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.

Solving Battery Pack and Battery Gauge Problems

Problem

 

Probable Cause

 

Solution(s)

 

 

 

 

 

 

 

 

 

 

Computer won't turn on when

 

Battery pack is discharged.

 

Connect the computer to an
battery pack is inserted and power

 

 

 

external power source and charge
cord is unplugged.

 

 

 

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.

 

 

 

 

 

Computer is beeping and battery

 

Battery charge is low.

 

Immediately save any open file(s).
LED icon is blinking.

 

 

 

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.

 

 

 

 

 

 

 

 

 

 

Computer battery LED icon (front on

 

Volume is turned down too low.

 

Adjust the volume.
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 pack is already charged.Battery pack was exposed to temperature extremes.Battery pack is at end of its life.RTC battery is dead.
No action is necessary.Allow time for the battery pack to return to room temperature.Replace battery pack.Replace the RTC battery.
Battery charge does not last as long as expected.
Battery is being exposed to high temperatures or extremely cold temperatures.Battery has partially self-discharged.

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.

Recharge the battery. Discharge the battery completely and then recharge it.

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