78
- Troubleshooting
Your LIFEBOOK notebook
turns off all by itself.
(continued)
Your power adapter has
failed or lost its power
source.
Make sure the adapter is plugged in and the outlet has power.
You are operating on
battery power and
ignored a low battery
alarm until the battery is
at the dead battery state
and the system has
gone into Dead Battery
Suspend mode.
Install a power adapter and then push the Power/Sus-
pend/Resume button. See “Power Sources” on page 38.
Your LIFEBOOK notebook
will not work on battery
alone.
The installed battery is
dead.
Replace the battery with a charged one or install a power adapter.
No battery is installed. Install a charged battery.
The battery is improp-
erly installed.
Verify that the battery is properly connected by re-installing it.
Your installed battery
is faulty.
Verify the condition of the battery using the Status Indicator panel
and replace or remove any shorted battery. See “Status Indicator
Panels” on page 22.
The battery seems to
discharge too quickly.
You are running an
application that uses a
lot of power due to fre-
quent hard drive or opti-
cal drive access, or use
of a Wireless device.
Use both the primary battery and an optional second battery
and/or use a power adapter for this application when at all
possible.
The power savings fea-
tures may be disabled.
Check the Power Options menu settings and adjust according to
your operating needs.
The brightness is turned
all the way up.
Turn down the brightness adjustment. The higher the brightness
the more power your display uses.
Problem Possible Cause Possible Solutions
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