Z390 Taichi Secure Boot Issue

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   Hello, new here. 

I need some help with my Z390 Taichi, My OS was Windows 10 then updated to windows 11. Everything was good until a few days ago i was playing BF6 and it crashed randomly, so i reset my pc. when it was booting back up it keeps saying Preparing automatic repair. when i got into bios and turn off "secure boot" its runs perfectly fine.

Both my drivers are GPT, I have CSM turned off.

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Yesoooh Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: Yesterday Status: Offline Points: 105	Post Options Post Reply Quote Yesoooh Report Post Thanks(0) Quote Reply Topic: Z390 Taichi Secure Boot Issue Posted: Yesterday at 1:51am
	Hello, new here. I need some help with my Z390 Taichi, My OS was Windows 10 then updated to windows 11. Everything was good until a few days ago i was playing BF6 and it crashed randomly, so i reset my pc. when it was booting back up it keeps saying Preparing automatic repair. when i got into bios and turn off "secure boot" its runs perfectly fine. Both my drivers are GPT, I have CSM turned off.

Xaltar Members Profile Send Private Message Find Members Posts Add to Buddy List Moderator Group Joined: 16 May 2015 Location: Europe Status: Offline Points: 38588	Post Options Post Reply Quote Xaltar Report Post Thanks(1) Quote Reply Posted: Yesterday at 2:59am
	You may need to reset Secure Boot Keys to Factory Default Once you are booted into Windows, a corrupted Secure Boot key might be the issue. Restart your PC and re-enter your BIOS, go to the Security tab, find the option for Secure Boot Keys or Key Management. Select Restore Factory Keys or Install Default Secure Boot Keys. Save, exit, enter BIOS, re-enable Secure Boot and restart. Hopefully that sorts you out.


Yesoooh Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: Yesterday Status: Offline Points: 105	Post Options Post Reply Quote Yesoooh Report Post Thanks(0) Quote Reply Posted: Yesterday at 3:07am
	Iv done that also when i clear keys and turn secure boot on it doesn't active it, once i install key it actives and does the "preparing auto repair loop". I did notice when it sends me to the repair screen its say "continue to windows 10" but i have windows 11 installed.

Xaltar Members Profile Send Private Message Find Members Posts Add to Buddy List Moderator Group Joined: 16 May 2015 Location: Europe Status: Offline Points: 38588	Post Options Post Reply Quote Xaltar Report Post Thanks(0) Quote Reply Posted: Yesterday at 3:51am
	What BIOS version are you on? If it isn't the latest for your board it may be worth updating. Make sure you restore factory defaults before updating to ensure a smooth update without any issues. I am afraid that's about all I can offer advice wise, this secure boot nonsense is something I just disable. It causes nothing but issues. Might be something to do with the fact that you upgraded from Windows 10, I find upgrading is always problematic unless it was an upgrade from a fresh install of the previous OS. Even then there can be issues. Maybe one of our other forum members knows a bit more on the subject. I am more on the hardware side of things these days. Edited by Xaltar - Yesterday at 3:53am


Yesoooh Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: Yesterday Status: Offline Points: 105	Post Options Post Reply Quote Yesoooh Report Post Thanks(0) Quote Reply Posted: Yesterday at 3:59am
	yeah i got the latest bios i am regretting going to 11.. is there a way to do back to 10? id have it off but BF6 wants secure boot on to run the game

Yesoooh Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: Yesterday Status: Offline Points: 105	Post Options Post Reply Quote Yesoooh Report Post Thanks(0) Quote Reply Posted: Yesterday at 7:58am
	ok I am back on windows 10. I went back through bios and turned off CSM, turn on PTT so the OS could read the TPM 2.0 Module. I set the key to custom and installed keys and enabled secure boot. Booted back up and went right to "Preparing automatic repair". when secure boot is turned off it boots like normal

Xaltar Members Profile Send Private Message Find Members Posts Add to Buddy List Moderator Group Joined: 16 May 2015 Location: Europe Status: Offline Points: 38588	Post Options Post Reply Quote Xaltar Report Post Thanks(0) Quote Reply Posted: Yesterday at 1:39pm
	Did you reinstall 10 with secure boot enabled? Try this: Disable secure boot then boot into windows 10 Run sysconfig and enable safe mode under the boot tab, apply and restart Enter BIOS and enable secure boot Enter safe mode then run sysconfig again and uncheck safe mode reboot That often resolves issues. If not try installing windows 10 with secure boot enabled.


Yesoooh Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: Yesterday Status: Offline Points: 105	Post Options Post Reply Quote Yesoooh Report Post Thanks(0) Quote Reply Posted: 14 hours 55 minutes ago at 7:46am
	yeah i installed windows 10. i did the safe mode and turned on secure boot and it did the same thing didn't make it past logo screen and it said preparing automatic repair. this is driving me insane, haha. had no problems with it until my pc crashed and reset itself while playing BF6 Thank you for helping me i was hoping the safe mode one worked!

Xaltar Members Profile Send Private Message Find Members Posts Add to Buddy List Moderator Group Joined: 16 May 2015 Location: Europe Status: Offline Points: 38588	Post Options Post Reply Quote Xaltar Report Post Thanks(0) Quote Reply Posted: 8 hours 48 minutes ago at 1:53pm
	Damn so still no luck? Last things I can think of are clearing CMOS thoroughly: https://forum.asrock.com/forum_posts.asp?TID=630 10mins should be long enough. If there is a new BIOS available for your board, update to it and see if that resolves the issue. Lastly, if all else fails, open a support ticket with ASRock and see what they have to suggest for you: http://tw.asrock.com/events/tsd.asp Edited by Xaltar - 8 hours 47 minutes ago at 1:54pm