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There are three types of BIOS passwords that you can set on your Dell desktop or laptop: BIOS System, BIOS Administrator, or BIOS Hard Disk Drive Note : For customer security purposes, you may be asked to provide additional information to verify your computer model and account information to proceed with support assistance. Dell Knowledge Base articles: General Hard Drive and BIOS Password Information Dell Library articles: How to access, navigate, and update the BIOS on a Dell computer
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If you have lost or forgotten your BIOS passwords, and are unable to remember or retrieve the password: Contact Dell Support See one of the following articles for related information: Dell Knowledge Base articles: General Hard Drive and BIOS Password Information Dell Knowledge Base articles: How to Reset or Clear the BIOS Password Dell Knowledge Base articles: How to Perform a BIOS or CMOS Reset and Clear the NVRAM on Dell Computers Dell Knowledge Base articles: Resetting the BIOS to Default Configuration on a System May Not Match the BIOS Settings Configured from the Factory
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