Lenovo ThinkPad Edge E531 Hardware Maintenance Manual - Page 44

How to remove the hard disk password, Power management

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9. Press Fn+F10 to save changes and exit the ThinkPad Setup program. How to remove the hard disk password Attention: If User only mode is selected and the user hard disk password has been forgotten and cannot be made available to the service technician, neither Lenovo nor Lenovo authorized service technicians provide any services to reset the user hard disk password, or to recover data from the hard disk drive. The hard disk drive can be replaced for a scheduled fee. To put the system back to operational status, the only Lenovo and Lenovo-authorized service solution would be to replace the hard disk drive or solid-state drive with a scheduled fee. To remove a user hard disk password that has been forgotten, when the supervisor password and the master hard disk password are known, do the following: 1. Turn on the computer. 2. When the ThinkPad logo is displayed, immediately press F1 to enter the ThinkPad Setup program. 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 Fn+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 (for the Windows 7 operating system only) 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, do the following: 1. Right-click the battery gauge in the task bar. 2. Select Power off display (keep current power plan). 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 or solid-state drive is powered off. • The microprocessor stops. To enter sleep mode, do one of the following: • For Windows 7: Click the arrow beside the Shut down icon, and then select Sleep. To return from sleep mode, press any key. • For Windows 8: Move the cursor to the bottom-right corner of the screen to display the charms. Then click Settings ➙ Power ➙ Sleep. 38 Hardware Maintenance Manual

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9. Press Fn+F10 to save changes and exit the ThinkPad Setup program.
How to remove the hard disk password
Attention:
If
User only
mode is selected and the user hard disk password has been forgotten and cannot be
made available to the service technician, neither Lenovo nor Lenovo authorized service technicians provide
any services to reset the user hard disk password, or to recover data from the hard disk drive. The hard
disk drive can be replaced for a scheduled fee. To put the system back to operational status, the only
Lenovo and Lenovo-authorized service solution would be to replace the hard disk drive or solid-state drive
with a scheduled fee.
To remove a user hard disk password that has been forgotten, when the supervisor password and the master
hard disk password are known, do the following:
1. Turn on the computer.
2. When the ThinkPad logo is displayed, immediately press F1 to enter the ThinkPad Setup program.
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 Fn+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 (for the Windows 7 operating system only)
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, do the following:
1. Right-click the battery gauge in the task bar.
2. Select
Power off display (keep current power plan)
.
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 or solid-state drive is powered off.
•
The microprocessor stops.
To enter sleep mode, do one of the following:
•
For Windows 7: Click the arrow beside the
Shut down
icon, and then select
Sleep
. To return from
sleep mode, press any key.
•
For Windows 8: Move the cursor to the bottom-right corner of the screen to display the charms. Then
click
Settings
➙
Power
➙
Sleep
.
38
Hardware Maintenance Manual