Dell BIOS and UEFI Update: Download and Installation Guide — by Dell Support

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Dell's guide to checking and updating BIOS. Firmware flashing carries risk: stay on AC power, suspend BitLocker, remove BIOS and drive passwords first, and use Dell's BIOS Recovery if an update fails.

Quick steps

Check the version with F2 or msinfo32
Back up, connect AC power, unplug peripherals
Suspend BitLocker and remove BIOS passwords
Run the update (SupportAssist recommended) and let it restart
Re-enable security features afterwards

Paraphrased from the source. Menus can differ by version, so check the original for full details.

Read the full article on dell.com

Source: Dell BIOS and UEFI Update: Download and Installation Guide by Dell Support. Licence: Link only (©).

Source reviewed: 2026-11-02
Link checked: 2026-11-02
Tested hands-on: Not by Oddbyte.Me

bios updatedellbitlocker

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