Small Phillips screwdriver, tweezers or a paperclip, anti-static wrist strap (recommended).
This requires disassembling the laptop. If done incorrectly, you can permanently damage the motherboard. hp probook 440 g6 bios password reset
The HP ProBook 440 G6 is a reliable business laptop, but forgetting the BIOS Administrator password (also known as the "Power-On" or "System Password") can turn the device into a brick. Unlike clearing a CMOS battery on a desktop, modern HP laptops store passwords in a non-volatile EEPROM chip, making a simple battery pull ineffective. Small Phillips screwdriver