Cannot Boot To BIOS Setup (F2) or One-Time Boot Sequence …
Nov 26, 2020 · 1. First off, F2 or F12 does not work. 2. F2 right after the keyboard light comes on. 3. Continuous tapping of the F2 key, will cause the desktop not boot at all. 4. Continuous …
How to Flash the BIOS or UEFI with a USB Flash Drive | Dell US
Sep 1, 2025 · Update your Dell BIOS using a USB drive when Windows won't boot. Quick F12 menu method for emergency BIOS flashing.
F12 Not Working to Get to Boot Menu | DELL Technologies
Dec 31, 2018 · The F12 key works when booted up to change the volume so I don't think the key itself is broken. I wanted to make the laptop boot from a Macrium Reflect recovery disk to see …
Flashing the BIOS from the F12 One-Time Boot Menu - Dell
Sep 8, 2025 · Updating the BIOS from the One Time Boot Menu Use the following steps to update the BIOS from the F12 One Time Boot menu: WARNING: Dell Technologies recommends …
How to Boot to the Advanced Startup Options Menu in Windows …
Oct 14, 2025 · The following article provides information about how to boot to the Windows 11, or Windows 10 advanced startup options menu on your Dell computer.
How To Use Multimedia and Function Keys on Dell External …
Jul 3, 2025 · Learn how to use multimedia and function keys on Dell external keyboards, including primary and secondary key functions, swapping modes, BIOS access, and Windows shortcuts.
SOLVED! Boot stops at Dell Logo screen and F2, F12 do not work, …
Sep 26, 2022 · SOLVED! Boot stops at Dell Logo screen and F2, F12 do not work, during Windows Update SOLVED! Optiplex 9010 was updating Windows 10 (Important!!). When I …
How to Run Dell Preboot Diagnostics and Hardware Tests on Your …
May 15, 2025 · How to run Dell Preboot diagnostics to identify hardware issues on your Dell computer. Learn instructions on using Dell onboard diagnostics, performing in-depth tests, and …
F12 Not Working - Even after common fixes | DELL Technologies
Jun 2, 2020 · The F-lock key is just to the right of the F12 key, so easy to hit by accident. Its purpose is to assign a second line of functions for the function keys i.e. hit F-Lock key once …
F12 Key not working | DELL Technologies
Aug 31, 2022 · If the function keys are not working, the problem may be you have a function lock or F-Lock key that needs to be toggled. The F-Lock key is used to turn on or off the F keys ( …