When you download a BIOS update from a manufacturer’s website (like Acer), you usually get an .exe or a partial .cap file. These are update files, not full images. They lack the:
This file is provided "as-is" from third-party repair forums. To get the exact match for your issue, please tell me: What is the exact CPU/GPU (e.g., Intel i5-7th Gen)? da0mtcmb8f0 rev f bios bin full