The most secure way to obtain the BIOS for this specific model is the Acer Drivers and Manuals page . Enter your Serial Number or SNID on the Acer Support site. Alternatively, search by product name ( Aspire 5749 ).
. It does not support UEFI or GPT boot disks for operating systems like Windows 8.1 or 10 without specific legacy configurations. Acer Community 4. Installation Steps the ZIP file from the Acer Support page acer aspire 5749 bios link