Power On Self Test Messages - Fujitsu 420D User Manual

S e c t i o n F i v e
Problem
The built-in display is blank when you turn o n
your notebook.
98
Possible Cause
1. Something is pushing on the Closed C over
Switch. (See Figure 1-5 on page 5.)
2. The notebook is set for an external
monitor only.
3. The angle of the display and the brightness
and contrast settings are not adequate for the
lighting conditions.
4. The Power Savings timeouts may be set for
very short intervals and you failed to notice the
display come on and go o again.
5 . The notebook tu rn ed on with a series of beep s .
Possible Solution
1. Clear the Closed Cover Switch.
2. Attach an external monitor and use the Setup
Utility to change the Display selection to Flat-
Screen or Simultaneous or use the Fn and F10
keys to toggle among the display selections
without the use of an external monitor.
(See Integrated Peripherals Submenu on pages
58-61 and Fn Key on page 30.)
3. Move the display and the brightness and con-
trast controls until you have adequate visibility.
4. Press any key or move the pointer, if this
doesn't work press the Resume Button.
(The display may be shut o by Standby Mode,
Auto Suspend, or Video Time-out time-outs.)
5. Power On Self Test has detected a failure
which does not allow the display to operate.
Contact your support representative.