Lenovo ThinkPad T42 (Greek) Service and Troubleshooting guide for the ThinkPad - Page 49

Battery, problems

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Solving computer problems Solution: This is an intrinsic characteristic of the TFT technology. Your computer's display contains multiple thin-film transistors (TFTs). A small number of missing, discolored, or bright dots on the screen might exist all the time. Problem: A message, "Unable to create overlay window," appears when you try to start DVD playback. or You get poor or no playback while running video playback, DVD playback, or game applications. Solution Do either of the following: v If you are using 32-bit color mode, change the color depth to 16-bit mode. v If you are using a desktop size of 1280×1024 or larger, reduce the desktop size and the color depth. Battery problems Problem: The battery cannot be fully charged by the power-off method in the standard charge time for your computer. Solution: The battery might be over-discharged. Do the following: 1. Turn off the computer. 2. Make sure that the over-discharged battery is in the computer. 3. Connect the ac adapter to the computer and let it charge. If the optional Quick Charger is available, use it to charge the over-discharged battery. If the battery cannot be fully charged in 24 hours, use a new battery. Problem: Your computer shuts down before the battery status indicator shows empty. or Your computer operates after the battery status indicator shows empty. Solution: Discharge and recharge the battery. Problem: The operating time for a fully charged battery is short. Solution: Discharge and recharge the battery. If your battery's operating time is still short, use a new battery. Chapter 2. Solving computer problems 27

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Solution:
This
is
an
intrinsic
characteristic
of
the
TFT
technology.
Your
computer
’
s
display
contains
multiple
thin-film
transistors
(TFTs).
A
small
number
of
missing,
discolored,
or
bright
dots
on
the
screen
might
exist
all
the
time.
Problem:
A
message,
“
Unable
to
create
overlay
window,
”
appears
when
you
try
to
start
DVD
playback.
or
You
get
poor
or
no
playback
while
running
video
playback,
DVD
playback,
or
game
applications.
Solution
Do
either
of
the
following:
v
If
you
are
using
32-bit
color
mode,
change
the
color
depth
to
16-bit
mode.
v
If
you
are
using
a
desktop
size
of
1280
×
1024
or
larger,
reduce
the
desktop
size
and
the
color
depth.
Battery
problems
Problem:
The
battery
cannot
be
fully
charged
by
the
power-off
method
in
the
standard
charge
time
for
your
computer.
Solution:
The
battery
might
be
over-discharged.
Do
the
following:
1.
Turn
off
the
computer.
2.
Make
sure
that
the
over-discharged
battery
is
in
the
computer.
3.
Connect
the
ac
adapter
to
the
computer
and
let
it
charge.
If
the
optional
Quick
Charger
is
available,
use
it
to
charge
the
over-discharged
battery.
If
the
battery
cannot
be
fully
charged
in
24
hours,
use
a
new
battery.
Problem:
Your
computer
shuts
down
before
the
battery
status
indicator
shows
empty.
or
Your
computer
operates
after
the
battery
status
indicator
shows
empty.
Solution:
Discharge
and
recharge
the
battery.
Problem:
The
operating
time
for
a
fully
charged
battery
is
short.
Solution:
Discharge
and
recharge
the
battery.
If
your
battery
’
s
operating
time
is
still
short,
use
a
new
battery.
Solving
computer
problems
Chapter
2.
Solving
computer
problems
27