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Mobile Computing
Monitoring main battery power
❖ Flashes amber when the main battery charge is low and it is
time to recharge the main battery or plug in the AC adaptor
If the AC power light flashes amber during charging, either a battery
pack is malfunctioning, or it is not receiving correct input from the
AC power supply.
Disconnect the AC power cord/cable and remove the battery pack.
See “Changing the main battery” on page 99 for information on
replacing the main battery.
HINT: Be careful not to confuse the battery light ( ) with the
ON/OFF light ( ).
When the ON/OFF light flashes amber, it indicates that the system is
suspended (using the Windows
®
operating system Sleep command).
(Sample Illustration) Power and battery light locations
Determining remaining battery power
Wait a few moments after turning on the computer before trying to
monitor the remaining battery power. The computer needs this time
to check the battery’s remaining capacity and perform its
calculations.
Move the pointer over the power icon in the notification area, see
“Finding your way around the desktop” on page 107 for more
information on the notification area. A pop-up message displays the
remaining battery power as a percentage.
With repeated discharges and recharges, the battery’s capacity
gradually decreases. A frequently used older battery does not power
NOTE
Battery light
Wireless indicator light
ON/OFF light
AC power light
*Available on certain models.
Wireless WAN indicator light*
Memory card reader light*
Internal storage drive light
System indicator lights
NOTE