Lenovo B50-45 Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch Notebo - Page 29

Power management, Screen blank state, Putting the computer to sleep or shutting it down

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Lenovo B50-30/B50-30 Touch/B50-45/B50-70 Power management Note: Power management modes are not supported for APM operating system. To reduce power consumption, the computer has three power management modes: screen blank, sleep (standby), and hibernation. Screen blank state If the time set on the "Turn off monitor" timer in the operating system expires, the LCD backlight turns off. You can also turn off the LCD backlight by pressing F9 . To end screen blank state and resume normal operation, press F9 . Putting the computer to sleep or shutting it down When you have finished working with your computer, you can put it to sleep or shut it down. Putting your computer to sleep If you will be away from your computer for only a short time, put the computer to sleep. When the computer is in sleep mode, you can quickly wake it to resume use, bypassing the startup process. To put the computer to sleep: • For the Windows 7 operating system: - Click Start Sleep. • For the Windows 8 operating system: - Open the charms bar, then select Settings Power Sleep. Attention: Wait until the power indicator light starts blinking (indicating that the computer is in sleep mode) before you move your computer. Moving your computer while the hard disk is spinning can damage the hard disk, causing loss of data. To wake the computer, do one of the following: • Press any key on the keyboard. • Press the power button. 25

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Lenovo B50-30/B50-30 Touch/B50-45/B50-70
25
Note:
 
Power
 
management
 
modes
 
are
 
not
 
supported
 
for
 
APM
 
operating
 
system.
To
 
reduce
 
power
 
consumption,
 
the
 
computer
 
has
 
three
 
power
 
management
 
modes:
 
screen
 
blank,
 
sleep
 
(standby),
 
and
 
hibernation.
Screen blank state
If
 
the
 
time
 
set
 
on
 
the
 
“Turn
 
off
 
monitor”
 
timer
 
in
 
the
 
operating
 
system
 
expires,
 
the
 
LCD
 
backlight
 
turns
 
off.
 
You
 
can
 
also
 
turn
 
off
 
the
 
LCD
 
backlight
 
by
 
pressing
 
F9
 
.
To
 
end
 
screen
 
blank
 
state
 
and
 
resume
 
normal
 
operation,
 
press
 
F9
 
.
Putting the computer to sleep or shutting it down
When
 
you
 
have
 
finished
 
working
 
with
 
your
 
computer,
 
you
 
can
 
put
 
it
 
to
 
sleep
 
or
 
shut
 
it
 
down.
Putting your computer to sleep
If
 
you
 
will
 
be
 
away
 
from
 
your
 
computer
 
for
 
only
 
a
 
short
 
time,
 
put
 
the
 
computer
 
to
 
sleep.
 
When
 
the
 
computer
 
is
 
in
 
sleep
 
mode,
 
you
 
can
 
quickly
 
wake
 
it
 
to
 
resume
 
use,
 
bypassing
 
the
 
startup
 
process.
 
To
 
put
 
the
 
computer
 
to
 
sleep:
•
For
 
the
 
Windows
 
7
 
operating
 
system:
–
Click
 
Start
 
 
 
Sleep
.
•
For
 
the
 
Windows
 
8
 
operating
 
system:
–
Open
 
the
 
charms
 
bar,
 
then
 
select
 
Settings
 
 
 
Power
 
 
 
Sleep
.
Attention:
 
Wait
 
until
 
the
 
power
 
indicator
 
light
 
starts
 
blinking
 
(indicating
 
that
 
the
 
computer
 
is
 
in
 
sleep
 
mode)
 
before
 
you
 
move
 
your
 
computer.
 
Moving
 
your
 
computer
 
while
 
the
 
hard
 
disk
 
is
 
spinning
 
can
 
damage
 
the
 
hard
 
disk,
 
causing
 
loss
 
of
 
data.
To
 
wake
 
the
 
computer,
 
do
 
one
 
of
 
the
 
following:
•
Press
 
any
 
key
 
on
 
the
 
keyboard.
•
Press
 
the
 
power
 
button.
Power management