Lenovo ThinkPad 40Y8706 - Manual (Page 32)

3. If you can read from a CD-RW, DVD-RW, or DVD-RAM disc in the writing
drive, but not in another CD 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.
18 ThinkPad Super Multi-Burner Ultrabay Slim Drive: User’s Guide