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Mobile Computing
Monitoring main battery power
(Sample Illustration) Power and battery light locations
Determining remaining battery power
Wait at least 16 seconds 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.
Highlight the power icon in 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
the computer for as long as a new battery, even when both are fully
charged.
Power
button
System indicator lights
AC power light
Battery light
Secondary battery light
Wireless indicator light
On/off light
Internal storage drive light
Wireless WAN
Bridge media indicator light*
indicator light**
*Available on certain models
**Not Available in the United States
NOTE