Zip archive of roughly 3 MB for the Acer Aspire E1-470 laptop, named by model only. Contents, board number and revision are not stated, so extract it and identify whether it carries a BIOS image, schematic or boardview. Raw firmware is programmed onto the SPI chip with a tool like a CH341A, whereas schematics and boardviews help trace rails, signals and short circuits. Before relying on any of it, match the board number printed on your PCB and save the original flash contents.
The button opens the matching file on RM Schematics, or a source page if it is not catalogued there yet. The original attachment is from @laptopbios21. Enginerys does not host this file.
How to open a .zip file
Compressed archive that every operating system opens without extra software.
Built-in OS tools7-Zip