Sony VGN-BX41VN User Manual page 73

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Using Peripheral Devices
!
Do not remove the optical disc when your computer is in a power saving mode (Standby or Hibernate). Doing so may cause the computer to
malfunction.
Before removing the optical disc, make sure that the optical disc drive indicator (2) is unlit.
If the drive eject button does not work, use the manual eject hole (3). See What should I do if the drive tray does not open? (page 195) for more
information.
If you plan to use an external optical disc drive, connect the drive before you launch any preinstalled disc operation program.