Compaq Presario 1800 Presario 1800XL Series Maintenance and Service Guide - Page 58

Solving Display Problems, FORMAT A, Display, Problem, Probable Cause, Solutions, Fn+F7, Diskette Drive - boot problems

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Presario 1800 Series Models: XL180, XL181, XL182, XL183, XL184, XL185, and XL190, XL191, XL192 Problem Diskette drive cannot read a diskette. Cannot boot from diskette. Diskette Drive Probable Cause Diskette is not formatted. Bootable diskette is not in drive A. Diskette Boot has incorrect setting in Setup. Solution(s) Format the diskette. At the system prompt, enter FORMAT A: Put the bootable diskette in drive A. Run Setup and set diskette as first to boot. Solving Display Problems This section lists some common causes and solutions for the 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. Display Probable Cause Solution(s) Brightness control (if Adjust the brightness of the applicable) is not set properly. display by using Fn+F7 or Fn+F8. The Notebook display is in direct light. Tilt display or move Notebook. Screen save was initiated by Power Properties due to lack of user activity. Press any key or touch the TouchPad. PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1800 SERIES TROUBLESHOOTING 23

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P
RESARIO
N
OTEBOOK
M
AINTENANCE
AND
S
ERVICE
G
UIDE
1800 S
ERIES
T
ROUBLESHOOTING
23
Presario 1800 Series
Models: XL180, XL181, XL182, XL183, XL184, XL185,
and XL190, XL191, XL192
Solving Display Problems
This section lists some common causes and solutions for the 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.
Diskette drive cannot
read a diskette.
Diskette is not formatted.
Format the diskette. At the
system prompt, enter
FORMAT A:
Cannot boot from
diskette.
Bootable diskette is not in
drive A.
Put the bootable diskette in drive
A.
Diskette Boot has incorrect
setting in Setup.
Run
Setup
and set diskette as first
to boot.
Display
Problem
Probable Cause
Solution(s)
Screen is dim.
Brightness control (if
applicable) is not set properly.
Adjust the brightness of the
display by using
Fn+F7
or
Fn+F8
.
The Notebook display is in
direct light.
Tilt display or move Notebook.
Screen is blank.
Screen save was initiated by
Power Properties due to lack
of user activity.
Press any key or touch the
TouchPad.
Diskette Drive
Problem
Probable Cause
Solution(s)