If you cannot find pads, look for two empty solder points labeled RTC or CLR_CMOS .
Here's a quick reference for which method to try based on your situation:
Once you have changed/removed the password, turn off the laptop and reassemble the base cover. Method 4: Flashing the BIOS Chip (Last Resort) hp zbook 15 g5 bios password reset
Locate the SPI Flash EEPROM chip on the motherboard. On the ZBook 15 G5, this is typically a 16MB or 32MB chip manufactured by brands like Winbond or Macronix (e.g., Winbond 25Q128 or similar). It is a small, 8-pin surface-mount component. Step 3: Read the Current Firmware
Once you successfully regain access to your BIOS, take steps to ensure you do not encounter this lockdown scenario again: If you cannot find pads, look for two
: The ZBook 15 G5, being a 2018-2019 model with potentially newer security features, may fall into the "newer laptops" category that this tool doesn't yet support.
If you can access the BIOS with your administrator password, you can reset BIOS security settings through the built-in interface: On the ZBook 15 G5, this is typically
Method 2: Resetting via HP Client Management Script Library (CMSL)
Historically, HP support could generate a customized file based on your laptop’s specific hardware signature. Step-by-Step Process:
Turn on the laptop. If you see a "CMOS Reset (502)" error, the time reset was successful. Check if the password prompt is gone.
Release the power button but continue holding Windows + V until the CMOS Reset screen appears or you hear beeps. Third-Party Options HP ZBOOK 15 G5 BIOS PWD - HP Support Community