Número do artigo: 000131024
BIOS is an acronym for Basic Input or Output System, also known as system setup or UEFI. BIOS or UEFI is a firmware that is embedded on a small memory chip on the computer's system board or motherboard. It acts as an interface between the computer's hardware and the operating system. The BIOS or UEFI also contains instructions that the computer uses to perform basic instructions such as date, time, whether to boot from a hard disk drive, USB drive, or the network, and so on.
There are three types of passwords that can be set up in the BIOS or UEFI of a computer.
For more information about BIOS, how to access the BIOS, and how to update the BIOS to the latest version, see the Dell knowledge base article Dell BIOS Updates.
BIOS or UEFI passwords provide a layer of security for users to prevent unauthorized access to the computer. Follow the instructions in this article to get help to reset the BIOS password.
To reset or clear the password that is set inside the BIOS or UEFI of a Dell desktop, all-in-one, or laptop:
BIOS passwords cannot be recovered. If you have forgotten one of the passwords that is set in the BIOS, contact Dell Technical Support to obtain a password release code. The password release code is based on the unique password prompt that is generated using information from your Dell laptop.
BIOS passwords cannot be recovered. If you have forgotten one of the passwords that is set in the BIOS, resetting the CMOS or NVRAM helps reset the BIOS to factory default settings and remove the passwords from the BIOS.
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For assistance with Microsoft Windows login password issues, see the Dell knowledge base article Problems with Windows 10 local account password or Microsoft Account.
Out of warranty? No problem. Browse to the Dell.com/support website and enter your Dell Service Tag and view our offers.
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06 ago. 2024
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