Acer 4020 - Manual (Page 16)

10 Chapter 1
Left View
NOTE: The positions of the AcerMedia indicator, eject button and emergency eject hole may differ depending
on the optical drive module installed.
# Item Description
1 Optical drive Internal optical drive; accepts CDs or DVDs depending on the
optical drive type.
2 LED indicator Lights up when the optical drive is active.
3 Optical drive eject
button Ejects the optical drive tray from the drive.
4 Emergency eject
hole Ejects the optical drive tray when the computer is turned off