: Navigate to the official Dell Support Portal . You must provide your Service Tag , the generated system hash, and valid proof of purchase to verify ownership.
Find your system's 11-character code and specific hash suffix by intentionally typing incorrect passwords three times.
Here’s a short, realistic story based on that search query:
Locate the physical BIOS chip (SPI flash memory) on the motherboard.
The "work" involved differs vastly depending on which password is set:
The Ultimate Guide to Making a Dell Latitude 7300 BIOS Password Reset Work
Follow steps 1-2 from Method 2 (unplug everything, open the base cover).
If you are locked out of your Dell Latitude 7300, resetting the BIOS password is significantly more difficult than on older consumer laptops. Due to the introduction of and BIOS Guard features, the old methods of removing CMOS batteries or using generic backdoor passwords no longer work.
Once you reset the password, do not let this happen again.
For modern laptops like the Latitude 7300, traditional hardware methods are less reliable because security settings are often stored in non-volatile memory that doesn't clear when power is lost.