Try HP's built-in "Crisis Recovery" method:
A BIN file (short for Binary) is a raw, sector-by-sector copy of the firmware stored on your motherboard’s SPI flash chip. Think of it as the DNA of your computer’s low-level operations. hp compaq 8200 elite bios bin file
: Updating to version 02.29 or 02.33 while using a non-EFI Windows installation can cause the system to hang for over 2 minutes during every warm reboot. Flashing Methods Try HP's built-in "Crisis Recovery" method: A BIN
: If you are using Windows 7 or Windows 10 in Legacy (non-EFI) mode, many users recommend staying on BIOS version 02.28 . hp compaq 8200 elite bios bin file