How to Boot from USB in Windows 11
Booting from a USB drive allows you to install a new operating system, run diagnostic tools, or recover your files. This guide explains how to prepare your drive and change your computer settings to boot from it.
Why boot from a USB?
You might need to do this to startup-repair-tool-in-windows-11/" class="sal-link" rel="noopener" target="_blank" data-sal-id="28039">fix a broken system, install a fresh version of Windows, or run special software that does not work inside your normal Windows environment.
What happens when done?
Your computer will load the software on your USB drive. Once you finish your task and remove the USB, your computer will return to its normal state upon the next restart.
Preparation of Bootable Media
Before you begin, you must create a bootable flash drive. You can use the official Microsoft Media Creation Tool to download the Windows 11 installation media. Alternatively, you can use a tool like Rufus to write an ISO file to your USB drive. Warning: This process will erase all data on your USB drive. Back up your important files before starting.
How to Enter the BIOS on a Windows 11 PC
To change the boot order, you often need to enter the BIOS or UEFI firmware settings. Restart your computer and repeatedly press the manufacturer’s key (commonly F2, F10, F12, or Del) as soon as the screen lights up. If you cannot enter the BIOS, use the Advanced Startup method below.
| Manufacturer | Boot Menu Key |
|---|---|
| Dell | F12 |
| HP | F9 or Esc |
| Lenovo | F12 or Fn+F12 |
| ASUS | F8 or Esc |
| Acer | F12 |
Booting through Windows Advanced Startup
If you are already logged into Windows, this is the easiest method. Note: This requires administrative privileges.
- Plug your USB drive into the computer.
- Go to Settings > System > Recovery.
- Find “Advanced startup” and click “Restart now.”
- When the menu appears, select “Use a device.”
From the list that appears, choose your USB drive. Your computer will restart and load from that drive.
Booting using the Computer Boot Menu
If the first method does not work, use the built-in boot menu. This menu appears before Windows starts.
- Plug your USB drive into the computer.
- Restart your computer.
- Immediately press the boot menu key for your model.
- Select your USB drive from the list using the arrow keys and press Enter.
Summary
Booting from a USB in Windows 11 is a simple process once you have the right media. You can use the Windows Advanced Startup menu or the hardware boot menu key. Always ensure your USB is properly prepared, and check your BIOS settings if the drive is not detected. Remember to back up your data before making changes to your system.
Why is my USB not showing up in the boot menu?
Your USB might not appear if it is not formatted correctly as a bootable drive. Ensure you used a tool like the Media Creation Tool or Rufus. Also, check if your BIOS settings require you to enable USB boot support or disable Fast Boot to detect external devices.
Do I need to disable Secure Boot to boot from USB?
Usually, no. Windows 11 uses UEFI and Secure Boot. If your USB drive is created correctly for UEFI, it should boot without changes. However, if you are using older tools or non-signed software, you may need to temporarily disable Secure Boot in your BIOS settings to allow the drive to load.
Will booting from USB erase my files?
Booting from a USB does not automatically erase your files. However, if you choose to perform a clean installation of Windows, that process will wipe your internal drive. Always back up your important data to an external location before starting any major system repairs or installations.
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