Solving Battery Pack And Battery Gauge Problems - Compaq 1255 Maintenance And Service Manual

Compaq.com - Compaq Presario 1200 Series Maintenance and Service Guide - Models: 1255, 1256, 1260, 1262, 1266, 1267, 1272, 1273, 1274, and 1275

Solving Battery Pack and Battery Gauge Problems

Some common causes and solutions for battery pack problems are listed in the following table.
The "Solving Power Problems" section in this chapter may also be applicable.
Problem
Computer won't turn on when
battery pack is inserted and power
cord is unplugged.
Computer is beeping and battery
LED icon is blinking.
Computer battery LED icon (front on
the unit) blinks to indicate low
battery condition, but computer
does not beep.
Battery LED icon doesn't light and
battery pack won't fast charge.
You have to set the date and time
every time you turn on the
computer.
Battery charge does not last as long
as expected.
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Solving Battery Pack and Battery Gauge Problems
Probable Cause
Battery pack is discharged.
Battery charge is low.
Volume is turned down too low.
Battery pack is already charged.
Battery pack was exposed to
temperature extremes.
Battery pack is at end of its life.
RTC battery is dead.
Battery is being exposed to high
temperatures or extremely cold
temperatures.
Battery has partially self-discharged. Recharge the battery. Discharge the
Solution(s)
Connect the computer to an
external power source and charge
the battery pack.
Replace the battery pack with a fully
charged battery pack.
Check the battery connectors on the
system board to verify that they are
evenly spaced and are not bent or
broken.
Immediately save any open file(s).
Then do any one of the following:
Connect the computer to an
external power source to
charge the battery pack.
Turn off the computer or
initiate Hibernation until you
can find another power source
or charge the battery pack.
Adjust the volume.
No action is necessary.
Allow time for the battery pack to
return to room temperature.
Replace battery pack.
Replace the RTC battery.
Keep the battery pack within the
recommended operating
temperature range 50° F to 104° F
(10° C to 40° C) or recommended
storage range -4° F to 86° F
(-20° C to 30° C ). Recharge the
battery pack.
battery completely and then
recharge it.