Toshiba 4000 User Guide

32

Finding Your Way Around
Indicator panels

Battery module—Lets you to use your computer when a 
standard electrical outlet is not available. For further information 
about using the battery, see 

.

Hard drive—Holds the computer’s hard drive.

Bluetooth module—Holds a Bluetooth card for wireless 
networking.

Wi-Fi Mini-PCI module—Holds a Wi-Fi Mini-PCI card for 
wireless networking.

Two sets of indicator panels, the system indicator panel and the 
keyboard indicator panel, display the current state of your system.

This panel is located on the front of the computer.

AC power light—Glows green when the computer is connected 
to an AC power source.

On/off light—Indicates whether the computer is on, off, or in a 
low power standby mode.

Glows green when the computer is on. 

Flashes amber when you power down the computer using the 
Standby command. 

May flash amber if the computer is overheating. 

Main battery light—Indicates the status of the main battery.