Keyboard problems, Pointing device problems, Keyboard – Lenovo Z61t User Manual
Page 27: Problems, Pointing, Device, Solving, Computer
Keyboard
problems
Problem:
All
or
some
of
the
keys
on
the
keyboard
do
not
work.
Solution:
v
If
the
problem
occurred
immediately
after
the
computer
returned
from
standby
mode,
enter
the
power-on
password
if
one
has
been
set.
v
If
an
external
numeric
keypad
or
a
mouse
is
connected:
1.
Turn
off
the
computer.
2.
Remove
the
external
numeric
keypad
or
the
mouse.
3.
Turn
on
the
computer
and
try
using
the
keyboard
again.
If
the
keyboard
problem
is
resolved,
carefully
reconnect
the
external
numeric
keypad,
external
keyboard,
or
mouse,
making
sure
that
you
have
seated
the
connectors
properly.
If
keys
on
the
keyboard
still
do
not
work,
have
the
computer
serviced.
v
If
an
external
PS/2
®
keyboard
is
connected,
the
numeric
keypad
on
your
computer
does
not
work.
Use
the
numeric
keypad
on
the
external
keyboard.
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
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.
Pointing
device
problems
Problem:
The
mouse
buttons
do
not
work.
Solution:
If
your
ThinkPad
computer
has
the
TrackPoint
only,
this
problem
may
occur.
Change
the
mouse
driver
to
Standard
PS/2
Port
Mouse
,
and
then
reinstall
PS/2
TrackPoint
.
Drivers
are
provided
in
the
C:\SWTOOLS\DRIVERS
directory
on
your
hard
disk
drive.
If
your
hard
disk
drive
does
not
contain
device
drivers,
refer
to
the
ThinkPad
Web
site.
For
access
to
this
Web
site,
press
the
ThinkVantage
button
and
open
the
Productivity
Center.
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
PS/2
TrackPoint
driver
is
installed.
Solving
computer
problems
Chapter
3.
Solving
computer
problems
19