We tried reaching you on a private message but did not receive a response. Please feel free to write back whenever you are available.

Welcome to the Dell Community @onpin 

Dell Support for lost BIOS password:

https://www.dell.com/support/article/us/en/04/sln314479/dell-support-for-lost-bios-password?lang=en

Dell System prompts for a Hard Drive (HDD) or BIOS password:

https://www.dell.com/support/article/us/en/04/sln142655/dell-system-prompts-for-a-hard-drive-hdd-or-...

Best regards,

U2

https://biospassword.eu/dell-free-passwords

https://bios-pw.org/

http://dogber1.blogspot.com/2009/05/table-of-reverse-engineered-bios.html