Resetting BIOS Administrator Password on HP ProBook 450 G2
To avoid getting locked out of your HP ProBook 450 G2 due to a forgotten BIOS administrator password:
Result: On some older BIOS versions (prior to 2015), this bypasses the password for that session. If this works, immediately go into Security settings and clear the password. If it fails, proceed below.
JCMOS1.Last resort: If you are the owner and have proof of purchase, contact HP Support. They can issue a one-time reset password via a signed SMC.bin file (though fees may apply for out-of-warranty units).
For an HP ProBook 450 G2