If the built-in feature doesn't work for you, you can try resetting the BIOS password using a jumper. This method requires some technical expertise and caution.
Wait for a "System Disabled" message and a reference code (e.g., an 8-digit code sometimes starting with "A"). hp probook x360 11 g1 ee bios password reset top
If the device is yours and not stolen/borrowed, contact HP support or your IT department. They can generate a one-time unlock code based on the displayed on screen. If the built-in feature doesn't work for you,