Fujitsu B3020D Manuel d'utilisateur télécharger pdf (Page 66)

Troubleshooting

Your system display won’t

turn on when the system is

turned on or when the

system has resumed.

The system may be password-

protected.

Check the status indicator panel to verify that the

Security icon is blinking. If it is blinking, enter your

password.

Your notebook appears to

change setup parameters

when you start it.

BIOS setup changes were not

saved when you exited the

BIOS setup utility, returning it

to previous settings.

Make sure you select Save Changes And Exit when

exiting the BIOS setup utility.

The BIOS CMOS back-up

battery has failed.

Contact your support representative for repairs.

This is not a user serviceable part but has a normal

life of 3 to 5 years.

Video Problems

The built-in display is

blank when you turn on

your notebook.

Something is pushing on the

Closed Cover switch.

Clear the Closed Cover switch. (See figure 2-5 on

page 8 for location)

The optional Port Replicator is

attached, an external monitor

is plugged in, and the note-

book is set for an external

monitor only.

Pressing [F10] while holding down the [Fn] key

allows you to change your selection of where to

send your display video. Each time you press the

combination of keys you will step to the next

choice. The choices, in order are: built-in display

only, external monitor only, both built-in display

and external monitor.

The angle of the display and

the brightness settings are not

adequate for your lighting

conditions.

Move the display and the brightness control until

you have adequate visibility.

The power management

timeouts may be set for very

short intervals and you failed

to notice the display come on

and go off again.

Press any button the keyboard, or move the mouse

to restore operation. If that fails, push the Suspend/

Resume button. (The display may be shut off by

Standy mode, Auto Suspend or Video Timeout)

The notebook turned on

with a series of beeps and

your built-in display is

blank.

Power On Self Test (POST)

has detected a failure which

does not allow the display

to operate.

Contact your support representative.

Your system display won’t

turn on when the system is

turned on or when the

system has resumed.

The system may be password-

protected.

Check the status indicator panel to verify that the

Security icon is blinking. If it is blinking, enter your

password.

The display goes blank by

itself after you have been

using it.

The notebook has gone into

Video Timeout, Standby

Mode, or Hibernate Mode

because you have not used it

for a period of time.

Press any button on the keyboard, or move the

mouse to restore operation. If that fails, push the

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 opera-

tion needs. See “BIOS Setup Utility” on page 29.

Something is pushing on the

Closed Cover switch.

Check the Closed Cover switch. (See figure 2-5 on

page 8 for location)

Problem Possible Cause Possible Solutions

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Fujitsu B3020D Manuel d'utilisateur Page 66

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