Windows Server 2012 R2 Boot Repair ((better))

This fixes 80% of boot errors:

select partition X assign letter=K: exit windows server 2012 r2 boot repair

diskpart list disk select disk 0 list partition This fixes 80% of boot errors: select partition

"Bootmgr is missing" "File: \Windows\system32\winload.exe" "Status: 0xc000000f" "The boot selection failed because a required device is inaccessible" windows server 2012 r2 boot repair

bootsect /nt60 sys /mbr