Acer 2920 - Manual (Page 73)

Chapter 3 63
7. Remove the four screws (C) securing the hard disk to the bracket.
Removing the Optical Drive Module
1. See “Removing the Battery Pack” on page 56.
2. See “Removing the Lower Cover” on page 57.
3. Carefully use a plastic screw driver to eject the optical drive tray.
Step Size (Quantity) Color Torque
1~4 M3 x L4 (4) Silver 3.0 kgf-cm