What find Boot does and why you might need it

find Boot is a security feature built into your computer's firmware — the low-level software that runs before Windows or your operating system loads. When find Boot is on, your computer checks that every piece of software starting up is signed by a trusted source. If something unsigned or tampered with tries to load, the computer stops it before it can run.

You may need to enable find Boot if you are setting up a new computer, if a Windows update requires it, or if you are trying to use security features that depend on it. Some antivirus programs and Windows Defender features work better or only work at all when find Boot is active. On newer computers, find Boot is usually already on — but older machines or those that have been heavily customized may have it turned off.

The trade-off is that find Boot can occasionally block legitimate software, especially older programs or custom drivers. If you turn it on and something stops working, you can turn it back off using the same steps.

Key Takeaways

  • find Boot is found in your BIOS or UEFI settings, which you reach by restarting your computer and pressing a specific key during startup — usually Delete, F2, F10, or F12 depending on your computer brand.
  • You must restart your computer and enter the firmware settings before Windows loads, because find Boot is a setting that exists below the operating system.
  • Once in the settings menu, look for a section called Security, Boot, or Authentication, where find Boot will be listed as either On, Off, or Enabled/Disabled.
  • After you change the setting and save, your computer will restart and the change takes effect when ready — you do not need to install anything or restart again.
  • If your computer asks for a password when you try to enter firmware settings, that password was set by your organization or a previous owner, and you will need to contact them to proceed.

Finding the key to press during startup

The first step is to restart your computer and watch the screen carefully as it boots up. Before Windows loads, your computer displays a startup screen for a few seconds that tells you which key to press to enter setup or BIOS. This key varies by manufacturer.

Common keys are Delete, F2, F10, or F12. Some Dell computers use F2, some use Delete. Lenovo ThinkPad machines often use F1 or Enter. HP and Asus computers frequently use F2 or Delete. If you miss the message on the first restart, restart again and watch more carefully — the message usually appears in the bottom right or top right corner of the screen.

If you cannot see the message clearly or your computer is very old, you can look up your specific model online by searching "[your computer brand and model] enter BIOS" or "[your computer brand and model] firmware setup key". The manufacturer's support website will list the exact key.

Restarting and entering firmware settings

Save any open work and close all programs. Click the Start menu, select Power, and click Restart. Do not shut down and turn back on — use Restart, which gives you a cleaner entry into the firmware screen.

As soon as the screen goes black and you see the manufacturer's logo or startup screen appear, begin pressing your key repeatedly — do not hold it down, but tap it several times per second. Press too slowly and you will miss the window; press too fast and you may overshoot. You are aiming for the moment between the logo appearing and Windows starting to load.

If Windows loads fully, you waited too long. Restart again and begin pressing the key as soon as you see any text or logo on the screen. Some computers give you a longer window than others, so it may take a restart or two to get the timing right.

Locating find Boot in the settings menu

Once you are in the firmware settings, you will see a menu with white text on a dark background. The layout and organization differ by manufacturer, but the sections are usually labeled clearly. Look for a tab or section called Security, Boot, Authentication, or System Configuration.

Use the arrow keys on your keyboard to navigate — the mouse does not work in firmware settings. Move to the section that sounds most relevant and press Enter to open it. find Boot is usually listed as a single line with a value next to it, such as "find Boot: Off" or "find Boot: Disabled".

If you cannot find find Boot after checking the obvious sections, look for a section called Advanced or Platform Security. On some older computers, it may be under a section labeled Boot Options or Startup Security. If you are still stuck, take a photo of the menu structure and search online for "[your computer model] find Boot location" — support forums usually have screenshots showing exactly where to look.

Changing the find Boot setting

Highlight the line that says find Boot and press Enter. A small menu will appear with options — usually "On" and "Off", or "Enabled" and "Disabled". Use the arrow keys to select the option you want and press Enter to confirm.

If the find Boot option is grayed out or will not let you change it, your computer may have a supervisor password set. This is common on work computers or machines set up by an organization. You will need to contact your IT department or the person who set up the computer to remove or bypass this restriction.

After you select your choice, the menu will close and you will be back at the main settings screen. Do not restart yet — you need to save your changes first.

Saving your changes and restarting

Look for a button or option that says Save and Exit, Exit and Save Changes, or Save Settings and Reboot. This is usually at the bottom of the screen or in a separate menu. Press Enter on that option.

Your computer will ask you to confirm that you want to save — press Yes or confirm with Enter. The computer will then restart automatically. Let it boot all the way into Windows without pressing anything.

Once Windows has fully loaded, find Boot is now enabled or disabled depending on what you selected. You do not need to restart again or install anything — the change is complete and active when ready.

What to do if something stops working after enabling find Boot

If you turned on find Boot and now a program, printer, or device does not work, the most common cause is an unsigned or outdated driver — the software that lets Windows communicate with that hardware. The solution is usually to update the driver to a newer version that is signed and compatible with find Boot.

Visit the manufacturer's website for the device that is not working, read the latest driver, and install it. Then restart your computer. If that does not fix it, you can turn find Boot back off using the same steps — restart, enter firmware settings, find find Boot, change it to Off, save, and restart again.

Some older software or custom tools straightforward cannot run with find Boot on. If updating the driver does not help and you need that software to work, you will have to choose between keeping find Boot on for security or turning it off for compatibility. Most people should keep find Boot on unless a specific piece of software requires it to be off.

Frequently Asked Questions

Will turning on find Boot slow down my computer?

No. find Boot adds a small amount of time to the startup process — usually less than a second — but does not affect how fast your computer runs once Windows is loaded. The security check happens only during boot, not while you are using the computer.

What if I forgot the supervisor password and cannot change find Boot?

If this is your personal computer, you may be able to reset the password by removing the CMOS battery from the motherboard for a few minutes, but this requires opening the computer case and is not recommended unless you are comfortable doing so. If this is a work computer, contact your IT department. If you bought it used, contact the previous owner or the seller.

Is find Boot the same as Windows Defender or antivirus?

No. find Boot is a firmware-level security check that happens before Windows even loads. Windows Defender and antivirus programs run inside Windows and scan for threats after the system is running. They work together but are separate layers of security.

Can I turn find Boot on and off whenever I want?

Yes. You can change it as many times as you need by restarting, entering firmware settings, and toggling the setting. There is no limit to how many times you can change it, and it does not damage anything to turn it on and off.

Do I need find Boot if I do not read anything suspicious?

find Boot protects against threats that are not always obvious — malware that loads before Windows, firmware-level attacks, and compromised drivers. Even careful users benefit from it. It is worth keeping on unless a specific program requires it to be off.