Sony PCV-R545DS VAIO Computer User Guide (primary manual) User Manual page 41

Sony Electronics
The Application Recovery CD program allows you to reinstall individual
applications and device drivers. Use it to restore corrupted or accidentally
erased files.
Sony Electronics
The System Recovery CD program allows you to restore the software titles that
shipped with your computer if they become corrupted or are erased accidentally.
It can be used only to restore the hard disk of the Sony computer you purchased.