After three incorrect password attempts, press when prompted for HP SpareKey Recovery .
: This method does not work on all firmware versions; many 840 G1 units will simply lock without showing a code. how to remove bios password hp elitebook 840 g1
Before attempting hardware shorting, try contacting . If you can provide a legitimate invoice or proof of purchase, HP is legally obligated to provide an unlock code (under their “Computer Reset” policy for used goods in many jurisdictions). After three incorrect password attempts, press when prompted
Because the EliteBook 840 G1 is a business-class machine, the password is often stored in non-volatile memory, meaning removing the CMOS battery may not work. After three incorrect password attempts