Lenovo ThinkPad X41 Service Guide - Page 42

TrackPoint, problems - dock

Page 42 highlights

Solving computer problems Problem: A number appears when you type a letter. Solution The numeric lock function is on. To disable it, press and hold Shift; then press NumLk. Problem: All or some of the keys on the external numeric keypad do not work. Solution: Make sure that the external numeric keypad is correctly connected to the computer. Problem: All or some keys on the external PS/2 keyboard do not work. Solution: If you are using the X4 Dock, connect the keyboard connector to the keyboard/mouse connector on the X4 Dock. If you use a mouse and an external keyboard simultaneously, you need the keyboard/mouse connector. Make sure that keyboard/mouse connector is correctly connected to the mouse connector of the X4 Dock, and that the keyboard cable is correctly connected to the keyboard connector of the keyboard/mouse connector. If the connection is correct, disconnect the cable and make sure that the built-in keyboard operates properly. If the built-in keyboard works, there is a problem with the external keyboard. Try using a different external keyboard. TrackPoint problems Problem: The pointer drifts when the computer is turned on or after it resumes normal operation. Solution: The pointer might drift when you are not using the TrackPoint during normal operation. This is a normal characteristic of the TrackPoint and is not a defect. The pointer drifts for several seconds under the following conditions: v When the computer is turned on. v When the computer resumes normal operation. v When the TrackPoint is pressed for a long time. v When the temperature changes. Problem: The mouse or the pointing device does not work. 20 ThinkPad®X41 Tablet Service and Troubleshooting Guide

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
  • 107
  • 108

Problem:
A
number
appears
when
you
type
a
letter.
Solution
The
numeric
lock
function
is
on.
To
disable
it,
press
and
hold
Shift;
then
press
NumLk.
Problem:
All
or
some
of
the
keys
on
the
external
numeric
keypad
do
not
work.
Solution:
Make
sure
that
the
external
numeric
keypad
is
correctly
connected
to
the
computer.
Problem:
All
or
some
keys
on
the
external
PS/2
keyboard
do
not
work.
Solution:
If
you
are
using
the
X4
Dock,
connect
the
keyboard
connector
to
the
keyboard/mouse
connector
on
the
X4
Dock.
If
you
use
a
mouse
and
an
external
keyboard
simultaneously,
you
need
the
keyboard/mouse
connector.
Make
sure
that
keyboard/mouse
connector
is
correctly
connected
to
the
mouse
connector
of
the
X4
Dock,
and
that
the
keyboard
cable
is
correctly
connected
to
the
keyboard
connector
of
the
keyboard/mouse
connector.
If
the
connection
is
correct,
disconnect
the
cable
and
make
sure
that
the
built-in
keyboard
operates
properly.
If
the
built-in
keyboard
works,
there
is
a
problem
with
the
external
keyboard.
Try
using
a
different
external
keyboard.
TrackPoint
problems
Problem:
The
pointer
drifts
when
the
computer
is
turned
on
or
after
it
resumes
normal
operation.
Solution:
The
pointer
might
drift
when
you
are
not
using
the
TrackPoint
during
normal
operation.
This
is
a
normal
characteristic
of
the
TrackPoint
and
is
not
a
defect.
The
pointer
drifts
for
several
seconds
under
the
following
conditions:
v
When
the
computer
is
turned
on.
v
When
the
computer
resumes
normal
operation.
v
When
the
TrackPoint
is
pressed
for
a
long
time.
v
When
the
temperature
changes.
Problem:
The
mouse
or
the
pointing
device
does
not
work.
Solving
computer
problems
20
ThinkPad
®
X41
Tablet
Service
and
Troubleshooting
Guide