Locate the latest version available (The final official stable build for this model is generally version next to the file to save the ZIP folder to your computer. Acer Community Step 3: Run the BIOS Installation
Run msinfo32 again. The BIOS version should have changed. update bios acer nitro 5 an51543
He extracted the BIOS zip. Inside were three things: a .exe (Windows flasher—danger zone), a .fd file (the actual firmware), and a .bat script for DOS. He copied the .fd and .bat to the root of the USB drive. Locate the latest version available (The final official
report that updates (specifically v1.12) caused extreme lag, slow boot times, and even broken boot managers. a .fd file (the actual firmware)