Solving Display Problems - Compaq 17XL260 - Presario - PIII 500 MHz Maintenance And Service Manual

Models: XL260, XL261, XL262, XL264, XL265, XL266, XL274, XL275, XL360, XL361,
XL362, XL363, XL364, XL365, XL366, XL367, XL368, XL369, XL370, XL371, XL372, XL373,

Solving Display Problems

This section lists some common causes and solutions for computer display and external
monitor problems.
You can perform a monitor self-test on an external VGA color or monochrome monitor by
disconnecting the monitor from the Notebook, then completing the following steps:
1. Turn off the monitor.
2. Turn off the Notebook.
3. Disconnect the monitor signal cable from the Notebook.
4. Turn on the monitor and allow it to warm up for one minute.
The display should be white. A narrow black border may also appear on the left and right
sides of the display. Either of these displays indicates that the monitor is working properly.
Problem
Screen is dim.
Screen is blank.
Display is blank and
the Suspend icon is
flashing.
Internal display is
blank and the screen
on an external monitor
displays information.
Presario 1700 Series
XL374, XL375, XL376, XL377, and XL378
Solving Display Problems
Probable Cause
Control for brightness (if
applicable) is not set properly.
Computer screen is in direct
light.
Screen save was initiated by
Power Management due to
lack of user activity.
Display has overheated.
System is in Suspend mode.
Display function was switched
to the external monitor.
Solution(s)
Adjust the Brightness of the
display by using Fn+F7 or
Fn+F8.
Tilt display or move computer.
Press any key or touch the
TouchPad.
If the Notebook is in direct
sunlight, move it and allow it to
cool off.
Press any key or touch the
TouchPad.
Use Fn+F3 to switch between
LCD or CRT.