How to Change BIOS to Boot from USB or CD/DVD

Boot from USB

Occasionally Windows users use an active operating system and boot on the primary hard drive. But sometimes it needs to run boot for a different drive like USB, CD, DVD etc. You can change the BIOS command for booting in two different ways. One of them is a permanent solution, you can change the boot order directly or a temporary solution, you can access a boot menu when a device startup. If you don’t know how to change BIOS to boot from USB or CD/DVD drive, this article will guide you on how to change BIOS to Boot from an indifferent driver. 

What is BIOS?

BIOS stands for Basic Input & Output System, which starts the computer system after it is powered. BIOS is also called Firmware. BIOS works to make collaboration between the computer operating system and computer hardware when a device is switched on. BIOS also manages all the data flow between computer devices and operating systems. The combination workflow also knows to us as the boot process. The BIOS function locates all the computer software on your device and completes the boot process.

boot from usb
BIOS Interface

Why You Need To Change BIOS To BOOT On Different Drive

You usually don’t need to change BIOS to boot on a different drive, USB or CD/DVD. If you have already installed an operating system but want to install another one, reinstall os or test software for the run, you can choose a different booting option from the BIOS. If you don’t change the boots option from BIOS, any operating system and software load on the BIOS by default and grab the hard drive storage. So if you want to install software or operating system safely, you first need to change the BIOS to BOOT from a different space. You can easily change the order to discharge process whenever you want to boot your computer. 

How To Get Access To Your Device BIOS

Before changing the BIOS setting, you need access to the BIOS. You can access your BIOS in different ways on different operating systems. Other manufacturers set unique hotkeys to get access to BIOS. For example, the keys to accessing the BIOS are F1, F2, F10, F11, etc. Below is the list of manufacturer base hotkeys for accessing the BIOS interface. 

Manufacturers Base Hot Keys to Get Access to the BIOS:

Acer: F2 or DEL

ASUS: F2 for all PCs, F2 or DEL for motherboards

Dell: F2 or F12

HP: ESC or F10

Lenovo: F2 or Fn + F2

Lenovo (Desktops): F1

Lenovo (ThinkPads): Enter + F1.

MSI: DEL for motherboards and PCs

Origin PC: F2

Samsung: F2

Sony: F1, F2, or F3

Toshiba: F2

Microsoft Surface Tablets: Press and hold the volume up button.

You can use the keyboard keys during the booting process to get the BIOS. Follow the manufacturer base keys and press and hold when you are going to reboot. If the key works, you will see the BIOS screen on the monitor.

How to Change BIOS to Boot from USB or CD/DVD

Thus you get the BIOS access; now we will change the BIOS to the BOOT option; you can follow some popular processes. 

  1. Changing The Boot Order On The BIOS
  2. Accessing A Boot Menu During Startup Time

1. Changing The Boot Order On The BIOS

If you successfully press the correct key, you must get the BIOS access and the entire inside BIOS utility setting.

change bios to boot from usb
Press the HOTKEY

Remember, every BIOS interface has a different look for its different build manufacturers. All the scenes inside the BIOS are almost identical. So don’t get panic; look over the option and layout carefully to get your set. Here are the most common BIOS we see often.

You can see the menu is located at the top of the screen. Hardware is other system information shown on display. 

How to change BIOS To BOOT From USB Drive:

Before starting the process, you must select Legacy Support and press the F5 key from the keyboard to change the setting.

how to boot from usb
Select Legacy Support

If Legacy support is disabled, BIOS will automatically boot in UEFI mode, and you can also enable and disable the secure boot. Change the location to Disabled way. Then select the Safe Boot option and change it to enabled. 

  • Find and click on the boot menu from the BIOS
  • Then select how you want to boot your device. You will get a different option to take action.
How to Change BIOS to Boot from USB or CDDVD
Enable USB
  • Select the USB drive or CD/DVD drive according to your choice. ( Nowadays most use USB)
  • Then Press the Esc/Exit button and a new popup will show, hit the Enter button to save the settings. Restart the computer. 
  • Your computer will successfully change the boot order from BIOS to USB or CD/DVD driver. 

2. Accessing A Boot Menu During Startup Time

Another way you can change the boot order on your system is by accessing a boot menu on startup, and it will work for one time. You need the access the BIOS while rebooting your computer. This action provides you boot permission from a fixed hardware device. In this process, you don’t need to change your boot order for a lifetime. 

On a windows device, you can take action by holding the Shift Key + pressing the Restart Button from the start menu. This command will take you to restart from the boot menu option. During this session, you need to select a drive under the option of “Use a device”, and you can choose here DVD/CD or USB drive to boot your computer device.

how to boot from usb in bios
Select the Boot Option

Note: Different devices have different manufacturers. So process to access the BISO interface is other for every device. Similarly, the BIOS interface was different for every device.

How to Boot from USB in BIOS

You can easily update windows by using a USB drive. If you want to boot from USB, follow the process:

  • Change the BIOS sequence to the USB drive on your device.
  • Input the portable USB drive on your computer to select that option.
  • Before Input, Download the ISO file and make a bootable USB drive.
  • Use third-party tools like Rufus and Etcher to boot your USB drive

If you want to know the whole process of how to boot a USB drive, read our relevant article: How to Create a Bootable USB using Rufus for Windows


You have several storage options if you want to run different operating systems or other software on your computer device. You can do the process by changing the BIOS setting. Usually, the process you can do in two different ways. You will get the permanent solution to install the software by changing the BIOS to the booting command. Besides, you can choose every time for individuals, which drives you to want to install the software. We discussed in detail how to change BIOS To BOOT From a CD/DVD Drive. 


About Albert

Albert, a seasoned tech enthusiast at MSCDKEYS, brings a wealth of knowledge and insight to the team. With expertise spanning gaming, tech guides, product reviews to software development, he delivers in-depth analysis and engaging content. Known for his approachable demeanor, Albert connects with readers on a personal level, making tech accessible to all.

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