Lenovo ThinkPad Edge E420s (English) User Guide - Page 123

Startup menu, ThinkPad Setup.

Page 123 highlights

• Anti-Theft: Enable or disable UEFI BIOS interface to activate Anti-Theft services, such as Intel AT and Computrace. To set password related functions, go to the Security menu and select Password. The following submenu is displayed: • Supervisor Password • Lock UEFI BIOS Settings • Set Minimum Length • Password at restart • Power-On Password • Hard Disk x Password Notes: • Hard Disk 1 means the hard disk drive built into your computer. Lock UEFI BIOS Settings enable or disable the function that protects items in the ThinkPad Setup from being changed by a user who does not have the supervisor password. By default, this is set to Disabled. If you set the supervisor password and enable this function, no one but you can change any items in the ThinkPad Setup. If you select Set Minimum Length, you can specify a minimum length for power-on passwords and hard disk passwords. By default, this is set to Disabled. If you set the supervisor password and specify a minimum length for passwords, no one but you can change the length. If you select and enable Password at restart, a password prompt is displayed when you restart the computer. If you select Disabled, no password prompt is displayed; the computer goes ahead and loads the operating system. To prevent unauthorized access, set the user authentication on the operating system. Startup menu You may need to change the startup sequence of your computer. For example, if you have different operating systems on different devices, you can have the system start up from either of them. Attention: After you change your startup sequence, you must be extremely careful not to specify a wrong device during a copy, a save, or a format operation. If you specify a wrong device, your data and programs might be erased or overwritten. Attention: If you are using the BitLocker drive encryption, you should not change the startup sequence. BitLocker drive encryption detects the change of startup sequence and locks the computer from booting. Changing the startup sequence Select the Startup to display the Boot submenu: To change the startup sequence, do the following: 1. Select Boot; then press Enter. You can use the Boot submenu to specify the startup sequence that runs when you turn on the power. Refer to "Boot submenu" on page 106. 2. Select the device you want to start first. To set the order that the UEFI BIOS will use when starting an operating system, you can press the - or + key to move the device up or down. 3. Press F10 to save the changes and restart the system. Chapter 8. Advanced configuration 105

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Anti-Theft
: Enable or disable UEFI BIOS interface to activate Anti-Theft services, such as Intel AT and
Computrace.
To set password related functions, go to the Security menu and select
Password
. The following submenu is
displayed:
Supervisor Password
Lock UEFI BIOS Settings
Set Minimum Length
Password at restart
Power-On Password
Hard Disk x Password
Notes:
Hard Disk 1
means the hard disk drive built into your computer.
Lock UEFI BIOS Settings
enable or disable the function that protects items in the ThinkPad Setup from
being changed by a user who does not have the supervisor password. By default, this is set to
Disabled
.
If you set the supervisor password and enable this function, no one but you can change any items in the
ThinkPad Setup.
If you select
Set Minimum Length
, you can specify a minimum length for power-on passwords and hard
disk passwords. By default, this is set to
Disabled
. If you set the supervisor password and specify a
minimum length for passwords, no one but you can change the length.
If you select and enable
Password at restart
, a password prompt is displayed when you restart the
computer. If you select
Disabled
, no password prompt is displayed; the computer goes ahead and loads the
operating system. To prevent unauthorized access, set the user authentication on the operating system.
Startup menu
You may need to change the startup sequence of your computer. For example, if you have different operating
systems on different devices, you can have the system start up from either of them.
Attention:
After you change your startup sequence, you must be extremely careful not to specify a wrong
device during a copy, a save, or a format operation. If you specify a wrong device, your data and programs
might be erased or overwritten.
Attention:
If you are using the BitLocker drive encryption, you should not change the startup sequence.
BitLocker drive encryption detects the change of startup sequence and locks the computer from booting.
Changing the startup sequence
Select the
Startup
to display the Boot submenu:
To change the startup sequence, do the following:
1. Select
Boot
; then press Enter.
You can use the
Boot
submenu to specify the startup sequence that runs when you turn on the power.
Refer to “Boot submenu” on page 106.
2. Select the device you want to start first.
To set the order that the UEFI BIOS will use when starting an operating system, you can press the
or
+
key to move the device up or down.
3. Press F10 to save the changes and restart the system.
Chapter 8
.
Advanced configuration
105