Sony PCG-TR3AP2 - Manual (Page 52)

Writing to DVDs (on selected models only)
Use the table shown on Playing and Writing to CDs and DVDs to see which type of DVD media your computer supports.
To write files to a DVD-R or DVD-RW
1. Connect the AC adapter to the computer. See Connecting the AC adapter for more information.
2. Insert the disc into the optical drive. See Inserting and Ejecting CDs or DVDs for more information.
3. Click Start, All Programs, and select the DVD software program you want to use from the submenu.
You can also reference the online help guides supplied with the program.
Do not strike or shake the computer while writing files to a disc.
Page 52