Ensure you are using the correct model (AN515-43). Re-download the file, as the previous download might be corrupted.
If you update to a buggy BIOS version (like 1.12) and want to go back to a previous stable version (like 1.10), the news is not good. In the same community discussion about the issues with v1.12, the affected user reported that when they tried to downgrade, "the software will not allow it," which suggests that Acer has implemented a block on flashing older BIOS versions once a newer one is installed. update bios acer nitro 5 an51543
Motherboard firmware manipulation carries absolute finality. If your laptop loses power mid-process, it will fail to post ever again, requiring physical chip replacement. How to Update the BIOS on an Acer Nitro Ensure you are using the correct model (AN515-43)
There are two primary methods to update the BIOS on this model. In the same community discussion about the issues with v1
Right-click the .exe file and select "Run as administrator" .
You must download the BIOS specifically designed for the . Using a file from another model will break your system. Visit the official Acer Support Website.
But the crashing was unbearable.