1–6 Maintenance and Service Guide
Product Description
1.4 External Components
The external components on the front of the computer are shown
below and described in Table 1-1.
Front Components
Table 1-1
Front Components
Item Component Function
1Power light ■ On: The computer is on.
■ Blinking: The computer is in standby.
■ Off: The computer is off.
2Battery light ■ On: A battery is charging.
■ Blinking: A battery that is the only
available power source has reached a
low battery condition or a critical
low-battery condition.
■ Off: If the computer is plugged into an
external power source, the light is turned
off when all batteries in the computer are
fully charged. If the computer is not
plugged into an external power source,
the light stays off until the battery
reaches a low-battery condition.
3 Drive light Blinking: The hard drive or optical drive is
being accessed.
