Remove the programmer. Reinstall only the RAM and CMOS battery.
A completely blank or universal "exclusive" BIN file will fix a bricked laptop, but it may boot with a "Manufacture Programming Mode is in Unlock Mode" warning or missing serial numbers. To restore your laptop's original identity: hp probook 640 g2 bios bin file exclusive
Commonly identified as CIRCUS 6050A2723701 MB-A02 . Remove the programmer
Exclusive BIOS BIN files for the HP ProBook 640 G2 are essential for repairing "bricked" laptops, removing BIOS passwords, or fixing corrupted firmware. Security Enhancements: The HP ProBook 640 G2 supports
Fixes "black screen" starts where fans spin but the display remains blank. Security Enhancements:
The HP ProBook 640 G2 supports Legacy BIOS and UEFI. Some exclusive bin files are pre-configured to force UEFI boot (Secure Boot enabled). If you need Legacy support for Windows 7 or Linux, you must request an exclusive Legacy edition bin file before flashing.