Compaq XL183 TouchPad/Pointing Device Solutions, Presario 1800 Series, and XL190, XL191, XL192

Presario 1800 Series

Models: XL180, XL181, XL182, XL183, XL184, XL185,

and XL190, XL191, XL192

TouchPad/Pointing Device Solutions

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

TouchPad/Pointing Device

Problem Probable Cause Solution(s)

TouchPad or mouse	Incorrect or no device driver
does not work.	is installed.
	The device driver is not
	installed in Windows.
External mouse does	Mouse is not securely
not work.	connected or is connected to
	an incorrect external
	connector.
TouchPad or mouse	Mouse is not enabled.
does not work even
though the device is
enabled in Windows.

	Cable is not properly seated
	on TouchPad board.
	Defective TouchPad board.
	Defective system board.
	Device driver is not correctly
	installed in Windows.
Cursor skips or moves	The TouchPad needs to be
abnormally when using	cleaned.
the TouchPad.

Install the device driver and add to the AUTOEXEC.BAT file or CONFIG.SYS file.

Install the TouchPad/mouse driver in Windows.

Ensure that the mouse is securely connected to the appropriate external connector.

Enter mouse at the system prompt to activate the mouse device driver.

Add a line in the AUTOEXEC.BAT file to automatically activate the mouse driver each time the computer is turned on or restarted.

Reseat cable.

Replace the TouchPad board.

Replace system board.

Install the appropriate device driver in Windows.

Clean the TouchPad with a cloth dampened with alcohol or an ammonia-based glass cleaner. Wipe up liquid with a dry cloth.

32 TROUBLESHOOTING PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1800 SERIES