As for the link, here it is:
Follow these steps to access the direct, official download page:
: Press Win + R , type msinfo32 , and press Enter. In the "System Information" window, find "BIOS Version/Date". Write down your current version so you can confirm the update was successful later.
Updating your Acer Nitro 5 AN515-43 BIOS can solve stability issues—like the "EC version" update in v1.10 which improved fan behavior—but it requires caution to avoid "bricking" your laptop. Acer Community Step 1: Check Your Current Version Before downloading anything, see what you already have: "System Information" , and open it. BIOS Version/Date and write it down. The latest official stable version reported is (released around March 2021). Acer Community Step 2: Get the Update from Acer Support update bios acer nitro 5 an51543 link
: Go to the Acer Support Site, enter your serial number (SNID) or search for "Nitro AN515-43," and expand the BIOS/Firmware section .
I could try to use the Acer support page's download link. I recall that the Acer support page for the AN515-43 has a "Download" button for the BIOS. I might be able to get the direct link by inspecting the element. But I can't do that directly. I could try to search for "Acer AN515-43 BIOS 1.12 download link" on Google. 7 might have a link. I'll open it. a link.
Perhaps I can find the BIOS on the Acer download server by guessing the URL pattern. Acer's global download server uses URLs like: https://global-download.acer.com/GDFiles/BIOS/BIOS/BIOS_Acer_1.12_A_A.zip or something. I've seen similar patterns. I'll search for "global-download.acer.com AN515-43 BIOS".'m not finding a direct download link. I could try to use the Acer support page's "Download" link. I'll open the Acer support page for the AN515-43 and see if I can get the download link from the source. I'll search the source for "href" and "download". page is heavily scripted, making it difficult to extract a direct download link. As for the link, here it is: Follow
Once your model page loads, scroll down and click on the dropdown tab to expand the list of available versions.
Alternatively, you can navigate there manually:
is a critical maintenance step that can resolve stability issues, improve component compatibility, and sometimes enhance performance. Because a faulty BIOS flash can make your laptop unusable (bricked), it is essential to follow the official, safe method. This guide provides the necessary information for the model and guides you through the process as of May 2026 . 🛑 Important Precautions Before You Begin Updating your Acer Nitro 5 AN515-43 BIOS can
To ensure you are downloading the correct, stable firmware, . Third-party sites can provide corrupted or incorrect files. Official Link: Visit the Acer Drivers and Manuals page Search Method: Enter your model: . Select OS: Choose your Windows version (Windows 10 or 11).
To ensure you are downloading the correct BIOS, only use the official Acer Support site.
Right-click the .exe and select "Run as Administrator."