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First, re-create partition 2 to be EFI System, open Admin command and type:
diskpart
select disk 0
select par 2
delete par
create par EFI =====> Re-create partition to be EFI System
format fs=fat32
assign letter=U
exit
Next, type:
bcdboot C:\windows /s U: =====> will create a new BCD to boot from for new EFI System.
REBOOT
access boot menu, there will be 2 Windows Boot Managers, 1 for the first EFI just created, the other for the old EFI. Select the first one to boot from.
Open Admin command again, type:
diskpart
select disk 0
select par 6
delete par override =====> this will delete the old EFI.
exit
NOTE: The order of Windows Boot Manager might be in reverse. If cannot delete par 6 (Old EFI) then reboot, select 2nd boot manager then try to delete partition 6 again.
Last edited by topgundcp; 01 Jan 2018 at 01:32.
just read bcdboot /? reference... isn't itNext, type:
bcdboot C:\windows /s U: =====> will create a new BCD to boot from for new EFI System.
bcdboot C:\windows /s U /f UEFI ?
You must have done something wrong or did not follow exactly what I posted above. If done correctly, you should see 2 EFI System partitions and both can boot into Windows. From Boot Menu, you should see 2 Windows Boot Manager
Why did you use list volume instead of list partition ? you need to know which partition to delete.
Try again. Use the first Windows Boot Manager to boot. Once in Windows, delete the second Windows Boot Manager.
SOLVED !
just didn't realize what's actually access boot menu supposed to mean... it means get into bios firmware setting ! (press F2 of F10 or another Fn depends on H/W)access boot menu, there will be 2 Windows Boot Managers, 1 for the first EFI just created, the other for the old EFI. Select the first one to boot from.
Thanks so much. God blesses you.. ameen