Specifications

34 T
ROUBLESHOOTING
P
RESARIO
N
OTEBOOK
M
AINTENANCE AND
S
ERVICE
G
UIDE
1400 S
ERIES
Presario 1400 Series
Models: XL240, XL241, XL242, XL244, XL245, XL246, XL247, XL250, XL340,
XL341, XL342, XL343, XL344, XL345, XL346, XL350, XL352, XL355, and XL356
Solving TouchPad/Pointing Device Problems
The following table lists some causes and solutions for common TouchPad/Pointing Device problems.
Solving TouchPad/Pointing Device Problems
Problem Probable Cause Solution
TouchPad or mouse
does not work.
No device driver is installed,
or an incorrect driver is
installed.
Install the device driver and add it
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. Enter MOUSE at the system
prompt to activate the mouse
device driver.
Cable is not properly seated
in TouchPad board.
Reseat the cable.
The TouchPad board is
defective.
Replace the TouchPad board.
The system board is
defective.
Replace the 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 liquid with a dry cloth.