Acer Aspire 5749 Bios Link ((top)) -

: The system will automatically flash the BIOS and may restart several times. Do touch the power button during this time. Acer Community specific hardware issues you're trying to solve with this BIOS update? How to update your BIOS on an Acer notebook computer

Updating BIOS is a high-risk procedure; if interrupted, it can render the laptop unusable. Follow these steps to ensure a safe installation: Download Acer Support Drivers and Manuals acer aspire 5749 bios link