If you can still log into Windows, go to Settings > Update & Security > Recovery > Advanced Startup to reboot directly into UEFI Firmware Settings. Reset forgotten HP laptop bios password A [12345678]
Starting in early 2019, HP modified its security policy for business-class notebooks, including the ZBook 15 G5. HP no longer provides SMC.bin files (unlock keys) to reset forgotten BIOS passwords via software. hp zbook 15 g5 bios password reset 2021
by removing the CMOS battery. Official HP policy states they cannot reset a lost BIOS password; the primary official solution is a system board replacement Common Recovery and Reset Methods 1. "System Disabled" Code & Generator This is the most common DIY method for many HP models. Generate the Code If you can still log into Windows, go
: HP officially states that they cannot reset a lost BIOS password. The only supported resolution is to replace the system board at the owner's expense. SMC.bin Files Retired : In previous years, HP support could provide a custom file to clear passwords, but they stopped offering this service around 2019. 2. Available Self-Service Methods (If Configured) by removing the CMOS battery
BIOS (or firmware) passwords on recent HP business laptops like the ZBook 15 G5 are designed to prevent unauthorized access. Depending on the password type (Power-on, Setup/Administrator, or Drive/BIOS owner) and the security configuration (TPM, Drive encryption), different approaches are required. For 2021-era ZBook 15 G5 machines, simple CMOS battery removal often will not clear a supervisor password because HP stores password hashes in non-volatile firmware or uses TPM-backed features. The reliable options are authorized HP support service, using HP Master/Service BIOS utilities (for service centers), or replacing the system board. Below are the realistic approaches ordered from safest/official to last-resort.