Lenovo ThinkPad R61 Hardware Maintenance Manual - Page 42

Power, management, Screen, blank, Standby - user manual

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Note: To check whether the ThinkPad computer supports the Passphrase function, enter the BIOS Setup Utility and go to Security --> Password. If Using Passphrase item is displayed in the menu, this function is available on the ThinkPad computer. 3. Select Security, using the cursor directional keys to move down the menu. 4. Select Password. 5. Select Hard-disk x password, where x is the letter of the hard disk drive. A pop-up window opens. 6. Select Master HDP. 7. Type the current master HDP in the Enter Current Password field. then leave the Enter New Password field blank, and press Enter twice. 8. Press F10. 9. Select Yes in the Setup Configuration window. Both user HDP and master HDP will have been removed. Power management To reduce power consumption, the computer has three power management modes: screen blank, standby, and hibernation. Screen blank mode If the time set on the "Turn off monitor" timer in the operating system expires, the LCD backlight turns off. To put the computer into screen blank mode, press the ThinkVantage® button and use the ThinkVantage Productivity Center. 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: If you are using the ACPI operating system, you can change the action of Fn+F4. 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.) 34 ThinkPad T61, R61, and R61i (14.1-inch widescreen) Hardware Maintenance Manual

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Note:
To
check
whether
the
ThinkPad
computer
supports
the
Passphrase
function,
enter
the
BIOS
Setup
Utility
and
go
to
Security
-->
Password
.
If
Using
Passphrase
item
is
displayed
in
the
menu,
this
function
is
available
on
the
ThinkPad
computer.
3.
Select
Security
,
using
the
cursor
directional
keys
to
move
down
the
menu.
4.
Select
Password
.
5.
Select
Hard-disk
x
password
,
where
x
is
the
letter
of
the
hard
disk
drive.
A
pop-up
window
opens.
6.
Select
Master
HDP
.
7.
Type
the
current
master
HDP
in
the
Enter
Current
Password
field.
then
leave
the
Enter
New
Password
field
blank,
and
press
Enter
twice.
8.
Press
F10.
9.
Select
Yes
in
the
Setup
Configuration
window.
Both
user
HDP
and
master
HDP
will
have
been
removed.
Power
management
To
reduce
power
consumption,
the
computer
has
three
power
management
modes:
screen
blank,
standby,
and
hibernation.
Screen
blank
mode
If
the
time
set
on
the
“Turn
off
monitor”
timer
in
the
operating
system
expires,
the
LCD
backlight
turns
off.
To
put
the
computer
into
screen
blank
mode,
press
the
ThinkVantage
®
button
and
use
the
ThinkVantage
Productivity
Center.
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:
If
you
are
using
the
ACPI
operating
system,
you
can
change
the
action
of
Fn+F4.
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.)
34
ThinkPad
T61,
R61,
and
R61i
(14.1-inch
widescreen)
Hardware
Maintenance
Manual