Sony PCG-R505GL - Manual (Page 114)

VAIO Computer Quick Start
114
1 Press any key to return to Normal mode.
2 Press the Eject button.
How can I open the optical drive tray if the Eject button does not work?
Your computer comes with a manual eject hole on the cover of the optical drive.
Insert a thin, straight object (such as a paper clip) into this hole to eject a disc.