Compaq XL280 Maintenance & Service Manual page 58

Problem
Diskette drive cannot
read a diskette.
Cannot boot from
diskette.
Display Solutions
This section lists some causes and solutions for common Notebook display and external
monitor problems.
You can perform a monitor self-test on an external VGA color or monochrome monitor
by 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.
Presario 1800/1800T Series
Models: XL280, XL380, XL381,
and XL390
Diskette Drive
Probable Cause
Diskette is not formatted.
Bootable diskette is not in the
diskette drive.
Diskette Boot has incorrect
setting in Setup.
Display
Probable Cause
Brightness control
(if applicable) is not set
properly.
The Notebook display is in
direct sunlight.
Screen saver was initiated or
display was turned off by
Power Management due to
lack of user activity.
Solution(s)
Format the diskette. At the
system prompt, enter
FORMAT A:
Put the bootable diskette in the
diskette drive.
Run Setup and set diskette as first
to boot.
Solution(s)
Adjust the display brightness by
using Fn+F7 or Fn+F8.
Tilt the display or move the
Notebook.
Press any key or touch the
TouchPad.