Lenovo ThinkPad T40p (Greek) Service and Troubleshooting guide for the ThinkPa - Page 41

Problem, Solution - keyboard not responding

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Solving computer problems A password problem Problem: I forgot my password. Solution: If you forgot your power-on password, you must take your computer to a Lenovo authorized servicer or a marketing representative to have the password canceled. If you forgot your hard disk password, Lenovo authorized servicer can not reset your password or recover data from the hard disk. You must take your computer to a Lenovo authorized servicer or a marketing representative to have the hard disk drive replaced. Proof of purchase is required, and a fee will be charged for parts and service. If you forgot your supervisor password, Lenovo authorized servicer can not reset your password. You must take your computer to a Lenovo authorized servicer or a marketing representative to have the system board replaced. Proof of purchase is required, and a fee will be charged for parts and service. A power switch problem Problem: The system does not respond, and you cannot turn off the computer. Solution: Turn off the computer by pressing and holding the power switch for 4 seconds or more. If the computer is still not reset, remove the ac adapter and the battery. Keyboard problems Problem: All or some of the keys on the keyboard do not work. Solution: If the problem occurred immediately after the computer returned from standby mode, enter the power-on password if one has been set. 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. 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. Chapter 2. Solving computer problems 19

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A
password
problem
Problem:
I
forgot
my
password.
Solution:
If
you
forgot
your
power-on
password,
you
must
take
your
computer
to
a
Lenovo
authorized
servicer
or
a
marketing
representative
to
have
the
password
canceled.
If
you
forgot
your
hard
disk
password,
Lenovo
authorized
servicer
can
not
reset
your
password
or
recover
data
from
the
hard
disk.
You
must
take
your
computer
to
a
Lenovo
authorized
servicer
or
a
marketing
representative
to
have
the
hard
disk
drive
replaced.
Proof
of
purchase
is
required,
and
a
fee
will
be
charged
for
parts
and
service.
If
you
forgot
your
supervisor
password,
Lenovo
authorized
servicer
can
not
reset
your
password.
You
must
take
your
computer
to
a
Lenovo
authorized
servicer
or
a
marketing
representative
to
have
the
system
board
replaced.
Proof
of
purchase
is
required,
and
a
fee
will
be
charged
for
parts
and
service.
A
power
switch
problem
Problem:
The
system
does
not
respond,
and
you
cannot
turn
off
the
computer.
Solution:
Turn
off
the
computer
by
pressing
and
holding
the
power
switch
for
4
seconds
or
more.
If
the
computer
is
still
not
reset,
remove
the
ac
adapter
and
the
battery.
Keyboard
problems
Problem:
All
or
some
of
the
keys
on
the
keyboard
do
not
work.
Solution:
If
the
problem
occurred
immediately
after
the
computer
returned
from
standby
mode,
enter
the
power-on
password
if
one
has
been
set.
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.
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.
Solving
computer
problems
Chapter
2.
Solving
computer
problems
19