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Solving touchpad/pointing device problems, Touchpad, Presario 1600xl series – Compaq 1600XL User Manual

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36 T

ROUBLESHOOTING

P

RESARIO

N

OTEBOOK

M

AINTENANCE

AND

S

ERVICE

G

UIDE

1600XL S

ERIES

Presario 1600XL Series

Model 1600T, 1600-XL140, 1600-XL141, 1600-XL142, 1600-XL143, 1600-XL144,

1600-XL146, 1600-XL147, 1600-XL150 XL156, XL157, XL255, XL256, XL257, and XL258

Solving TouchPad/Pointing Device Problems

The following table lists some common causes and solutions for TouchPad/pointing device

problems.

Solving TouchPad/Pointing Device Problems

Problem

Probable Cause

Solution(s)

TouchPad 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

installed in Windows.

Install the TouchPad/mouse driver

in Windows.

External mouse does

not work.

Mouse is not securely

connected or is connected to

an incorrect external

connector.

Ensure that the mouse is securely

connected to the appropriate

external connector.

TouchPad or mouse do

not work even though

the device is enabled

in Windows.

Mouse is not enabled.

Type MOUSE at the system

prompt to activate the mouse

device driver.
Add a line in the AUTOEXEC.BAT

file to activate the mouse driver

automatically each time the

computer is turned on or

restarted.

Cable is not properly seated

in TouchPad board.

Reseat cable.

Defective TouchPad board.

Replace the TouchPad board.

Defective system board.

Replace system board.

Device driver is not correctly

installed in Windows.

Install the appropriate device

driver in Windows.

Cursor skips or moves

abnormally when using

the TouchPad.

The TouchPad needs to be

cleaned.

Clean the TouchPad with a cloth

dampened with alcohol or an

ammonia-based glass cleaner.

Wipe up liquid with a dry cloth.