3 - Error Rom File Size Does Not Match Existing Bios Size !!top!!

: The most common cause is trying to flash the .zip file directly rather than extracting it. Flashing utilities cannot read compressed data, which results in a size mismatch error . Ensure you unzip the folder and use the specific firmware file (usually ending in .bin , .rom , or .cap ) .

. This is primarily a preventative measure to keep you from "bricking" your motherboard by flashing incompatible firmware. Acer Community Core Reasons for the Error Wrong Motherboard Model: 3 - error rom file size does not match existing bios size