Compaq 1650 Maintenance & Service Manual page 66

"Compaq.com - Compaq Presario 1600 Series Maintenance and Service Guide - Models: 1650 and 1655
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.
Problem
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.
file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20chec...1600%20SERIES%201650%20and%201655/solving.html (2 of 8)6/27/2004 2:52:51 AM
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.
Probable Cause
Battery is being exposed to high
temperatures or extremely cold
temperatures.
Battery has partially self-discharged.
Power management is disabled.
An external device or PC Card is
draining the battery.
Normal warming has occurred due to
charging.
Power management is turned off or
disabled.
An external device or PC Card is
draining the battery.
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.
Solution(s)
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.
Set a power management level in
Computer Setup.
Turn off or disconnect external
devices when not using them.
No action is required.
Enable power management in
Computer Setup and in Windows
Power Properties.
Turn off or disconnect external
devices when not using them.