If you use BitLocker encryption, suspend it via Settings > Update & Security > Device Encryption to avoid being locked out after the reboot.
Acer simplifies the BIOS update process by providing a Windows-based executable installer. You do not need to create a bootable USB drive for this specific model. Navigate to your folder. Right-click the downloaded ZIP file and select Extract All .
Open the BIOS again (press F2 at startup) to confirm that the now matches the new version you downloaded. Troubleshooting BIOS Updates update bios acer nitro 5 an51543
This paper is for informational purposes. The user assumes all responsibility for hardware modifications. Acer is not liable for damages caused by incorrect BIOS flashing procedures.
Read the release notes. Note: If a specific version states it requires a previous version to be installed first, do not skip steps. Click to save the ZIP file to your laptop. Step 4: Flash the BIOS If you use BitLocker encryption, suspend it via
: Updating can occasionally cause extremely slow boot times or lag that persists until the CMOS is reset or the BIOS is rolled back (if possible).
If you need to check settings directly, restart your laptop and repeatedly tap the when the Acer logo appears. Safety Check: Navigate to your folder
The laptop will automatically restart.
Double-check your laptop model (AN515-43) and current BIOS version. You can find this information in the System Information section of your laptop's documentation or by pressing Windows key + R , typing msinfo32 , and hitting Enter.
Extract the downloaded .zip file to a known folder (e.g., Desktop). Phase 3: Updating the BIOS (Windows Method) This is the standard method for Acer laptops. Open the folder where you extracted the BIOS files.
Before downloading a new version, verify your current one to see if an update is necessary. Turn on the laptop.