Maintenance & Service Guide
Presario 1600 Series Portable Computers
Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog
Removal & Replacement Procedures Specifications Connector Pin Assignments Battery Pack
Battery Pack
Solving Minor Problems
Some minor problems and possible solutions are outlined in the following tables. If the problem appears related to a software application, check the documentation provided with the software.
Solving Battery Pack and Battery Gauge Problems
Some common causes and solutions for battery pack problems are listed below. The Solving Power Problems section in this chapter may also be
useful.
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 |
| external power source and |
power cord is unplugged. |
| charge the battery pack. |
|
| Replace the battery pack with |
|
| a fully charged battery pack. |
|
| Check the battery connectors | |
|
| on the system board to verify | |
|
| they are evenly spaced and | |
|
| that they are not bent or | |
|
| broken. | |
Computer is beeping | Battery charge is low. | Immediately save any open | |
and battery icon on the LCD |
| file(s). Then do one of the | |
status display is blinking. |
| 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 icon on the | Volume is turned down too | Adjust the volume. | |
LCD status display blinks to | low. |
|
|
indicate low battery condition, |
|
|
|
but computer does not beep. |
|
|
|
Battery icon doesn't light and | Battery pack is already | No action is necessary | |
battery pack won't fast charge. charged
Battery pack was exposed to temperature extremes.
Battery pack is at end of its life.
Allow time for the battery pack to return to room temperature.
Replace battery pack.
You have to set the date and RTC battery is dead. | Replace the RTC battery. |
time every time you turn on |
|
the computer. |
|
Battery charge does not last as long as expected.
Battery pack is warm to the touch after charging.
Battery pack operating time is far less than the documented average operating time.
Battery is being exposed to | Keep the battery pack within |
high temperatures or | the recommended operating |
extremely cold temperatures. | temperature range 50° F to |
| 104° F (10° C to 40° C) or |
| recommended storage range - |
| 4° F to 86° F |
| ). Recharge the battery pack. |
Battery has partially self- | Recharge the battery. |
discharged. | Discharge the battery |
| completely and then recharge |
| it. |
Power management is | Set a power management level |
disabled. | in Computer Setup. |
An external device or PC Card | Turn off or disconnect external |
is draining the battery. | devices when not using them. |
Normal warming has occurred | No action is required. |
due to charging. |
|
Power management is turned | Enable power management in |
off or disabled. | Computer Setup and in |
| Windows Power Properties. |
An external device or PC Card is draining the battery.
Battery pack has partially self- discharged.
Battery pack is being exposed to high temperatures or extremely cold temperatures.
Turn off or disconnect external devices when not using them.
Condition the battery pack by fully charging, fully discharging, then fully recharging it.
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.
Keep the battery pack within the recommended temperature ranges.
Operating: 50° F to 104° F (10° C to
40° C) Storage:
Recharge the battery pack.
Back to Troubleshooting Without Diagnostics
