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Select boot devices
Normally, the computer starts to a boot manager loaded from the secondary storage device of the computer.
Occasionally, you may need to start the computer to a program or boot manager loaded from another device
or a network location. After the system firmware initializes all devices, you can press an interruption key to
display the boot menu and select a desired boot device.
Step 1. Turn on or restart the computer.
Step 2. When the power button light is on, press F12 repeatedly.
Step 3. From the boot device menu, select a boot device to start the computer.
You can make a permanent change on boot devices in the UEFI/BIOS setup utility. Select the Boot menu; in
the EFI section, select the desired boot device and move it to the top of the device list. Save changes and
exit the setup utility for the change to take effect.
Change hotkey mode
Step 1. Open the UEFI/BIOS setup utility.
Step 2. Select Configuration ➙ Hotkey Mode and press Enter.
Step 3. Change the setting to Disabled or Enabled.
Step 4. Select Exit ➙ Exit Saving Changes.
Enable or disable always-on
For some Lenovo computers with always-on connectors, the always-on function can be enabled or disabled
in the UEFI/BIOS setup utility.
Step 1. Open the UEFI/BIOS setup utility.
Step 2. Select Configuration ➙ Always On USB and press Enter.
Step 3. Change the setting to Disabled or Enabled.
Step 4. Select Exit ➙ Exit Saving Changes.
Set passwords in UEFI/BIOS setup utility
This section introduces the types of passwords that you can set in the UEFI (Unified Extensible Firmware
Interface) or BIOS (Basic Input/Output System) setup utility.
Password types
You can set various types of passwords in the UEFI/BIOS setup utility.
Password type Pre-requisite Usage
Administrator password No You must enter it to start the setup
utility.
User password The administrator password must be
set.
You can use the user password to
start the setup utility.
Master hard disk password No You must enter it to start the
operating system.
User hard disk password The master hard disk password must
be set.
You can use the user hard disk
password to start the operating
system.
Chapter 3. Explore your computer 23
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