Windows 8 and 8.1 Forums

BIOS Update

  1. #1


    N.Y.
    Posts : 2,214
    Windows 10 Pro 64bit

    BIOS Update


    This issue has been an ongoing one about close to a year after i purchased my PC. It is an ASUS PC when i go to the support site for updates in the past and now for my model i see BIOS updates.

    Lately they have been all CAP Bios's,any time i try to use these type of BIOS's it is not recognized in the BIOS utility in the BIOS screen.

    My last BIOS update was a ROM BIOS it worked fine, now all the future BIOS updates on ASUS's site are CAP.

    If i try to rename the BIOS to a ROM i get an error "image integrity check failed". Of course i have spoken to ASUS Support in the past and now over the phone also, but no luck.

    I do know it can be risky updating a BIOS if anything goes wrong the PC will become unstable or unusable.
    Most will say unless there is not something in the BIOS update that will make improvements to the PC that you may feel will help it, do not do it then.

    It has been 4 or so BIOS updates since one i have on this PC so far on ASUS's site.

    I believe my motherboard is not compatible with a CAP BIOS, but why ASUS lists them for my PC, they do not even know, why i ask here.

      My System SpecsSystem Spec

  2. #2


    United States
    Posts : 3,093
    Windows 8.1 Pro 64-bit


    Latest BIOS I see is May of last year. Is it the one you are talking about?

    Click image for larger version


    Also, depending on your version of MB, it may not support UEFI BIOS.
      My System SpecsSystem Spec

  3. #3


    N.Y.
    Posts : 2,214
    Windows 10 Pro 64bit


    No it was this one 1/20/14 date. Yes my motherboard will not support secure boot in windows 8.1 ,but it is a UEFI BIOS.
    Attached Thumbnails Attached Thumbnails BIOS.png  
      My System SpecsSystem Spec

  4. #4


    United States
    Posts : 3,093
    Windows 8.1 Pro 64-bit


    No idea. There are different iterations of models. I have an Acer V3 which has many sub models. Mine is 771G-6443. You may not be looking at the right sub-model BIOS, the picture I posted was for your exact mother board. The picture you posted may be for a model with entirely different MB.
      My System SpecsSystem Spec

  5. #5


    N.Y.
    Posts : 2,214
    Windows 10 Pro 64bit


    Thanks for responding, Well my model is the ASUS Essentio CM6730 no other sub model of that number on there site, although if you are looking under my motherboard P8H61-M-Pro there are different revisions, mine is Rev. 1.0. Does not say or tell you by which revision they are on there site.

    This was how i received my last BIOS update going by this cm6730 model number, case is that it uses ROM BIOS, now they are posting CAP. There are also listings with 3 PC model numbers and one of the three is mine, no BIOS update listed for those.

    On the motherboard it is written P8H61-M-Pro CM6630, but that is not the model for the PC i have , but if you look at that model number you will see the same BIOS i listed before for mine the CM6730.
      My System SpecsSystem Spec

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