Fujitsu LifeBook N6420 User Manual download pdf (Page 67)

Troubleshooting

A card inserted in the PC

Card slot does not work or

is locking up the system.

(continued)

Your PC Card device and

another device are assigned the

same I/O address.

Check all I/O addresses located within the BIOS

setup utility and any other installed hardware or

software to make sure there are no duplications.

Power Failures

You turn on your LifeBook

notebook and nothing

seems to happen.

The installed primary battery

is discharged, there’s no second

battery installed or there is no

AC adapter installed.

Check the Status Indicator Panel to determine the

presence and condition of the batteries. (See Status

Indicator Panel page 15 for more information) Install

a charged battery or a Power adapter.

The battery is installed but is

faulty.

Use the Status Indicator panel to verify the presence

and condition of the batteries. (See Status Indicator

Panel page 15 for more information) If a battery is

indicating a short, remove that battery and operate

from another power source or replace that battery.

The battery or batteries are low. Check the Status Indicator Panel to determine the

presence and condition of the batteries. (See Status

Indicator Panel page 15 for more information) Use a

Power adapter to operate until a battery is charged

or install a charged battery.

The AC adapter is not plugged

in properly.

Verify that your adapter is connected correctly. (See

Power Sources page 27 for more information)

The Power adapter has no

power from the AC outlet.

Move the AC cord to different outlet, check for a line

switch or tripped circuit breaker for the AC outlet.

The AC adapter is faulty. Try a different Power adapter.

Your LifeBook notebook

turns off all by itself.

The power management

parameters are set for auto

timeouts which are too short

for your operating needs.

Press any button or key on the keyboard, or move

the mouse. If that fails, push the Power/Suspend/

Resume button. Check your power management

settings, or close your applications and go to the

Power Savings menu of the setup utility to adjust the

timeout values to better suit your operation needs.

You ignored a low battery

alarm until the battery is dead

and your machine has gone

into Dead Battery Suspend

mode.

Install a power adapter and then push the Power and

Suspend/Resume button. (See Power Sources page 27

for more information)

Your power adapter has failed

or lost its power source.

Make sure the adapter is plugged in and the outlet

has power.

You have a battery failure. Verify the condition of the batteries using the Status

Indicator panel, and replace or remove any batteries

that are shorted. (See Status Indicator Panel page 15

for more information)

Your LifeBook notebook

will not work on battery

alone.

The installed batteries are

dead.

Replace the battery with a charged one or install

an AC adapter.

No batteries are installed. Install a charged battery.

The batteries are improperly

installed.

Verify that the batteries are properly connected by

re-installing them.

Problem Possible Cause Possible Solutions

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