Maintenance & Service Guide
Presario 1600 Series Portable Computers
Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog
Removal & Replacement Procedures Specifications Connector Pin Assignments Battery Pack
Touch Pad Solutions
Solving Minor Problems
Some minor problems and possible solutions are outlined here. If the 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.
Solving Touch Pad/Pointing Device Problems
Problem | Cause | Solution(s) |
Touch Pad or mouse does not work. Incorrect or no device driver is installed.
Install the device driver and add to the AUTOEXEC.BAT file or CONFIG.SYS file.
The device driver is not | Install the Touch |
installed in Windows. | Pad/mouse driver in |
| Windows. |
External mouse does not work. | Mouse is not securely |
| connected or is connected to |
| an incorrect external |
| connector. |
Touch Pad or mouse does not work | Mouse is not enabled. |
even though the device is enabled in |
|
Windows. |
|
| Cable not properly seated in |
| Touch Pad board. |
| Defective Touch Pad board. |
| Defective system board. |
| Device driver is not correctly |
| installed in Windows. |
Cursor skips or moves abnormally | The Touch Pad needs to be |
when using the Touch Pad. | cleaned. |
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.
Back to Troubleshooting Without Diagnostics
