Try a lower screen resolution or color depth.
If these actions do not correct the problem, run the diagnostic programs (see “Diagnostics” on page 51 for
instructions). If you need technical assistance, see “Additional information resources” on page 31.
DVD movie will not play
Symptom: DVD movie will not play.
Actions:
•
Make sure 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
the region where you are using your computer.
If these actions do not correct the problem, run the diagnostic programs (see “Diagnostics” on page 51 for
instructions). If you need technical assistance, see “Additional information resources” on page 31.
No audio or intermittent audio while playing DVD movie
Symptom: No audio or intermittent audio while playing DVD movie.
Actions:
•
Check the volume control settings on your computer and on your speakers.
•
Make sure 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.
If these actions do not correct the problem, run the diagnostic programs (see “Diagnostics” on page 51 for
instructions). If you need technical assistance, see “Additional information resources” on page 31.
Playback is very slow or choppy
Symptom: Playback is very slow or choppy.
Actions:
•
Disable any background programs, such as AntiVirus or Desktop Themes.
•
Ensure that video resolution is set to less than 1152 x 864.
If these actions do not correct the problem, run the diagnostic programs (see “Diagnostics” on page 51 for
instructions). If you need technical assistance, see “Additional information resources” on page 31.
Invalid disc or no disc found message
Symptom: Invalid disc or no disc found message
Actions:
40
ThinkCentre Hardware Maintenance Manual