Fujitsu LIFEBOOK T902 Guide D'utilisation page 100

Problem
Your LIFEBOOK Tablet PC
turns off all by itself.
(continued)
Your LIFEBOOK Tablet PC
will not work on battery
alone.
The battery seems to
discharge too quickly.
Possible Cause
You have a battery failure.
Your power adapter has failed
or lost its power source.
The installed battery is dead.
Battery is improperly installed.
Your installed battery is faulty.
The power savings features
may be disabled.
The brightness is turned all
the way up.
The battery is very old.
You are running an applica-
tion that uses a lot of power
due to frequent hard drive
access or optical drive
access, or use of a Wireless
LAN, or Bluetooth device.
The battery has been ex-
posed to high temperatures.
The battery is too hot or too
cold.
Possible Solutions
Verify the condition of the battery using the Status Indicator panel. If the battery
is shorted, replace or remove it. See "Status Indicator Panel" on page 24.
Make sure the adapter is plugged in and the outlet has power.
Replace the battery with a charged one or install a power adapter.
Verify that the battery is properly connected by re-installing it.
Verify the condition of the battery using the Status Indicator panel and replace
or remove any batteries that are shorted. See "Status Indicator Panel" on
page 24.
Check the Power Options menu settings and adjust according to your operating
needs.
Turn down the brightness adjustment. The higher the brightness the more
power your display uses.
Replace the battery.
Use a power adapter for this application when at all possible.
Replace the battery.
Restore the Tablet PC to normal operating temperature. Charging icon on the
Status Indicator panel will flash when battery is outside of operating range.
94 - Troubleshooting