Fixboot

bootrec /fixmbr
bootrec /fixboot
bootrec /rebuildbcd

chkdsk C: /f /r
SFC SCANNOW
sfc /scannow /offbootdir=C:\ /offwindir=C:\Windows
Dism /online /Get-Drivers / all /Format:Table

Easy Fix UEFI Boot Missing Winload.efi Using BCDedit Command - winload.efi probleem

BCDedit /set {default} device partition=C:
BCDedit /set {default} osdevice partition=C: