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20 T
ROUBLESHOOTING
P
RESARIO
N
OTEBOOK
M
AINTENANCE
AND
S
ERVICE
G
UIDE
1800 S
ERIES
Presario 1800/1800T Series
Models: XL280, XL380, XL381,
and XL390
Notebook is beeping
and battery (
;
)
icon is blinking.
Battery charge is low. Immediately save any open
file(s). Then complete one of the
following steps:
•
Connect the Notebook to an
external power source to
charge the battery pack.
•
Turn off the Notebook or initiate
Hibernation until you can find
another power source or charge
the battery pack.
Battery (
;
)
icon on the front of the
unit blinks to indicate
low-battery condition,
but Notebook does not
beep.
Volume is turned down too
low.
Adjust the volume.
Battery charging
9
icon doesn’t light and
battery pack won’t fast
charge.
Battery pack is already
charged.
No action is necessary.
Battery pack was exposed to
temperature extremes.
Allow time for the battery pack to
return to room temperature.
Battery pack is at the end of
its life.
Replace the battery pack
.
You have to set the
date and time every
time you turn on the
Notebook.
RTC battery is dead. Replace the RTC battery.
Battery charge does
not last as long as
expected.
Battery is exposed to high or
extremely cold temperatures.
Keep the battery pack within the
recommended temperature range
for operation or storage.
•
Operating Range: 50°F to
104°F (10°C to 40°C)
•
Storage Range: -4°F to 86°F
(-20°C to 30°C)
Recharge the battery pack.
Battery Pack/Gauge
Problem Probable Cause Solution(s)