HP_BIOS.exe -s -f bios.bin or extract using 7-Zip (right-click → 7-Zip → Open archive → find Firmware.bin ).
Dell_BIOS.exe /extract
Dell_BIOS.exe /writeromfile or
binwalk extracted.bin Should show UEFI firmware, compressed sections, or filesystem. If you extracted a .cap (Intel CAP format): bios exe to bin file converter