Compaq 12XL500 Models XL300, XL300A, and XL300B - Maintenance & Service Gu - Page 62

Solving Display Problems, FORMAT A, Solving Diskette Drive Problems, Problem, Probable Cause

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Presario 1200XL Series Model XL300, XL300A, and XL300B Problem Diskette drive cannot read a diskette. (Continued) Cannot boot from diskette. Solving Diskette Drive Problems Probable Cause Solution(s) Drive error has occurred. Run Computer Checkup from the Compaq Diagnostics diskette. Diskette is not formatted. Format the diskette. At the system prompt, enter FORMAT A: Bootable diskette is not in drive A. Put the bootable diskette in drive A. Diskette Boot has incorrect setting in Computer Setup. Run Computer Setup and set diskette as first to boot. 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. Both of these displays indicate that the monitor is working properly. PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1200XL SERIES TROUBLESHOOTING 25

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P
RESARIO
N
OTEBOOK
M
AINTENANCE
AND
S
ERVICE
G
UIDE
1200XL S
ERIES
T
ROUBLESHOOTING
25
Presario 1200XL Series
Model XL300, XL300A, and XL300B
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. Both of these displays indicate that the monitor is working properly.
Diskette drive cannot
read a diskette.
(
Continued
)
Drive error has occurred.
Run Computer Checkup from the
Compaq Diagnostics 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 Computer Setup.
Run Computer Setup and set
diskette as first to boot.
Solving Diskette Drive Problems
Problem
Probable Cause
Solution(s)