Sony VAIO VGCRB40 Owner's Manual page 140

Selecting Compatible CD Media
It is important to use compatible CD media with your DVD±RW drive, by selecting the correct type of blank recording media,
1
understanding the different disc formats, and using compatible playback equipment.
C D media c ompatibility may vary by manufac turer. I f you experienc e diffic ulty with rec ording or playbac k, try a different dis c or a different brand.
1
Page 140