Before starting, suspend BitLocker (search "Manage BitLocker" in Windows) and disable third-party antivirus.

HP EliteBook 830 G6 HP BIOSphere Gen5 , which provides enterprise-grade security features like HP Sure Start Gen5 (self-healing BIOS) and HP DriveLock BIOS Access and Basics Access Key : Immediately after powering on, repeatedly tap the key to enter the BIOS Setup Utility. Startup Menu

Accessing the BIOS on the EliteBook 830 G6 is straightforward, but timing is key.