Windows 10: Confused - am I booting in UEFI properly - msinfo32 shows I am but..?

Discus and support Confused - am I booting in UEFI properly - msinfo32 shows I am but..? in Windows 10 Installation and Upgrade to solve the problem; Ok, so only Bootable drives will be allowed in the Boot list. I suppose my N1-Samsung SSD 950 PRO 256G drive, with W10 on it, isn't on it's own... Discussion in 'Windows 10 Installation and Upgrade' started by Philip1, Feb 2, 2016.

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  1. ALPHANUMERIC
    alphanumeric New Member

    Confused - am I booting in UEFI properly - msinfo32 shows I am but..?


    The "Windows Boot Manager" notation is I believe a UEFI thing. All I see on my desktop PC that is legacy BIOS is the drive ID. On my laptop its the drive ID with Windows Boot Manager in front of it. Same deal with the UEFI notation in front of your bootable thumb drive entry. You'll only see that on a UEFI PC. It's just extra info, as far as I know. I'm sure somebody will correct me if I'm wrong.
     
    alphanumeric, Feb 5, 2016
    #16
  2. FDEGROVE
    fdegrove Win User

    Hi,

    Actually you only see these extra tags in front of bootable device when bios is running in compatibility mode (CSM).

    Boot manager is Bios managed, UEFI is obviously UEFI managed.

    Once you set CSM to disabled the prefixes will disappear and only UEFI bootable device will be visible in the boot menu when called up.

    Cheers, *Wink
     
    fdegrove, Feb 6, 2016
    #17
  3. ALPHANUMERIC
    alphanumeric New Member
    I have CSM disabled and still see Windows Boot Manager. Disabled is the default setting.
     
    alphanumeric, Feb 6, 2016
    #18
  4. STEVE C
    Steve C Win User

    Confused - am I booting in UEFI properly - msinfo32 shows I am but..?

    Not true. I'm in UEFI only mode and see the UEFI prefix.
     
    Steve C, Feb 6, 2016
    #19
  5. ALPHANUMERIC
    alphanumeric New Member
    It may depend on the UEFI BIOS that's installed? On my wife's Acer laptop, it never ever shows UEFI in front of my UEFI install thumb drive. I can still install in UEFI mode though. This Acer is also very fussy as to how you create the bootable thumb drive. I had to use diskpart to setup my thumb drive for it to even boot from it at all. My ASUS laptop on the other hand, shows the UEFI description and will install in UEFI mode even if the thumb drive is formatted in NTFS.
     
    alphanumeric, Feb 6, 2016
    #20
  6. FDEGROVE
    fdegrove Win User
    Hi,

    Quite likely so. Mine is an OEM AMI bios which was factory set to CSM mode by default.
    Doesn't really matter once you know which is which really.


    Cheers, *Wink
     
    fdegrove, Feb 6, 2016
    #21
  7. ALPHANUMERIC
    alphanumeric New Member
    CSM enabled or disabled, doesn't seem to make any notable difference on my laptop? My laptops UEFI BIOS is pretty basic though. It doesn't look any different than any other BIOS I've seen. Other than the UEFI and CSM entries that is.
     
    alphanumeric, Feb 6, 2016
    #22
  8. FDEGROVE
    fdegrove Win User

    Confused - am I booting in UEFI properly - msinfo32 shows I am but..?

    Hi,

    Same here but then this machine is already a couple of years old. Things have evolved since then UEFI wise.
    Still, CSM or UEFI, I can't say I notice a speed difference. I just set it to UEFI as I don't really need this compatibility mode.
    YMMV.

    Cheers, *Wink
     
    fdegrove, Apr 4, 2018
    #23
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