HP Compaq Presario,Presario 1800-XL1 User Manual page 116

Symptom Problem
Battery gauge is
not accurate.
Battery charging Battery needs
indicator does calibrating.
not appear and
battery does not
charge.
Battery is at the end
of its life.
Battery was exposed
to temperature
extremes.
Battery charge Battery is not fully
does not last as draining.
long as
expected.
Battery was
exposed to extreme
temperatures.
Battery has partially
self-discharged.
Power Management
is disabled.
Battery
Solution
Calibrate the battery. Refer
to "Calibrating the Battery" in
this guide for details.
Allow time for the battery to
return to room temperature.
Replace the battery. Refer to
"Recycling the Battery" in
this guide for battery
recycling information.
Keep the battery within the
recommended temperature
ranges. Refer to "Maintaining
the Battery" in this guide.
Calibrate the battery. Refer to
"Calibrating the Battery" in
this guide.
Keep the battery within the
recommended temperature
ranges. Refer to "Maintaining
the Battery" in this guide.
Recharge the battery.
Reset the power management
options. Refer to "Calibrating
the Battery" in this guide.