Since the laptop likely won't boot, you cannot use a USB thumb drive. You will need a hardware programmer. Tools Required:
Allows you to flash the chip without desoldering it (though desoldering is more reliable). Adobe/NeoProgrammer Software: To interface with the CH341A. A Working PC: To run the programming software. The Step-by-Step Process: hp probook 640 g2 bios bin file fixed
An affordable and widely used USB programmer. Since the laptop likely won't boot, you cannot
Click "Write." After the process finishes, always run a "Verify" check to ensure the data on the chip matches the file perfectly. Adobe/NeoProgrammer Software: To interface with the CH341A
Once the backup is verified, perform an "Erase" function to clear the corrupted data.
The BIOS (Basic Input/Output System) is the soul of your laptop's hardware. On the ProBook 640 G2, the BIOS can become corrupted for several reasons: