If you are experiencing a specific issue like a or need help identifying your current BIOS version , please let me know so I can provide the exact steps to help you. Share public link

Enter into the model search bar, or input your laptop's unique 22-character SerialNumber (S/N) or 11-digit SNID found on the sticker at the bottom of your laptop.

Your mouse and keyboard might temporarily freeze.

Acer typically distributes BIOS updates for the Aspire 5749 as a self-extracting Windows executable application ( .exe ). This makes the process incredibly straightforward. Method 1: Updating Directly via Windows

The official can be found on the Acer Support Drivers and Manuals page . To locate the correct firmware, you must enter your laptop’s Serial Number (SNID) or the model name "Aspire 5749" into the search field.