Lenovo ThinkPad 300 Service Guide - Page 28

Pointing, device, problems, Sleep, standby, hibernation - thinkpad x300 drivers

Get Lenovo ThinkPad 300 PDF manuals and user guides View all Lenovo ThinkPad 300 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 28 highlights

Problem: A number appears when you type a letter. Solution: The numeric lock function is on. To disable it, press and hold Shift or Fn and then press NmLk (ScrLk). Problem: All or some keys on the external keyboard or numeric keypad do not work. Solution: Make sure that the external keyboard or numeric keypad is correctly connected to the computer. Pointing device problems Problem: The scrolling or magnifying glass function does not work. Solution: Check the mouse driver in the Device Manager window, and make sure that the ThinkPad UltraNav® Pointing Device driver is installed. Sleep (standby) or hibernation problems Problem: The computer enters sleep (standby) mode (the sleep/standby indicator turns on) immediately after Power-on self-test (POST). Solution: 1. Make sure that: v The battery is charged. v The operating temperature is within the acceptable range. See "Specifications" on page 62. 2. If these items are correct, have the computer serviced. 20 ThinkPad® X300 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
Problem:
A
number
appears
when
you
type
a
letter.
Solution:
The
numeric
lock
function
is
on.
To
disable
it,
press
and
hold
Shift
or
Fn
and
then
press
NmLk
(ScrLk).
Problem:
All
or
some
keys
on
the
external
keyboard
or
numeric
keypad
do
not
work.
Solution:
Make
sure
that
the
external
keyboard
or
numeric
keypad
is
correctly
connected
to
the
computer.
Pointing
device
problems
Problem:
The
scrolling
or
magnifying
glass
function
does
not
work.
Solution:
Check
the
mouse
driver
in
the
Device
Manager
window,
and
make
sure
that
the
ThinkPad
UltraNav
®
Pointing
Device
driver
is
installed.
Sleep
(standby)
or
hibernation
problems
Problem:
The
computer
enters
sleep
(standby)
mode
(the
sleep/standby
indicator
turns
on)
immediately
after
Power-on
self-test
(POST).
Solution:
1.
Make
sure
that:
v
The
battery
is
charged.
v
The
operating
temperature
is
within
the
acceptable
range.
See
“Specifications”
on
page
62.
2.
If
these
items
are
correct,
have
the
computer
serviced.
20
ThinkPad
®
X300
Service
and
Troubleshooting
Guide