VGA Monitor
Problem
Probable cause(s)
Possible solution
Characters
are dim.
The brightness control is
not set properly.
Adjust the brightness control.
Screen is
blank.
A screen-blanking utility
could be installed.
Press any key. If the display
reappears, you have a
screen-blanking utility installed.
The brightness needs
adjusting.
Adjust the brightness control.
Screen save has been
initiated.
Press any key or move the mouse
to light the screen.
Garbled
characters on
the screen
are mixed
with text.
The ANSI.SYS driver is not
in the
CONFIG.SYS
file.
Add the ANSI.SYS driver to the
CONFIG.SYS
file by adding the
following line:
DEVICE = C:\ANSI.SYS
Monitor
overheats.
There is not enough
ventilation space for
proper airflow.
Leave at least 3 inches (7.6 cm) of
ventilation space. Also, be sure
there is nothing on top of the
monitor to obstruct air flow.
Cursor will
not move
using the
arrow keys
on the
numeric
keypad.
The
Num Lock
key is on.
Press the
Num Lock
key. The
Num Lock
light should not be on
when you want to use the arrow
keys.
Compaq.com - Compaq Presario Maintenance and Service Guide - 7400 Series
http://www.compaq.com/athome/support/msgs/7400/trbnodg.html (7 of 8) [1/8/2002 3:53:00 PM]
