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I need to turn on this mode for test of my new drivers.

My operations:

  1. In bios I set a support of UEFI
  2. Enable the option Security boot.
  3. Reboot PC

  4. Load msinfo32 and see

    • BIOS is in UEFI
    • Security boot is in off. Why?????

My OS is MS Win 10 x64 1703, Videocard is Gigabyte Geforce GTX 650, the utility GPU-Z shows that card supports UEFI.

Ideas?

victor kulichkin
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2 Answers2

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Need to set Platform Key in the BIOS. Thanks Alex for help.

victor kulichkin
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Check the system summary, look for "BIOS MODE". It might be in legacy mode. (BIOS MODE)

Andre Gompelman
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  • I wrote BIOS MODE was UEFI – victor kulichkin Jul 04 '17 at 10:01
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    It might happen that you deleted your Platform Key in your BIOS. Check it, there should be a keys database/record section. And maybe there is a restore platform key option. When you do that windows will be booted in secure boot mode. – Alex D Jul 05 '17 at 02:30
  • Thanks Alex, you were right - I didn't have that key in BIOS. After its setting I got full Security Boot. – victor kulichkin Jul 05 '17 at 06:08