![Update Update](http://2.bp.blogspot.com/_qNFgsHp2dCk/R9K8TVEYEJI/AAAAAAAAAwI/NnOPrzFCZoE/s1600/bios-version-esettings-acer-2.jpg)
![P01-A2 P01-A2](https://forums.laptopvideo2go.com/uploads/monthly_2017_08/U.png.0df5ecb3196462b742a6dfb2cc0f1a6b.png)
First you need to check your BIOS version, then and click on BIOS then read this and download the correct BIOS version: How can i understand which version i need to download? Laptop versions: 1.xx can only be updated using 1.xx versions 2.xx can only be updated using 2.xx versions (normally 2.xx version are labeled 'not for upgrades') Desktop versions: P01.xx can only be updated using P01.xx versions P11.xx can only be updated using P11.xx versions (normally P11.xx version are labeled '.not for upgrades') 'L' BIOS versions are Linux OS dedicated (example P01.xxL). what does it mean 'not for upgrades'? During the windows 7 to 8 transition, some PC models had different BIOS versions from factory, related to the installed OS.
Windows 8 PC got an UEFI BIOS Windows 7 PC got a 'Legacy' BIOS So PC with Windows 7 installed from factory can't use the 'not for upgrades' BIOS version, even if they were upgraded to Windows 8 or 10, since the factory BIOS was a different version compared to PC with Windows 8 from factory. Unzip the downloaded file, browse to WIN folder of the unzipped files and run the flash.bat file.
I will not be held responsible for anything that may go wrong with your BIOS, and by downloading a modded bios you are held responsible for what you choose to do with it. BIOS Update; BIOS Recovery. ACER Aspire X3810 (Ami P01-A3. I suppose that these two versions are lighter and there must be exist two full versions such.