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Lenovo 3000 V100 User Manual

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Problem:
 
The
 
Fn+F12
 
key
 
combination
 
does
 
not
 
make
 
the
 
computer
 
enter
 
hibernation
 
mode.
 
Solution:
 
The
 
computer
 
cannot
 
enter
 
hibernation
 
mode:
 
v
   
If
 
you
 
are
 
using
 
one
 
of
 
the
 
communication
 
ExpressCard
 
slot.
 
To
 
enter
 
hibernation
 
mode,
 
stop
 
the
 
communication
 
program,
 
and
 
then
 
remove
 
the
 
ExpressCard
 
or
 
disable
 
the
 
ExpressCard
 
slot.
 
Click
 
the
 
Safely
 
Remove
 
Hardware
 
icon
 
in
 
the
 
task
 
bar.
 
v
   
If
 
the
 
hibernation
 
mode
 
is
 
not
 
enabled.
 
To
 
enable
 
it,
 
do
 
as
 
follows:
1.
   
Click
 
Start
.
 
2.
   
Click
 
the
 
Control
 
Panel
 
and
 
click
 
Performance
 
and
 
maintenance
.
 
3.
   
Click
 
Power
 
options
.
 
Power
 
options
 
properties
 
window
 
opens,
 
and
 
click
 
the
 
Hibernate
 
tab.
 
4.
   
Select
 
the
 
Enable
 
hibernation
 
check
 
box.
 
5.
   
Click
 
OK
.
Note:
 
You
 
can
 
enter
 
hibernation
 
mode
 
by
 
pressing
 
Fn+F12
 
only
 
if
 
the
 
Lenovo
 
PM
 
driver
 
has
 
been
 
installed
 
on
 
your
 
computer.
  
Computer
 
screen
 
problems
 
 
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.
  
 
Problem:
 
The
 
screen
 
is
 
blank.
 
Solution:
 
Press
 
Fn+F7
 
to
 
bring
 
up
 
the
 
image.
 
Note:
 
If
 
you
 
use
 
the
 
Fn+F7
 
key
 
combination
 
to
 
apply
 
a
 
presentation
 
scheme,
 
press
 
Fn+F7
 
at
 
least
 
three
 
times
 
in
 
three
 
seconds,
 
and
 
the
 
image
 
is
 
displayed
 
on
 
the
 
computer
 
screen.If
 
you
 
are
 
using
 
the
 
ac
 
adapter,
 
or
 
using
 
the
 
battery,
 
and
 
the
 
battery
 
status
 
indicator
 
is
 
on
 
(is
 
green),
 
press
 
Fn+F11
 
to
 
make
 
the
 
screen
 
brighter.
 
If
 
the
 
problem
 
persists,
 
do
 
the
 
Solution
 
in
 
the
 
problem
 
below.
  
 
Problem:
 
Missing,
 
discolored,
 
or
 
bright
 
dots
 
appear
 
on
 
the
 
screen
 
every
 
time
 
you
 
turn
 
on
 
your
 
computer.
 
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.
  
Solving
 
computer
 
problems
 
16
 
Lenovo
 
3000
 
V100
 
Service
 
and
 
Troubleshooting
 
Guide