Lenovo ThinkPad T42 (Greek) Service and Troubleshooting guide for the ThinkPad - Page 31

Cleaning, computer, display, fingerprint, reader

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Caring for your ThinkPad computer 2. Wipe each keytop surface with the cloth. Wipe the keys one by one; if you wipe several keys at a time, the cloth may hook onto an adjacent key and possibly damage it. Make sure that no liquid drips onto or between the keys. 3. Allow to dry. 4. To remove any crumbs and dust from beneath the keys, you can use a camera blower with a brush or cool air from a hair drier. Note: Avoid spraying cleaner directly on the display or the keyboard. Cleaning your computer display 1. Gently wipe the display with a dry, soft lint-free cloth. If you see a scratchlike mark on your display, it might be a stain transferred from the keyboard or the TrackPoint pointing stick when the cover was pressed from the outside. 2. Wipe or dust the stain gently with a soft, dry cloth. 3. If the stain remains, moisten a soft, lint-free cloth with water or a 50-50 mixture of isopropyl alcohol and water that does not contain impurities. 4. Wring out as much of the liquid as you can. 5. Wipe the display again; do not let any liquid drip into the computer. 6. Be sure to dry the display before closing it. Care for the fingerprint reader The following actions could damage the fingerprint reader or cause it not to work properly: v Scratching the surface of the reader with a hard, pointed object. v Scrapping the surface of the reader with your nail or anything hard. v Using or touching the reader with a dirty finger. If you notice any of the following conditions, gently clean the surface of the reader with a dry, soft, lint-free cloth: v The surface of the reader is dirty or stained. v The surface of the reader is wet. v The reader often fails to enroll or authenticate your fingerprint. Chapter 1. Overview of your new ThinkPad computer 9

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2.
Wipe
each
keytop
surface
with
the
cloth.
Wipe
the
keys
one
by
one;
if
you
wipe
several
keys
at
a
time,
the
cloth
may
hook
onto
an
adjacent
key
and
possibly
damage
it.
Make
sure
that
no
liquid
drips
onto
or
between
the
keys.
3.
Allow
to
dry.
4.
To
remove
any
crumbs
and
dust
from
beneath
the
keys,
you
can
use
a
camera
blower
with
a
brush
or
cool
air
from
a
hair
drier.
Note:
Avoid
spraying
cleaner
directly
on
the
display
or
the
keyboard.
Cleaning
your
computer
display
1.
Gently
wipe
the
display
with
a
dry,
soft
lint-free
cloth.
If
you
see
a
scratchlike
mark
on
your
display,
it
might
be
a
stain
transferred
from
the
keyboard
or
the
TrackPoint
pointing
stick
when
the
cover
was
pressed
from
the
outside.
2.
Wipe
or
dust
the
stain
gently
with
a
soft,
dry
cloth.
3.
If
the
stain
remains,
moisten
a
soft,
lint-free
cloth
with
water
or
a
50-50
mixture
of
isopropyl
alcohol
and
water
that
does
not
contain
impurities.
4.
Wring
out
as
much
of
the
liquid
as
you
can.
5.
Wipe
the
display
again;
do
not
let
any
liquid
drip
into
the
computer.
6.
Be
sure
to
dry
the
display
before
closing
it.
Care
for
the
fingerprint
reader
The
following
actions
could
damage
the
fingerprint
reader
or
cause
it
not
to
work
properly:
v
Scratching
the
surface
of
the
reader
with
a
hard,
pointed
object.
v
Scrapping
the
surface
of
the
reader
with
your
nail
or
anything
hard.
v
Using
or
touching
the
reader
with
a
dirty
finger.
If
you
notice
any
of
the
following
conditions,
gently
clean
the
surface
of
the
reader
with
a
dry,
soft,
lint-free
cloth:
v
The
surface
of
the
reader
is
dirty
or
stained.
v
The
surface
of
the
reader
is
wet.
v
The
reader
often
fails
to
enroll
or
authenticate
your
fingerprint.
Caring
for
your
ThinkPad
computer
Chapter
1.
Overview
of
your
new
ThinkPad
computer
9