How to Enter the BIOS Setup on Your ASUS Motherboard

Press Delete or F2 During Startup to Enter BIOS

To access the BIOS on an ASUS motherboard, restart your computer and press Delete or F2 repeatedly as soon as the computer powers on — before Windows or your operating system loads. You need to catch the startup window that appears for just a few seconds. If you miss it, let the computer finish booting and try again.

Different ASUS models sometimes use different keys. Delete is most common on desktop boards, while F2 is more common on laptops. If neither works, watch the startup screen carefully — ASUS usually displays which key to press in the bottom corner or center of the screen, often in small text that says "Press DEL to enter Setup" or "Press F2 to enter Setup".

If you are having trouble catching the timing, restart the computer, and as soon as you see the ASUS logo appear, start tapping the key repeatedly. Do not hold it down — tap it several times per second. This gives you a better chance of hitting the window before it closes.

Key Takeaways

Press Delete or F2 during startup, before Windows loads, to enter BIOS on most ASUS motherboards.
The startup screen itself tells you which key to press if Delete and F2 do not work.
Tap the key repeatedly rather than holding it down, starting as soon as you see the ASUS logo.
If you miss the window, restart the computer and try again — there is no penalty for missing it.
Once inside BIOS, use arrow keys to navigate and Enter to select options; look for an on-screen menu to see what each key does.

What to Do If Delete and F2 Do Not Work

On some ASUS systems, particularly older models or certain laptop configurations, the key may be F10, Escape, or Tab instead. Restart the computer and watch the startup screen closely — the correct key is almost always displayed there in text. If the text is too small to read, try taking a photo with your phone during the startup sequence so you can read it afterward.

If you still cannot see which key to press, check the motherboard manual or your computer's documentation. You can also search online for your specific motherboard model number (found on the board itself or in your system information) plus the words "enter BIOS" — this usually returns the correct key immediately.

Navigating Inside the BIOS Menu

Once you are inside BIOS, you will see a menu with different sections and settings. Use the arrow keys on your keyboard to move between options. Press Enter to select or open a submenu. The Escape key usually takes you back to the previous menu or exits a setting without saving changes.

Most ASUS BIOS screens display a help menu at the bottom or side of the screen showing which keys do what — look for text like "Use arrow keys to navigate" or "Press Enter to select". Read this menu first so you know how to move around without accidentally changing something.

Do not change settings unless you know what they do. If you open a setting by accident, press Escape to close it without saving. The BIOS will not change anything until you explicitly save and exit, which is usually done through a "Save and Exit" or "Exit and Save Changes" option in the main menu.

Saving Your Changes and Exiting BIOS

When you are finished making changes, look for an option called "Save and Exit Setup", "Save Changes and Exit", or similar — this is usually in the main BIOS menu or under a File menu. Select it and press Enter. The computer will save your changes and restart.

If you made changes but want to discard them, look for "Exit Without Saving" or "Discard Changes and Exit". This closes BIOS without applying anything you changed. If you are unsure whether you made changes, using this option is safe — it will not affect your system.

Common Reasons You Might Need BIOS Access

Most users enter BIOS to change the boot order (which device the computer starts from), update the BIOS firmware itself, check hardware temperatures, or enable or disable specific features like virtualization or XMP memory profiles. You might also need BIOS access to reset a forgotten password or check whether your motherboard recognizes all your installed RAM.

If you are updating BIOS firmware, download the correct file for your exact motherboard model from the ASUS support website before you start. Firmware updates can take several minutes and must not be interrupted — do not restart the computer or unplug it during the update, or you may damage the motherboard.

Troubleshooting: Computer Boots Too Fast to Catch BIOS

Modern computers with solid-state drives boot so quickly that the startup window may disappear in less than a second. If this happens, restart the computer and hold down the key (Delete, F2, or whichever applies to your system) continuously from the moment you press the power button. This forces the computer to enter BIOS instead of booting normally.

Another option is to shut down the computer completely, wait 10 seconds, then power it on and immediately start tapping the BIOS key. The slightly longer startup sequence gives you more time to catch the window. If the computer has a CMOS battery on the motherboard, removing it for 30 seconds and reinserting it can also reset the startup sequence and give you a longer window to enter BIOS, though this is rarely necessary.

Resetting BIOS to Default Settings

If you changed settings in BIOS and the computer no longer works properly, you can reset BIOS to its factory defaults. Inside the BIOS menu, look for an option called "Load Defaults", "Load Optimized Defaults", "Reset to Default", or similar. Select it, confirm the action, and then save and exit.

If you cannot get into BIOS at all because of a setting you changed, you can reset BIOS by removing the CMOS battery from the motherboard for 30 seconds while the computer is powered off and unplugged. This clears all BIOS settings and returns them to factory defaults. Consult your motherboard manual for the exact location of the CMOS battery.

Frequently Asked Questions

Can I damage my computer by entering BIOS?

Simply entering BIOS and looking around causes no damage. Damage only happens if you change settings you do not understand and then save those changes. If you enter BIOS by accident, just press Escape or select "Exit Without Saving" and your computer returns to normal.

Why does my computer not show the BIOS startup screen at all?

Some computers display a logo or splash screen that hides the BIOS prompt. Try pressing the key anyway — it may work even if you cannot see the prompt. You can also try pressing Escape to skip the logo screen, which sometimes reveals the BIOS key prompt underneath.

Is it safe to update BIOS firmware?

BIOS updates are generally safe when done correctly, but they carry a small risk if interrupted. Download the update file for your exact motherboard model, save it to a USB drive, and follow the on-screen instructions inside BIOS. Do not restart the computer or unplug it during the update process.

What does XMP mean, and should I enable it?

XMP is a setting that makes your RAM run at its rated speed instead of a slower default speed. If you have high-speed RAM, enabling XMP can improve performance. It is safe to enable, but if your computer becomes unstable after enabling it, disable it again and your system returns to normal.

Can I change the boot order to start from a USB drive?

Yes. In BIOS, look for a menu called "Boot" or "Boot Order". Select it and you will see a list of devices. Use arrow keys to move USB drives to the top of the list, then save and exit. The computer will now try to boot from the USB drive first.

This guide is for general information only and is not medical, financial, legal, or other professional advice. For decisions specific to your situation, consult a qualified professional. See our Editorial Policy.