How To Set Computer To Boot From USB

Now you need another simple but important step to accomplish recovering password with "Windows Password Rescuer" or "Windows 7 Password Rescuer".

There are about two options to boot your computer from USB flash drive, Pen Drive or other USB device.

Method 1. Boot your computer from USB via Boot Menu.

Method 2. Boot your computer from USB by changing devices boot order in BIOS SETUP.

Method 3. Boot your computer from USB in UEFI.

Method 1. Boot your computer from USB via Boot Menu.

This is the easiest way to boot computer from USB without changing any BIOS settings of your computer.

Step 1. Plug a bootable USB into your computer.

how to boot from usb

Step 2. Power on the computer and press "Boot menu entry key" as soon as possible to open "Boot Menu".

Please find out your key from the following list including laptops and desktops of Dell, HP, Acer, Toshiba, Samsung, Lenovo, Thinkpad, Sony, Msi, Fujitsu, Asus etc.

boot menu entry keys

Step 2. Press up/down key to highlight USB HDD option(it offen shows your USB drive name), press Enter key to select it. Then the computer will boot from USB device automatically.

select usb option


Method 2. Boot your computer from USB by changing devices boot order in BIOS SETUP.

If you cannot find out the "Boot Menu entry key" of your computer, you can change device boot order in BIOS SETUP to boot from USB. Here we take American Megatrends BIOS Setup Utility for example to show you how to set your computer to boot from USB flash drive via changing the PC devices boot order in BIOS SETUP.

However, there are some differences such as Entry Key and menu options in various BIOS model of computer because it depend on your Computer Mainboard and devices. Take it easy, the key steps on any BIOS SETUP are similar.

Key steps:
1. Press BIOS Entry Key(F2/DELETE/Other) to access BIOS setup utility.
2. Find out boot option and get into it.
3. Find out the Boot Priority/Boot Sequence and select USB Hard Disk as the first boot device.

Now insert a bootable USB to your computer:

Step 1: Press F2/Delete (BIOS Entry Key) as soon as you can while your PC reboots until the BIOS SETUP screen appears.

Step 2: Looking for a tab relating to booting in the BIOS SETUP screen, it is called "Boot" in this example. You can use ←/→ key to select and open it. You'll see a submenu that's specific to the PC Drive boots sequence, select and open Boot Device Priority item.

Step 3: Then use ↓/↑key to highlight "Hard Disk Drives", hit "Enter".

Step 4: Use ↓/↑key to select "1st Drive", hit "Enter" key.

Step 5: Press arrow key to select "USB: your USB brand", and then press "+ or -" key to move the USB Flash drive as the first bootable option.

6. Then you can see USB Flash Drive is the first boot device.

7. When you done the setting, press "F10" to save and exit. Select "OK" and press "Enter" key, then the computer will reboot and boot from USB Flash Drive (your Windows password recovery disk).


Method 3. Boot your computer from USB in UEFI.

In UEFI Boot Mode, it is easier to choose USB option for the first boot device by using you're your mouse. But some computers may be unable to recognize USB boot disk. In this situation, you need to make some changes in the BIOS. Take Acer computer for example, its default boot mode is UEFI. Here is how to change UEFI to Legacy boot mode and then boot the computer from USB.

Step 1: Plug your USB boot disk into computer. Hit BIOS Entry Key(F2/DELETE/Other) repeatedly while turning on the computer. When get into the BIOS SETUP, hit arrow key to choose Boot option. You will see the boot mode is UEFI.

open BIOS

Step 2: Highlight Boot Mode and press Enter key. Hit arrow key to choose Legacy and then press Enter.

select UEFI Boot Mode

Step 4: Press Enter to select OK. The boot mode has been changed to Legacy mode.

select Legacy mode

Step 5: After that, get into the Boot Option Menu. Hit arrow key to highlight your USB disk and then press Enter key. The computer will boot from the USB automatically. Note: After you accomplished your task, please change the boot mode back to UEFI.

save changes

Tip: In some other computers, just do these: Restart computer and hit F2 repeatedly until the BIOS comes out – select Boot option – select Secure Boot and change Enable to Disable – Choose Legacy in “Boot List Option” – press F10 to save changes – restart computer and hit F12 to open Boot Option Menu, select USB option to continue boot.


BOIS Entry Key:

Manufacturer Model BIOS Entry key
HP HP and Compaq Desktop PCs (Built in 2006 or later (came with Vista or Windows 7)) F10
HP HP and Compaq Desktop PCs (Built before 2006 (XP or earlier) ) F1
HP HP Notebook PCs F10
DELL Dell Inspiron, Dell Dimension, Dell Precision, Dell Optiplex, Dell Vostro
Dell XPS
DELL Dell Latitude Fn+F1
Acer Aspire, Power, Veriton, Extensa, Ferrari, TravelMate, Altos DEL or F2
Gateway DX, FX, One, GM, GT, GX, Profile, Astro F1
Gateway Older model F2
Lenovo Lenovo F2
Fujitsu,NEC, Sharp Fujitsu,NEC, Sharp F2
Toshiba Portégé, Satellite, Tecra, Equium F1 or ESC
Toshiba Toshiba Equium F12
Shuttle Glamor G-Series, D'vo, Prima P2-Series, Workstation, X Mini XPC, Surveillance F1 or DEL
Phoenix Phoenix BIOS F2
AMD® (Advanced Micro Devices, Inc.) AMD® (Advanced Micro Devices, Inc.) BIOS F1
AMI (American Megatrends, Inc.) AMI (American Megatrends, Inc.) BIOS DEL
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