This can permanently damage your motherboard if you short the wrong pins.
Older laptops stored BIOS passwords in volatile CMOS memory. Removing power cleared the password.
For corporate or enterprise clients, HP Support can generate a customized SMC (System Management Command) file ( SMC.bin ) to unlock the machine. What You Need to Provide Proof of ownership (purchase invoice). Laptop Serial Number.
You will likely need to provide proof of ownership and the laptop's serial number and UUID.