Fujitsu Lifebook L440 User Manual page 163

Symptom
Video Problems
The built-in display is blank when you turn on
your notebook.
T r o u b l e s h o o t i n g
Possible Cause
1. Something is pushing on the Closed C over
switch. (See Figure 1-6 on page 5.)
2. The notebook is set for an external
monitor only.
3. The angle of the display and the brightness
settings are not adequate for your
lighting conditions.
4. The power management timeouts may be
set for very short intervals and you failed to
notice the display come on and go off again.
5. The notebook turned on with a series
of beeps.
L i f e B o o k L S e r i e s f r o m F u j i t s u
Possible Solution
1. Clear the Closed Cover switch.
2. 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.
3. Move the display and the brightness control
until you have adequate visibility.
4. Press any key or move the pointer, if this
doesn't work press the Suspend/Resume
button. (The display may be shut off
by Standby mode, Auto Suspend, or
Video Timeout.)
5. Power On Self Test (POST) has detected a
failure which does not allow the display to
opera te . Con t act your su pport repre s en t a tive .
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