Before we fix the problem, you must understand the enemy.
sudo flashrom -p ch341a_spi -r original_dump.bin
Power on the laptop. The BIOS password should now be completely removed. If you see any residual prompts (e.g., for TPM or Fingerprint sensor), you can clear those in the BIOS setup. It is also advisable to update the BIOS to the latest version from HP‘s support website to restore any security patches that may have been overwritten.
Exclusive to G-series EliteBooks and ProBooks
Method 3: Hardware EEPROM Reprogramming (Advanced/Last Resort) hp probook 650 g5 bios password reset exclusive
Exclusive Guide: HP ProBook 650 G5 Go to product viewer dialog for this item. BIOS Password Reset Method Finding yourself locked out of the BIOS/UEFI on your HP ProBook 650 G5
HP SpareKey is a built-in feature available on some ProBook models that allows you to reset a forgotten BIOS password by answering three previously enrolled security questions. This feature must have been set up the password was lost.
The HP ProBook 650 G5 belongs to a generation of laptops that use a chip and non-volatile memory to store security credentials. Unlike older laptops where you could simply pull a "CMOS battery" to reset the BIOS, the 650 G5 stores the password in a way that survives power loss. Method 1: The Official HP SMC.bin Method (Recommended)
They will ask for your Serial Number and UUID . You can find these by pressing F1 or F10 at the locked BIOS screen. The Key: If approved, HP sends a customized SMC.bin file. The Reset: Format a USB drive to FAT32. Place the SMC.bin file on the root of the drive. Plug it into the ProBook while it's off. Before we fix the problem, you must understand the enemy
Method 3: Hardware EEPROM/SPI Flashing (Advanced Technical Only)
This exclusive guide breaks down the only verified working methods for the , ranging from official enterprise solutions to advanced hardware-level recovery techniques.
This works 95% of the time for BIOS passwords set before 2023. However, if the password was set via HP Manageability (vPro), this method fails.
For older laptops, removing the CMOS battery to reset the BIOS was a standard practice. However, on a modern device like the ProBook 650 G5, the password is stored on a dedicated EEPROM (Electrically Erasable Programmable Read-Only Memory) chip that retains data without power. If you see any residual prompts (e
: Unplugging the CMOS battery or holding the power button for 25 seconds usually resets system settings (time, boot order) but rarely removes the password on modern HP ProBooks. SMC.bin Files (Legacy) :
reset the password. For persistent locks, professional hardware intervention is required: BIOS Chip Replacement
Hardware tools like the CH341A Programmer or the RT809F .
Once you extract the raw binary file from the SPI flash chip, you must modify the password validation regions. Automated Hex Patchers