Compaq 4120T Personal Computer User Manual


 
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Troubleshooting
2-19
Table 2-16
Continued
Problem Probable Cause Solution(s)
Battery charge does not last
as long as expected.
Battery is being exposed to
high temperatures or
extremely cold temperatures.
Keep the battery pack within the
recommended temperature ranges.
Operating: 50°F to 104°F(10°C to 40°C)
Storage: -4°F to 86°F (-20°C to 30°C )
Recharge the battery pack.
Battery has partially self-
discharged.
Recharge the battery. Discharge the battery
completely and then recharge it.
Power management is
disabled.
Set a power management level in Computer
Setup.
An external device or PC Card
is draining the battery.
Turn off or disconnect external devices
when not using them.
Battery pack is warm to the
touch after charging.
Normal warming has occurred
due to charging.
No action is required.
Battery gauge is inaccurate. The battery pack is new or
has not been used for a long
period.
Fully charge the battery pack until the
battery light on the computer turns off.
Condition the battery pack by fully charging,
then fully discharging, and then fully
recharging. If condition persists, replace the
battery. If the battery gauge is still
inaccurate, replace the system board.
Battery pack operating time
is far less than the
documented average
operating time.
Power management is turned
off or disabled.
Enable power management in Computer
Setup and in Windows Power Properties.
The power management icon should be
visible on the status panel.
An external device or PC Card
is draining the battery.
Turn off or disconnect external devices
when not using them.
Battery pack has partially
self-discharged.
To maintain the charge, leave battery packs
in the computer when it is connected to
external power.
If the computer is disconnected from
external power for more than two weeks,
remove battery packs from the computer to
reduce the discharge rate.
Fuel gauge is inaccurate. Use the low battery warning beeps to
determine the low battery condition.
Battery pack is being drained
by high power-use accessory.
Reduce use of accessories which drain
power such as the CD-ROM drive or PC
Card.
Battery pack is being exposed
to high temperatures or
extremely cold temperatures.
Keep the battery pack within the
recommended temperature ranges:
Operating: 50°F to 104°F(10°C to 40°C)
Storage: -4°F to 86°F (-20°C to 30°C ).
Recharge the battery pack.