Bios update

How do i do a Bios update for my    Acer Aspire X3995

FAQ & Answers

  • IronFlyIronFly ACE Posts: 18,415 Trailblazer

    first you need to check your BIOS version, then

    https://www.acer.com/ac/en/US/content/support-product/4241?b=1

    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'm not an Acer employee.
  • cubeovercubeover Member Posts: 1 New User
    Is there an option for force the cross-grade from P01 to P11?
  • billseybillsey ACE Posts: 11,632 Trailblazer

    ...

    Nope, different motherboards.
    Click on "Like" if you find my answer useful or click on "Yes" if it answers your question.
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