Look for and note the current version (e.g., v1.10).
Before downloading anything, verify if you actually need an update. Press the button and type "System Information". update bios acer nitro 5 an51543 link
Compare this to the latest version listed on the Acer Support site. Crucial safety steps to prevent system failure: Product Support - Nitro AN515-43 | Acer United States Look for and note the current version (e
page. You will need your Serial Number, SNID, or you can search directly by the model " Nitro AN515-43 1. Check Your Current BIOS Version v1.10). Before downloading anything
To find the official BIOS files for your specific model, navigate to the Acer Drivers and Manuals