Connect the AC adapter to the laptop. 2. Connect the adapter to an electrical outlet. 3. Click Start. Enter "details" in the search box. Click "System Information." Wait for the data to be filled and click on "BIOS Version / Date." 4. Write down the details in the list. 5. Open a Web browser and navigate to Acer's support. 6. Select "Notebook" from the product list. Click "Select Your Product By Model." 7. Select "Aspire," "Extensa," "Ferrari" or "TravelMate" from the options and select your product model. Click "Confirm." 8. Click "BIOS." Compare the version with the BIOS software installed on your Acer laptop. If the version is newer than the software currently installed, click on the icon under "Download." 9. Open the ZIP file when the download is complete. Double-click "BIOS.bat" and follow the on-screen instructions to update the BIOS on the Acer laptop.