Many users search for a direct "link" to the update file. While direct third-party links are unsafe, the official Acer support page is straightforward.
: Ensure your laptop is plugged into the AC adapter and the battery is at least 100% charged . update bios acer nitro 5 an51543 link
The AN515-43 has a dual-BIOS feature on some motherboards. If the main BIOS fails, it may attempt recovery from a secondary chip after 3 failed boots. Let it loop 3–4 times before panicking. Warning: Many users search for a direct "link"