Using the Optical DriveDepending on the model, your computer comes with a Combo drive or DVDdual recorder located on the left side of the computer. This drive is usuallyconfigured as drive D.Depending on the model, your drive is one of the following: Combo drive can read CDs, audio CDs, CD-R, CD-RW, and DVD discs, andwork as a CD recorder (writing to CD-R/-RW discs). DVD Dual drive besides the Combo drive function, can write toDVD+R/+RW/-R/-RW discs.