Move the jumper cap from its current position to the reset position for 10 seconds. Move it back, reconnect the batteries, and boot up. Method 4: Replacing the BIOS Chip or Motherboard
The ZBook 15 G5 motherboard contains a specific jumper meant for clearing the "Power-On Password." While this may not always clear the "Administrator Password," it is worth attempting before seeking hardware replacement. Power off the laptop and remove the bottom cover. hp zbook 15 g5 bios password reset
Disconnect the main battery and the small coin-cell (CMOS) battery. Locate the jumper labeled or PASS on the motherboard. Move the jumper cap from its current position
To provide more specific steps, I'd need to know if you can still boot into Windows or if the laptop is completely locked at the start. Power off the laptop and remove the bottom cover
If successful, the BIOS will grant access and allow you to set a new password. Method 2: Contacting HP Support (The Official Route)
The HP ZBook 15 G5 is a powerhouse workstation, but getting locked out of the BIOS can bring your productivity to a screeching halt. Whether you inherited a device with an unknown password or simply forgot your own, resetting the BIOS password on this specific model is more complex than on older laptops.
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