A message "SMC command handled" should appear, and you will have access to the BIOS. HP Support Community Method 3: Hardware BIOS Chip Reprogramming (Expert)
When you enter a wrong password multiple times, the system may display a "System Disabled" message with a specific code. how to remove bios password hp elitebook 840 g1
HP generally no longer provides SMC.bin files for free or at all for older models. They may instead recommend a motherboard replacement for locked enterprise units. A message "SMC command handled" should appear, and
: Locate the small coin-cell battery on the motherboard and disconnect it for at least 5–10 minutes. how to remove bios password hp elitebook 840 g1
Insert the USB into the powered-off laptop. Power it on while pressing
Enter the code provided by the site when prompted on your HP screen.