Windows 10 won't boot after BIOS update

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   Hello all,

I just bought a new B365M Pro4 MB.  All was well, hooked everything up and it worked on the first try, Windows fine, OK.

Went to set all the proper BIOS settings, starting with update.  Used the "direct from Internet" option in UEFI.  It asked for a USB drive part way through the update.  All appeared fine until after the reboot, Windows will no longer boot.

All the data is still there, it looks like the update change the boot sector information.  I have tried the normal fixes to get Windows 10 booting again, but haven't got it working yet.

So, wondering if anyone else has run into this problem and could give me a tip on faster resolution, and also raise awareness of the issue.

Thanks

-JCL

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jcl123 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 02 Oct 2020 Location: Arlington, MA Status: Offline Points: 4	Post Options Post Reply Quote jcl123 Report Post Thanks(0) Quote Reply Topic: Windows 10 won't boot after BIOS update Posted: 02 Oct 2020 at 9:56pm
	Hello all, I just bought a new B365M Pro4 MB. All was well, hooked everything up and it worked on the first try, Windows fine, OK. Went to set all the proper BIOS settings, starting with update. Used the "direct from Internet" option in UEFI. It asked for a USB drive part way through the update. All appeared fine until after the reboot, Windows will no longer boot. All the data is still there, it looks like the update change the boot sector information. I have tried the normal fixes to get Windows 10 booting again, but haven't got it working yet. So, wondering if anyone else has run into this problem and could give me a tip on faster resolution, and also raise awareness of the issue. Thanks -JCL

RLGL Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 29 Jul 2018 Location: MN Status: Offline Points: 2025	Post Options Post Reply Quote RLGL Report Post Thanks(0) Quote Reply Posted: 02 Oct 2020 at 10:03pm
	Do you have the correct selection in the bios for the boot drive?
	Asrock Z370 Gaming K6,Intel i7 8700K, Asrock x570 Taichi

jcl123 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 02 Oct 2020 Location: Arlington, MA Status: Offline Points: 4	Post Options Post Reply Quote jcl123 Report Post Thanks(0) Quote Reply Posted: 03 Oct 2020 at 10:30am
	Yes. I tried swapping with another drive, and it came right up with no settings changes. I think the BIOS update borked the boot sector, so I am wondering if anyone else had this happen and if they fixed it.

clubfoot Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 28 Mar 2016 Location: Canada Status: Offline Points: 246	Post Options Post Reply Quote clubfoot Report Post Thanks(0) Quote Reply Posted: 04 Oct 2020 at 1:54am
	Did you initially install windows wit only one drive hooked up? Did you install with UEFI selected,...then windows manager should be selected as your boot drive.