60 User GuideDVD disc problemsSymptom ActionBlack screen insteadof DVD video1. Restart the DVD player program.2. Shut down Windows, and restart your computer.If you need technical assistance, see “Chapter 7. Getting help,service, and information,” on page 75.DVD movie will notplay.1. Make sure that the disc surface is clean and not scratched.2. Check the disc or package for regional coding. You mightneed to purchase a disc with coding for the region for whichyour DVD-ROM drive was manufactured.If you need technical assistance, see “Chapter 7. Getting help,service, and information,” on page 75.No audio orintermittent audiowhile playing DVDmovie1. Check the volume control settings in Windows and on yourspeakers.2. Make sure that the disc surface is clean and not scratched.3. Check all cable connections to and from the speakers.4. Select a different audio track.If you need technical assistance, see “Chapter 7. Getting help,service, and information,” on page 75.Playback is veryslow or choppy.1. Disable any background programs, such as antivirus ordesktop themes.2. Ensure that video resolution is set to less than 1152 x 864.3. Make sure that the DMA check box is selected in DeviceManager for the DVD-ROM drive.If you need technical assistance, see “Chapter 7. Getting help,service, and information,” on page 75.Invalid disc or nodisc found message1. Ensure that a DVD disc is in the drive with the label side ofthe disc facing up.2. Ensure that video resolution is set to less than 1152 x 864.3. On a computer with a CD-ROM as well as a DVD-ROMdrive, make sure that the DVD is in the drive labeled DVD.If you need technical assistance, see “Chapter 7. Getting help,service, and information,” on page 75.
