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.
Laptop Keyboard Isn't Working | Dell US
The function keys (F1 to F12) might be set to work as traditional function keys instead of multimedia keys in the BIOS. To use the alternate functions, such as adjusting volume, …
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 …
通过 F12 一次性启动菜单刷新 BIOS | Dell 中国
通过一次性启动菜单更新 BIOS 使用以下步骤通过 F12 一次性启动菜单更新 BIOS： 警告：Dell Technologies 推荐在戴尔计算机上更新 BIOS 之前断开所有设备的连接，包括外部硬盘驱动器 …
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.
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 …
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 …
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.