To access or update the BIOS for an Acer Aspire 5749 , you should use the official Acer Drivers and Manuals page Acer Community How to Find Your BIOS Link Navigate to the Acer Support site Enter your Serial Number , or search for Aspire 5749 in the model list. Expand the BIOS/Firmware section to see available updates and their download links. Acer Community Quick BIOS Access Guide : Press and hold or repeatedly tap the key immediately after pressing the power button.
Many users have bricked their motherboards by flashing a 5750 BIOS onto a 5749 thinking they are the same. While they share the same Intel HM65 Express Chipset, the EC (Embedded Controller) firmware often differs. Flashing the wrong file can result in a laptop that turns on but shows no display—a classic "bricked" scenario.
If you need a direct link and the official site is down, let me know, and I can help locate a cached version, but I strongly advise against third-party hosting sites for BIOS files.
Try the (still partially active):
: Once the model is identified, expand the BIOS/Firmware category to see all available versions.
