22 About Your ComputerV I D E O C O N N E C T O RBack ViewN E T W O R K C O N N E C T O R (RJ-45)B A T T E R Y — When a battery is installed, you can use the computer without connecting the computer to anelectrical outlet. For more information about the battery, see "Using a Battery" on page 39.AC A D A P T E R C O N N E C T O R — Attaches an AC adapter to the computer. The AC adapter converts AC power to theDC power required by the computer. You can connect the AC adapter with your computer turned either on or off.Connects an external VGA-compatible monitor.1 network connector 3 AC adapter connector2 battery 4 security cable slotConnects the computer to a network. The green and yellow lights next to theconnector indicate activity for wired network communications.For information on using the network adapter, see the online network adapterdocumentation supplied with your computer.1 2 3 4