For EliteBook models, HP stores password information in non-volatile memory, meaning it persists even without power. In the past, HP provided a customized file to unlock BIOS, but their policy changed significantly around 2019.
HP no longer offer bios reset without swapping the motherboard. This was a ridiculous policy change made by them back in May/June. Reddit·r/sysadmin how to remove bios password hp elitebook 840 g1
Resetting a BIOS password on an enterprise-grade laptop like the is more complex than on consumer models. Because these machines are designed for high security, simple tricks like removing the CMOS battery often won't work. For EliteBook models, HP stores password information in
Turn on the laptop and press Esc immediately to see the Startup Menu, then press F10 for BIOS Setup. Step 2: Enter an incorrect password three times. This was a ridiculous policy change made by
A screen should appear prompting you to press F7 for HP SpareKey Recovery.