Every PC brand hides its BIOS behind a different key, and modern PCs boot so fast the key window is gone in a blink. Windows has a cleaner door: one command that restarts the PC directly into the firmware setup screen.
The old way to enter BIOS is a small lottery — restart, tap Del, too late; restart again, tap F2, wrong key; restart a third time and guess F12. On a fast SSD machine the logo screen can flash past in under a second. The method in this guide skips the lottery completely. Windows itself asks the firmware to open setup on the next boot, so the PC restarts and lands in BIOS on its own. There are two honest conditions: the PC must be running in UEFI mode (not Legacy BIOS), and the command must run in a Command Prompt opened as administrator. Both are checked in the steps below, in under two minutes.
This command talks to the UEFI firmware, so it only works when Windows was installed in UEFI mode. On a Legacy BIOS install it will simply refuse — no tweak changes that. The video checks this first, and so should you.
msinfo32 and press EnterMost PCs bought or installed in the last decade are UEFI. Legacy shows up mainly on very old hardware or on installs that were deliberately done in old-style mode.
A normal Command Prompt window is not enough — the firmware request needs elevated rights, and without them the command fails with an access error.
cmdWindows Terminal or PowerShell opened as administrator work exactly the same way; the command does not care which elevated shell types it.
Save and close anything important before this step. The timer in the command is zero seconds, which means the restart begins the moment you press Enter.
shutdown /r /fw /t 0In the video the command is shown exactly like this. A common variant adds the /f switch — shutdown /r /fw /f /t 0 — which force-closes open programs without showing the usual “apps are preventing shutdown” warning screen. The result is the same; just be certain everything is saved before using the force version.
BIOS setup is powerful and unforgiving — there is no undo button in here. Work with a short list, not curiosity.
Encrypted drive on this PC? Changing boot-related settings can make BitLocker ask for its 48-digit recovery key at the next start. That pairing is covered in the companion guide on suspending BitLocker first.
The command, the UEFI check and the restart into BIOS setup — shown live on a real PC, step by step.
▶️ Watch Full VideoYes. The /fw switch exists in the shutdown command on both Windows 10 and Windows 11. The real condition is not the Windows version — it is that the PC boots in UEFI mode and the command runs with administrator rights.
Two usual causes. If the error says the firmware UI is not supported, the Windows install is in Legacy BIOS mode and this route cannot work. If it says access is denied, the Command Prompt was not opened as administrator. This guide has a separate page for the not supported error.
Yes — it changes nothing by itself. It only asks the firmware to open setup on the next boot. What you change inside setup is where care is needed, which is why changing only what you came for matters.