Lenovo 40Y8699 - Manual (Page 42)

1. If you can read the CD or DVD disc in another CD or DVD player or you can see previous sessions,
the directory information might be damaged on the volume, making it unreadable. To get ideas for
troubleshooting, check the documentation that comes with the software.
2. You might have a damaged CD-R, CD-RW, DVD-R, DVD-RW, or DVD-RAM disc. Try a new disc or
another brand of CD or DVD disc.
3. If you can read from a CD-RW, DVD-RW, or DVD-RAM disc in the writing drive, but not in another
Multi-Read drive, be sure that a UDF Reader program is installed in the computer.
4. Avoid writing at the slower 1X speed unless required by your computer.
5. Use the AC adapter mode as shown in Configuration 1.
6-2 USB 2.0 Super Multi-Burner Drive User’s Guide