2-22 Troubleshooting
Table 2-16
Continued
Problem Probable Cause
Recommended Action(s)
Computer turned off and
information in memory was
lost when the battery pack
was replaced.
Hibernation was disabled,
Suspend was not initiated, or
AC power was not connected
before the discharged battery
pack was removed.
To prevent loss of information next time,
initiate Suspend, enable Hibernation, or
connect AC power before changing
batteries..
You have to set the date and
time every time you turn on
the computer.
Real time clock (RTC) battery
is at the end of its life.
Replace the RTC battery.
Battery pack charge does not
last as long as expected.
Battery pack is being exposed
to high temperatures or
extremely cold temperatures.
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.
Battery pack has partially
self-discharged.
If the computer is disconnected from the
external power for more than two weeks,
remove the battery pack to reduce the self-
discharge rate.
Power management is
disabled.
Press
Fn+F7
and set the power
conservation level.
An external device or PC Card
is draining the battery.
Turn off or disconnect external devices
when not using them.
Computer is beeping and
battery power light is blinking.
Battery pack charge is low. Do one of the following:
■
Charge the battery pack.
■
Replace the battery pack.
■
Connect the computer to an external
power source.
■
Initiate Hibernation.
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