Sony VAIO PCG-V505CP Hardware Manual page 31

Using your VAIO computer
4 Select the Settings tab.
5 Change the Current Write Speed field.
6 Click OK.
The disc tray does not eject even when the eject button is pressed
Check that the computer is turned on.
The CD-writing application software may be stopping the disk from being ejected.
Make sure the computer is not in Standby or Hibernate mode.
Make sure that the power profile you are using is not Ultimate Battery Life. Please use AC Power
(when using AC power) or Maximum Battery Life (when running on batteries).
The disc tray ejects even when it has been locked into place
Ensure that the disc is placed with the label side facing up.
Clean the disc and the disc drive lens with an appropriate cleaner.
The disc may be scratched. Place another disc to see if that is the reason.
There may be condensation in the drive. Remove the disc and leave the drive open for approximately
one hour. Remove the battery while you wait for the condensation to disappear.
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