What Does the F12 Key Do on Startup? How to Access the Boot Menu

Learn how pressing F12 during startup opens the boot menu, letting you select different boot devices for troubleshooting or OS installation.

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F12 on startup is commonly used to enter the boot menu of a computer. This allows users to select a different device to boot from, such as a USB drive or an alternative hard drive, rather than the default drive specified in the BIOS settings. It's particularly useful for troubleshooting or installing a new operating system. However, the specific function can vary depending on the computer's manufacturer, so it's recommended to check your system's documentation.

FAQs & Answers

  1. What is the F12 key used for during computer startup? During startup, pressing the F12 key typically opens the boot menu, allowing users to select a different device like a USB drive or hard disk to boot from.
  2. Can the function of the F12 key differ between computers? Yes, the F12 key's function on startup can vary by manufacturer, so it's best to consult your computer's documentation for exact details.
  3. How do I use the boot menu to install a new operating system? Press the F12 key during startup to open the boot menu, then select your USB or installation media device to boot from and proceed with the OS installation.

Watch More

For more helpful tips on managing your computer's startup and troubleshooting common issues, explore our guides on BIOS access keys, how to boot from USB drives, and installing operating systems.

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