Compaq 12XL325 Models XL300, XL300A, and XL300B - Maintenance & Service Gu - Page 72

Solving TouchPad/Pointing Device Problems, Problem, Probable Cause, Solutions, MOUSE

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Presario 1200XL Series Model XL300, XL300A, and XL300B 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 TouchPad or mouse does not work. External mouse does not work. TouchPad or mouse does not work even though the device is enabled in Windows. Cursor skips or moves abnormally when using the TouchPad. Probable Cause Incorrect or no device driver 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 is not properly seated in TouchPad board. Defective TouchPad board. Defective system board. Device driver is not correctly installed in Windows. The TouchPad needs to be cleaned. Solution(s) 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. 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. 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. PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1200XL SERIES TROUBLESHOOTING 35

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P
RESARIO
N
OTEBOOK
M
AINTENANCE
AND
S
ERVICE
G
UIDE
1200XL S
ERIES
T
ROUBLESHOOTING
35
Presario 1200XL Series
Model XL300, XL300A, and XL300B
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
does 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.