What is BIOS and How to Update the BIOS on Your Dell System
Summary: This article provides information about what a system BIOS is and how to update BIOS on a Dell computer.
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But don’t worry — we’ve got you covered! For the most accurate and up-to-date information on flashing or updating BIOS, please visit our new and improved page:
How to Update BIOS: Install and Upgrade BIOS
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Article Properties
Article Number: 000129365
Article Type: How To
Last Modified: 24 Oct 2025
Version: 15
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