Solving Touch Pad/Pointing Device Problems - Compaq Presario 1600 - Notebook PC Maintenance And Service Manual

Maintenance & Service Guide
Presario 1600 Series Portable Computers
Notice | Preface
Removal & Replacement Procedures
Touch Pad Solutions
Solving Minor Problems
Some minor problems and possible solutions are outlined here.
problem appears related to a software application, check the documentation
provided with the software.

Solving Touch Pad/Pointing Device Problems

Some common causes and solutions for Touch Pad/pointing device problems
are listed in the following table.
Problem
Touch Pad or mouse does not work. Incorrect or no device driver
External mouse does not work.
Touch Pad or mouse does not work
even though the device is enabled in
Windows.
Cursor skips or moves abnormally
when using the Touch Pad.
Back to Troubleshooting Without Diagnostics
| Home | Product Description
|
Solving Touch Pad/Pointing Device Problems
is installed.
The device driver is not
installed in Windows.
Mouse is not securely
connected or is connected to
an incorrect external
connector.
Mouse is not enabled.
Cable not properly seated in
Touch Pad board.
Defective Touch Pad board.
Defective system board.
Device driver is not correctly
installed in Windows.
The Touch Pad needs to be
cleaned.
| Troubleshooting
Specifications | Connector Pin Assignments
Cause
| Illustrated Parts Catalog
| Battery Pack
If the
Solution(s)
Install the device driver
and add to the
AUTOEXEC.BAT file or
CONFIG.SYS file.
Install the Touch
Pad/mouse driver in
Windows.
Ensure that the mouse is
securely connected to the
appropriate external
connector.
Enter SYNTOUCH.COM at
the system prompt to
activate the mouse device
driver.(C:\WINDOWS\
DOSSTART.BAT)
Add a line in the
AUTOEXEC.BAT file to
automatically activate the
mouse device driver each
time computer is turned on
or restarted.
Reseat cable.
Replace Touch Pad board.
Replace system board.
Install the appropriate
device driver in Windows.
Clean the Touch Pad with a
cloth dampened with
alcohol or an ammonia-
based glass cleaner. Wipe
up liquid with a dry cloth.