Fujitsu LifeBook C-4120, Manual

Page: 87 / 120

T r o u b l e s h o o t i n g
L i f e B o o k C S e r i e s f r o m F u j i t s u
73
Problem Possible Cause Possible Solution
Five
Your notebook turns off all by itself (continued). 3. You have a battery failure. 3. Verify the condition of the batteries using
the Status Indicator panel (Figure 3-2 on
page 21) , and replace or remove any
that are shorted.
4. Your Power adapter has failed or lost 4. Make sure the adapter is plugged in and the
it’s power source. outlet has power.
Your notebook won’t work on battery alone. 1. The installed battery is dead. 1. When the battery is dead there will be a beep
when the power switch is turned on and the
notebook will immediately go into Critical
Low Battery Suspend mode.
(See pages 25-26.)
Replace the battery with a charged one or
install a Power adapter.
2. No battery is installed. 2. Install a charged battery.
3. The battery is improperly installed. 3. Verify that the battery is properly
connected by re-installing it.
4. Your installed battery is faulty. 4. Verify the condition of the battery using
the Status Indicator panel (Figure 3-2 on
page 21) , and replace or remove any
that is shorted.