Will not boot up

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  1. Posts : 17,370
    Windows 11 Pro
       #11

    sygnus21 said:
    No need to do all that when a simple load optimized defaults would work. And Secure Boot isn't automatically enabled in the BIOS on standalone boards. The default is off because the manufacture has no idea what OS is going to be used with it. And CSM would be enabled as not all (in particular) GPU's and older hardware support UEFI.

    Again, the manufacture has no idea what hardware is going to used with the board so CSM is defaulted to Enabled, thus Secure Boot is defaulted to Disabled.

    Now if the OP made custom changes in the BIOS (as I do) then he'd have to re-do them.
    You are mistaken about motherboards and off the shelf computers that carry the Windows 10 certification sticker. In order to be certified for Windows 10, Microsoft requires Secure Boot to be enabled by default. And since secure boot must be enabled by default on a Windows 10 certified motherboard, CSM cannot be enabled.

    https://docs.microsoft.com/en-us/win...0-boot-process
      My Computer


  2. Posts : 5,829
    Win 11 Pro (x64) 21H2
       #12

    NavyLCDR said:
    You are mistaken about motherboards and off the shelf computers that carry the Windows 10 certification sticker. In order to be certified for Windows 10, Microsoft requires Secure Boot to be enabled by default. And since secure boot must be enabled by default on a Windows 10 certified motherboard, CSM cannot be enabled.

    https://docs.microsoft.com/en-us/win...0-boot-process
    I'll say again.... stand alone motherboards... that is buying a dedicated motherboard for your system build. Been building PCs for quite some time and have delved into BIOS / UEFI's quite a bit. My last system build was Feb of this year using a Gigabyte motherboard and the default CSM is Enabled. The Default Secure Boot mode is disabled. If you want to use Secure Boot you'll have to set it up yourself. I'm not speaking out the side of my heard here, I'm going by personal experience. And I'm very aware of that document, but it does NOT say the hardware must be enabled by default, only that it should support Secure Boot.

    What Asus board probably do is set their BIOS to auto detect if Secure Boot should be enabled or not depending on the OS being installed. That said out of curiosity, did you have to do anything to enable Secure Boot on you Asus board? And are you sure Secure Boot is enabled on your system?

    Anyway, Gigabyte and some others you have to configure the BIOS yourself to enable secure Boot. Here's my 2019 Gigabyte Z390 Xtreme board's UEFI settings...

    CSM Enabled - NO secure Boot (Default settings)
    Will not boot up-csm-enabled-secure-boot-off.jpg

    CSM Disabled - Secure Boot Setting
    Will not boot up-csm-disable-secure-boot-.jpg

    Secure Boot Enabled.
    Will not boot up-secure-boot-settings.jpg

    On some Gigabyte and other boards you have to configure the BIOS yourself for Secure Boot!!!

    Regardless... Loading Optimized Defaults will set a BIOS back to it's default factory settings and this should be done for BIOS updates and certainly for CMOS battery changes. Additionally, if the OP made changes in the BIOS he'll have to reconfigure them back manually. Otherwise the board will stay at the settings the board was in when the OP installed the OS that was working before change (thus clearing) the BIOS settings.
      My Computers


  3. Posts : 16
    win 10
    Thread Starter
       #13

    I have win 10 on a USB drive and tried that
    I have loaded optimized defaults and that did not work
    I have my self convinced that there is a motherboard fault
      My Computer


  4. Posts : 5,829
    Win 11 Pro (x64) 21H2
       #14

    stormforce said:
    I have win 10 on a USB drive and tried that - tried what???
    I have loaded optimized defaults and that did not work
    I have my self convinced that there is a motherboard fault
    Did you configure the motherboard's BIOS when you first installed Windows? If so, again, when you changed the CMOS battery, you wiped those settings and will need to put them back to where they were allowing Windows to boot. Otherwise Load Optimized Defaults should have worked assuming you made no changes when you install the OS.

    That said, sometimes loading the defaults doesn't always get the boot order right. So try this... go into the BIOS and manually set your OS drive as the first boot drive. Make sure it's the first boot drive, and not sitting behind a USB, CD/DVD or other non-bootable drives. And if using UEFI, make sure the boot drive says UEFI.

    Please give this a try and let us know.
      My Computers


  5. Posts : 7,134
    Windows 10 Pro 64 bit
       #15

    Confirm you have changed the CMOS battery with a new one having voltage c. 3.2V, loaded the BIOS defaults and restarted the PC. If that doesn't work try the following before assuming the motherboard is duff:
    • Switch to the secondary /backup BIOS if your motherboard has this and load the BIOS defaults
    • Reflash the main BIOS with the latest version and load the BIOS defaults
      My Computers


 

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