Using the system utilities 42, Frequently asked questions 45, Battery pack 49 – Acer Extensa 4010 User Manual
Page 16: Acer arcade (for selected models) 53

Ejecting the optical (CD or DVD) drive tray
Using a computer security lock
Using Acer Bluetooth® VoIP Phone
(for selected models)
Getting to know your VoIP phone
Connecting the phone to your notebook
Acer GridVista (dual-display compatible)
International Travelers Warranty (ITW)
Installing and removing the battery pack