2-6 Troubleshooting
COMPAQ CONFIDENTIAL - NEED TO KNOW REQUIRED
Writer: David Calvert Saved by: David Calvert Saved date: 03/29/00 7:07 AM
Part Number: 177845-001 File name: CH02.doc
Table 2-5
LCD No Display
Problem Possible Cause Solution
The LCD shows
nothing or abnormal
picture. The picture
is fine on an external
monitor.
■ Improper switch
settings.
■ Faulty LCD
display.
■ Cables not
installed
properly.
■ LCD is not active
(toggle Fn + F5)
■ 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.
Table 2-6
External Monitor No Display
Problem Possible Cause Solution
The CRT monitor
shows nothing or
abnormal color. The
picture is fine on the
LCD.
■ Monitor power
cord not installed
properly.
■ CRT monitor
cable not
installed properly
■ CRT monitor is
faulty.
■ External display
not active
(toggle Fn + F5)
■ Check the monitor’s
power cord
■ Check the CRT
monitor cable.
■ Try a working
monitor.
■ Check the CMOS
settings
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