When updating the BIOS on your Acer Nitro 5 AN515-43, make sure to:
Once you have downloaded the BIOS update file, follow these steps to update the BIOS on your Acer Nitro 5 AN515-43: update bios acer nitro 5 an51543 link
Never update your BIOS “just because.” If your system runs perfectly, leave it alone. When updating the BIOS on your Acer Nitro
Do not proceed until you complete all of these: which causes confusion for many users.)
(Deducting points for the scary installation process where the screen goes black, which causes confusion for many users.)