Unlike Windows passwords, BIOS passwords are stored on a chip called the (Electrically Erasable Programmable Read-Only Memory) on the motherboard. The Latitude 3380 (part of Dell’s 3000 series, released around 2017-2018) uses a specific cryptographic algorithm. When you enter a wrong password three times, the laptop displays a "System Disabled" code (e.g., #H827JQ3-7FC8 ).
Ensure the Latitude 3380 is shut down and unplugged from the wall charger.
Short pin 8 (VCC) and pin 4 (GND) for 1 second while powering on – but this can fry the chip if done wrong.
If using a master code, ensure your keyboard layout matches the region of the master code generated (US vs. UK layout keys). dell latitude 3380 bios password reset
Shut down the laptop completely. Unplug the charger and any attached cables.
Two attempts left.
This guide is for educational purposes and for resetting a BIOS password on a device you legally own. Bypassing BIOS passwords on stolen or unauthorized devices is illegal. Proceed at your own risk; some steps may void your warranty or damage your hardware if not performed correctly. Unlike Windows passwords, BIOS passwords are stored on
If software generators fail, you can manually clear the NVRAM (where the BIOS password is saved) using the hardware jumpers on the Latitude 3380 motherboard.
: A critical step often missed is that the generated key must be typed into the password field and submitted by pressing Ctrl + Enter
: By entering the wrong password multiple times (usually 3–5 attempts), the system displays a unique alphanumeric "System Number" or "Service Tag" followed by a hash code (e.g., Verification : Owners must contact the Dell Support Team Ensure the Latitude 3380 is shut down and
Boot and enter BIOS – no password.
If you already know the password and just want to remove or change it: Restart and tap to enter BIOS Setup . Navigate to Security > Admin Password or System Password .
: You must hold the Ctrl key and press Enter for the master password to be accepted. Method 2: Physical Motherboard Jumper
Note down the exact code exactly as it appears (including dashes and capitalization).
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