Do you have the and the suffix code (the letters/numbers after the dash) appearing on your lock screen?
. However, several unauthorized third-party tools and methods exist for generating recovery passwords based on system service tags. Official Dell Recovery Process dell bios password reset tool download
If you are a technician and Dell refuses help (e.g., out-of-warranty without receipt), specialized tools can read and reset the BIOS chip directly: Do you have the and the suffix code
Use extreme caution. Many websites claiming to offer "Dell Password Reset Tools" host malware, ransomware, or phishing scripts. Never download executable files (.exe) from unverified forums or file-hosting sites. out-of-warranty without receipt)