Click Start, type "System Information," and look for "BIOS Version/Date" to see if an update is needed.
Search Acer’s official support site for "Acer Nitro 5 AN515‑43 BIOS" and download the BIOS package specific to your model/revision. Only use files labeled exactly for AN515‑43. update bios acer nitro 5 an51543 link
Never download BIOS files from third-party websites. They can contain harmful viruses. Always use the official Acer support platform. Open your web browser. Go to the official Acer Support website at . Locate the search bar on the page. Type Nitro AN515-43 into the box and press enter. Select your specific laptop model from the list. Click on the tab labeled Drivers and Manuals . Scroll down and click the drop-down menu for BIOS/Firmware . Click Start, type "System Information," and look for
Before starting, ensure your system is prepared to prevent a "bricked" motherboard: Plug in Power : The laptop must be connected to an AC adapter throughout the entire process. Battery Charge : Ensure your battery is at least 25% charged (100% is recommended). Close Apps Never download BIOS files from third-party websites