This is the "nuclear option." Replacing the entire system board will provide a fresh BIOS with no password, but it is the most expensive route. Summary Checklist 💡 Quick Tips for Success: Always try common default or "forgotten" passwords first.
If successful, the BIOS will grant access and allow you to set a new password. Method 2: Contacting HP Support (The Official Route) hp zbook 15 g5 bios password reset
For Enterprise-grade machines like the ZBook, HP provides a service to generate a file. This is a personalized unlock key linked to your specific UUID and Serial Number. This is the "nuclear option
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. Method 2: Contacting HP Support (The Official Route)
Disconnect the main battery and the small coin-cell (CMOS) battery. Locate the jumper labeled or PASS on the motherboard.
