On most Packard Bell systems, you can use the F12 key on boot to select the drive or network from which loading the operating system. In case the F12 option does not work, you may need to enable this function.
For older computers with traditonal BIOS:
Step 1. Insert USB flash drive to the computer.
Step 2. When power on or restart your computer, press BIOS Key to enter BIOS Setup Utility.
Step 3. Enter Boot option tab, and go to Boot device Priority item. On Boot device Priority item, choose USB drive or USB HDD as the first boot device.
Step 4. Press F10 to save the BIOS setting, and restart computer.
Example for setting traditional computer boot from USB drive:
1. Phoenix Award BIOS
1-1 Press Del to enter BIOS setting screen while powering on computer.
1-2 Choose Advanced BIOS Features.
1-3 On the Advanced BIOS Features screen, choose Hard Disk Boot Priority.
1-4 Move USB device to the first place of Hard Disk Boot Priority by pressing “+” or “-“, press ESC back to the previous step.
1-5 Select First Boot Device.
There is no option such as USB-HDD, USB-ZIP, so choose Hard Disk as the first boot device.
2. Award BIOS (older)
2-1 Press Del and enter BIOS setting screen while powering on computer.
2-2 Choose Advanced BIOS Features.
2-3 On the Advanced BIOS Features screen, choose Hard Disk Boot Priority.
2-4 Move USB device to the first place of Hard Disk Boot Priority by pressing "+" or "-", press ESC back to the above step.
2-5 there are options like USB-HDD, USB-ZIP etc. Select Hard Disk or USB-HDD, USB-ZIP as the first boot device.
3. AMI BIOS
3-1 Press Del or other Bios Key to enter BIOS.
3-2 Press direction keys to move your mouse to BOOT.
3-3 Press up and down arrow keys to move mouse to Boot settings/Boot device Priority, and press Enter.
3-4 In Boot device Priority menu, press up and down keys to move mouse to 1st boot Device. And then press Enter.
3-5 Select Removable Device as the first boot device.
If you have not chosen USB device as the first boot device for Hard Disk Drives, there will not be USB device. But you can choose Removable Device as the first boot device. If you have set the first boot device for Hard Disk Drives, now you can select USB device as the first boot device directly.
3-6 Press F10 to save BIOS settings and exit.
Keys for various BIOS/UEFI:
Mainboard Vendor Laptop Desktop computer
Brand BIOS Keys Brand BIOS/UEFI Keys Brand BIOS/UEFI Keys
Asus F2,DEL Lenovo F1, F2 Lenovo F1, F2
Gigabyte F12 Acer DEL, F2 HP Esc, F10
MSI F11 Asus Del, F2 Acer DEL, F1, F2
Biostar F9 HP Esc, F10, F1 Dell F2
Soyo ESC or F12 Thinkpad Del, F8, F1 Hasee F12
Colorful ESC or F11 Dell F2 Asus F9
Asrock F11 Hasee F12 Founder F12
Onda F11 Toshiba F1, F2, ESC, F12 Tsinghua Tongfang F12
UNIKA ESC Samsung F2, F10 Haier F12
ASL F10 IBM Del Benq F8
Intel F12 Sony F1, F2, F3
Foxconn ESC or F12 Fujitsu F2
Gamen F11 or F12 Haier F12
Topstar F11 or F12 Founder F12
Yeston F8 Tsinghua Tongfang F12
CTHIM F12 MSI F11
Jetway ESC Benq F9
Elite ESC or F11 Gigabyte F12
Maxsun ESC Gateway F1,F2
Enabling the F12 function:
Power on the system. When the first logo screen appears, press the F2 key to enter the BIOS.
Press the right arrow key to select Main.
Use the arrow keys to navigate to F12 Boot Menu, and press ENTER.
Select Enabled, and press ENTER.
Press the F10 key to save changes and restart the system.
Redmi note 3 - https://youtu.be/oOq7eAiWzp4
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