The password is stored in non-volatile memory (NVRAM) inside the Nuvoton EC (Embedded Controller).
The Latitude 5520 has and Boot Guard . If you corrupt the Intel ME (Management Engine) region during flashing, the laptop will never boot again—even with a soldering iron. You will have a $500 paperweight.
If the laptop asks for a password before Windows loads (Pre-boot Authentication), CCTK will not work. You need hardware access.
While holding the bridge, connect the AC adapter (leave the main battery unplugged) and power on the machine.
April 22, 2026 | Category: IT Support & Hardware Security dell latitude 5520 bios password reset
: Locate the System Security or Security section using the sidebar or menu. Modify Passwords : Select System Password or Setup Password .
If your laptop is under warranty, it is free. Out of warranty, Dell charges between $39 and $99 for password recovery service.
Before attempting any of these methods, understand that improperly performed steps—especially those involving the disassembly of your laptop—can void your warranty and physically damage your computer. Always consult your device's manual or Dell's official support documentation for guidance before beginning.
Once you regain access to the BIOS, take these steps immediately to prevent future lockouts: Press during boot to enter the BIOS setup menu. Navigate to the Security tab. Select Admin Password or System Password . The password is stored in non-volatile memory (NVRAM)
The Dell Latitude 5520 is designed to resist casual BIOS bypass attempts. For most users,
Resetting a BIOS password is a high-stakes task. While various third-party "backdoor" generators exist online, using them carries significant risks, including potential malware or permanent hardware lockout. For the Dell Latitude 5520
Flip the laptop over and loosen the captive screws securing the base cover.
Before we dive into the reset process, let's understand what a BIOS password is. The Basic Input/Output System (BIOS) is a firmware that controls the basic functions of your computer. A BIOS password, also known as a setup password, is a security feature that prevents unauthorized access to your computer's BIOS settings. It's usually set by the user to prevent others from modifying the BIOS settings. You will have a $500 paperweight
If software methods fail, forcing a hardware reset clears the volatile BIOS memory. Tools Required Phillips #0 screwdriver Plastic scribe or pry tool Step-by-Step Hardware Reset Turn off the laptop completely.
Press repeatedly when the Dell logo appears to enter the System Setup [5]. Go to the Security or System Security section [4, 5].
Use the code generated for "Dell" (often generated based on the -595B or similar suffix).
Required to enter the BIOS Setup screen ( This article focuses on removing the Setup/Admin Password . Method 1: Generate a Master Password (Fastest Method)
: When back at the password prompt on your Latitude 5520, type the release code carefully. You must hold the Ctrl key and press Enter to submit the master code; clicking "OK" with the mouse may not work. Hardware Considerations