
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 …
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 …
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 …
Repair and Restore your Computer Using SupportAssist OS …
Oct 24, 2025 · Turn the computer on and repeatedly tap the F12 key at the Dell screen to access the One Time Boot Menu (Figure 1). NOTE: If you wait too long, the operating system loads. …
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 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.
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 …
Download and Create Windows Recovery Image | Dell US
Once the download is complete, the tool will automatically create the USB recovery key. Step 5: Using the Recovery Image Restart your computer. Press F12 when you see the Dell logo to …
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.
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 …