Solving Display Problems - Compaq 12XL125 - Presario - K6-2 533 MHz Maintenance & Service Manual

Problem
(Continued)
Diskette drive cannot
read a diskette.
Cannot boot from
diskette.

Solving Display Problems

This section lists some common causes and solutions for computer display and external
monitor problems.
You can perform a monitor self-text 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.
P N M
RESARIO OTEBOOK AINTENANCE AND
Presario 1200 Series
Models: XL101-XL113, XL115, XL118-XL127
Solving Diskette Drive Problems
Probable Cause
Diskette is not formatted.
Bootable diskette is not in
drive A.
Diskette Boot has incorrect
setting in Computer Setup.
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.
S G 1200XL S
ERVICE UIDE
Solution(s)
Format the diskette. At the
system prompt, enter
FORMAT A:
Put the bootable diskette in drive
A.
Run Computer Setup and set
diskette as first to boot.
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.
ERIES
T 23
ROUBLESHOOTING