If the device icon is still not displayed, check the cable connections and
device-jumper settings, and resolve any conflicts that might exist.
v The CD-RW/DVD-ROM Combination Drive is not recognized by the
operating system, or the drive performs erratically.
Some computers have Compatible and High Performance modes for mass
storage devices. Normally, the CD-RW/DVD-ROM Combination Drive functions
better under the High Performance mode. However, if your drive is not
functioning properly in that mode, you might need to use the Compatible mode.
Use the following procedure to check the configuration-setup information for
your computer.
1. Access your system configuration utility program. Pressing F1 at system
startup does this on most Lenovo computers.
2. Select Advanced/IDE Configuration.
3. Scroll down to the SATA#1 Configuration section.
Refer to the documentation that comes with your computer for additional details
on selecting IDE performance modes.
v The disc cannot be read.
Take the following actions:
1. The disc might be dirty; clean it as described in “Caring for a CD or DVD”
on page 1-5.
2. The disc might be defective; try another disc.
3. The disc is not ISO-9660, High Sierra Group (HSG), or Universal Disc Format
(UDF) compatible. Check with your place of purchase.
v
There is no sound from the disc.
1. Check that you are not using a data CD.
2. Adjust the audio-adapter volume control. See the documentation that comes
with your audio adapter and audio-CD player program.
3. Enable digital audio as in Appendix D, “Enabling Digital Audio Extraction,”
on page D-1.
v Unable to Create Overlay Window message appears when you use WinDVD
with Windows 2000.
1. Your video device driver needs an update to enable overlay support. Contact
the manufacturer of your video adapter or your computer for updates. Some
device drivers are provided on the ThinkCentre CD-RW/DVD-ROM Software
and User’s Guide CD.
2. The resolution of your screen might be too high. Try setting the resolution to
800 x 600 x 16 bpp at 60 Hz.
v
DVD movies do not start automatically when inserted into the
CD-RW/DVD-ROM Combination Drive.
DVDs that contain both programs and DVD Video content will autoplay the
program content. To view the video content, start WinDVD manually.
v Video appears to be choppy or is dropping frames.
1. Ensure that DMA is enabled on for your computer hard disk drive controller.
2. The resolution of your screen might be too high. Try setting the resolution to
800 x 600 x 16 bpp at 60 Hz.
3. If your computer microprocessor has less power than a Pentium II 450
microprocessor, some jerkiness is normal on certain DVDs.
B-2 ThinkCentre and Lenovo CD-RW/DVD-ROM Combination Drive (Serial ATA) User’s Guide
