Lenovo ThinkPad X40 User Manual - Page 44

Standby - cpu

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Related service information v The LCD backlight turns off. v The hard disk drive motor stops. 3. If the time set on the "Turn off monitor" timer in the operating system expires, v The LCD backlight turns off. To end screen blank mode and resume normal operation, press any key. Standby mode When the computer enters standby mode, the following events occur in addition to what occurs in screen blank mode: v The LCD is powered off. v The hard disk drive is powered off. v The CPU stops. To enter standby mode, press Fn+F4. Note: You can change the action of Fn+F4, if you are using the ACPI operating system. In certain circumstances, the computer goes into standby mode automatically: v If a "suspend time" has been set on the timer, and the user does not do any operation with the keyboard, the TrackPoint, the hard disk, the parallel connector, or the diskette drive within that time. v If the battery indicator blinks orange, indicating that the battery power is low. (Alternatively, if Hibernate when battery becomes low has been selected in the "Power Management Properties" window, the computer goes into hibernation mode.) Note for the APM operating system: Even if you do not set the low-battery alarm, the charge indicator notifies you when the battery is low, and then the computer enters the power-saving mode automatically. This default low-battery behavior is independent of the operating system; so if you have set the low-battery alarm, the computer may not do what you specified. It chooses either your setting or the default setting, whichever is appropriate. If you are using the ACPI operating system, only the low-battery alarm is available. To cause the computer to return from standby mode and resume operation, do one of the following: v Press the Fn key. 40 MT 2369/2370/2371/2372/2382/2386

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v
The
LCD
backlight
turns
off.
v
The
hard
disk
drive
motor
stops.
3.
If
the
time
set
on
the
“Turn
off
monitor”
timer
in
the
operating
system
expires,
v
The
LCD
backlight
turns
off.
To
end
screen
blank
mode
and
resume
normal
operation,
press
any
key.
Standby
mode
When
the
computer
enters
standby
mode,
the
following
events
occur
in
addition
to
what
occurs
in
screen
blank
mode:
v
The
LCD
is
powered
off.
v
The
hard
disk
drive
is
powered
off.
v
The
CPU
stops.
To
enter
standby
mode,
press
Fn+F4.
Note:
You
can
change
the
action
of
Fn+F4,
if
you
are
using
the
ACPI
operating
system.
In
certain
circumstances,
the
computer
goes
into
standby
mode
automatically:
v
If
a
“suspend
time”
has
been
set
on
the
timer,
and
the
user
does
not
do
any
operation
with
the
keyboard,
the
TrackPoint,
the
hard
disk,
the
parallel
connector,
or
the
diskette
drive
within
that
time.
v
If
the
battery
indicator
blinks
orange,
indicating
that
the
battery
power
is
low.
(Alternatively,
if
Hibernate
when
battery
becomes
low
has
been
selected
in
the
“Power
Management
Properties”
window,
the
computer
goes
into
hibernation
mode.)
Note
for
the
APM
operating
system:
Even
if
you
do
not
set
the
low-battery
alarm,
the
charge
indicator
notifies
you
when
the
battery
is
low,
and
then
the
computer
enters
the
power-saving
mode
automatically.
This
default
low-battery
behavior
is
independent
of
the
operating
system;
so
if
you
have
set
the
low-battery
alarm,
the
computer
may
not
do
what
you
specified.
It
chooses
either
your
setting
or
the
default
setting,
whichever
is
appropriate.
If
you
are
using
the
ACPI
operating
system,
only
the
low-battery
alarm
is
available.
To
cause
the
computer
to
return
from
standby
mode
and
resume
operation,
do
one
of
the
following:
v
Press
the
Fn
key.
Related
service
information
40
MT
2369/2370/2371/2372/2382/2386