Compaq 100 Series Manual page 32

Problem
The LCD shows
nothing or abnormal
picture. The picture
is fine on an external
monitor.
Problem
The CRT monitor
shows nothing or
abnormal color. The
picture is fine on the
LCD.
2-6 Troubleshooting
Table 2-5
LCD No Display
Possible Cause
Improper switch
settings.
Faulty LCD
display.
Cables not
installed
properly.
LCD is not active
(toggle Fn + F5)
Table 2-6
External Monitor No Display
Possible Cause
Monitor power
cord not installed
properly.
CRT monitor
cable not
installed properly
CRT monitor is
faulty.
External display
not active
(toggle Fn + F5)
Solution
Check to see if SW4
is set properly.
Discharge CMOS for
wrong display mode
setting.
Try a working LCD
display.
Check if D/A BD is
good.
Make sure cables are
installed properly.
Solution
Check the monitor's
power cord
Check the CRT
monitor cable.
Try a working
monitor.
Check the CMOS
settings