DellBiosResetISO is provided as‑is for authorized diagnostic and repair purposes. The creator assumes no liability for misuse, data loss, or hardware damage. Always back up critical data before performing low‑level system changes.
Select your USB device under the "UEFI" or "Legacy" heading. dellbiosresetiso
can manage BIOS settings from within Windows if you have administrative rights. For out-of-warranty hardware locks, Dell typically requires a paid support call to generate a master unlock code. How to Reset BIOS to Defaults 26 Mar 2025 — dellbiosresetiso