- Download the BIOS
.zip file from the Acer support site.
- Extract the contents of the zip file to a folder.
- Locate the executable file (usually named something like
InsydeFlash.exe or WINFLASH.exe contained within the extracted folder).
- Double-click the executable.
- Follow the on-screen prompts. The system will automatically restart and enter a flashing screen (often showing a progress bar).
- Wait for the laptop to boot back into Windows (this may take 10–15 minutes).
Step 4: Update the BIOS
Step 1: Identify Your Exact Current BIOS Version
- Press
Win + R, type msinfo32, press Enter.
- Look for BIOS Version/Date (e.g., V1.10, 07/15/2020).
- Compare with the latest available from Acer (see Step 2).
- Insert the bootable USB drive into your laptop.
- Restart your laptop and enter the BIOS settings (usually by pressing F2 or Del).
- Navigate to the "Advanced" or "Main" menu.
- Look for the "BIOS Update" or "MFLASH" option and select it.
- Follow the on-screen instructions to select the BIOS update file from the USB drive.
- Confirm that you want to update the BIOS.
Review: "Update BIOS Acer Nitro 5 AN515‑43" (with link guidance)
Summary
Updating the BIOS on the Acer Nitro 5 AN515‑43 (AMD Ryzen) can fix hardware compatibility, improve stability, and add microcode/firmware updates. It also carries risk: a failed update can brick the laptop. Only update if you have a specific need (fix, CPU/memory support, or recommended by Acer).
Here is the direct link to download the BIOS update for Acer Nitro 5 AN515-43: