Lenovo ThinkPad W530 Hardware Maintenance Manual - Page 44

Power management, Screen blank mode, Sleep mode, Hibernation mode, Security, Password, Hard-disk - ram

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3. Select Security. 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, where HDP stands for hard disk password. 7. Type the current master hard disk password in the Enter Current Password field. Then, leave the Enter New Password field blank, and press Enter twice. 8. Press F10 to save changes and exit the ThinkPad Setup program. The user hard disk password and the master hard disk password have been removed. Power management To reduce power consumption, the computer has three power management modes: screen blank, sleep, 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, right-click the battery gauge from the Windows notification area and select Power off display. To end screen blank mode and resume normal operation, press any key. Sleep mode When the computer enters sleep mode, the following events occur in addition to what occurs in screen blank mode: • The LCD is powered off. • The hard disk drive is powered off. • The microprocessor stops. To enter sleep mode, press Fn+F4. Note: You can change the action of the Fn+F4 key combination by changing the settings in Power Manager. In certain circumstances, the computer goes into sleep mode automatically: • 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 drive, the parallel connector, or the optical drive within that time. • If the battery indicator blinks orange, indicating that the battery power is low. Also, in either of the following events, the computer automatically returns from sleep mode and resumes operation: • The ring indicator (RI) is signaled by a serial device or a PC Card device. • The time set on the resume timer elapses. Note: The computer does not accept any input immediately after it enters sleep mode. Wait a few seconds before taking any action to reenter operation mode. Hibernation mode In hibernation mode, the following occurs: • The system status, RAM, VRAM, and setup data are stored on the hard disk. 38 Hardware Maintenance Manual

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3. Select
Security
.
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
, where HDP stands for hard disk password.
7. Type the current master hard disk password in the
Enter Current Password
field. Then, leave the
Enter
New Password
field blank, and press Enter twice.
8. Press F10 to save changes and exit the ThinkPad Setup program. The user hard disk password and the
master hard disk password have been removed.
Power management
To reduce power consumption, the computer has three power management modes: screen blank, sleep,
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, right-click the battery gauge from the Windows notification
area and select
Power off display
.
To end screen blank mode and resume normal operation, press any key.
Sleep mode
When the computer enters sleep mode, the following events occur in addition to what occurs in screen
blank mode:
•
The LCD is powered off.
•
The hard disk drive is powered off.
•
The microprocessor stops.
To enter sleep mode, press Fn+F4.
Note:
You can change the action of the Fn+F4 key combination by changing the settings in Power Manager.
In certain circumstances, the computer goes into sleep mode automatically:
•
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 drive, the parallel connector, or the optical drive within that time.
•
If the battery indicator blinks orange, indicating that the battery power is low.
Also, in either of the following events, the computer automatically returns from sleep mode and resumes
operation:
•
The ring indicator (RI) is signaled by a serial device or a PC Card device.
•
The time set on the resume timer elapses.
Note:
The computer does not accept any input immediately after it enters sleep mode. Wait a few
seconds before taking any action to reenter operation mode.
Hibernation mode
In hibernation mode, the following occurs:
•
The system status, RAM, VRAM, and setup data are stored on the hard disk.
38
Hardware Maintenance Manual