Set boot menu display order:
bcdedit /set bootmgr displaybootmenu no bcdedit /timeout 0 bcdedit
bcdedit /debug on bcdedit /dbgsettings serial debugport:1 baudrate:115200 Set boot menu display order: bcdedit /set bootmgr
bcdedit /export C:\backup_bcd.txt
bcdedit /copy current /d "Boot from VHD" bcdedit /set guid device vhd=[C:]\Windows.vhdx bcdedit /set guid osdevice vhd=[C:]\Windows.vhdx bcdedit /set guid path \Windows\system32\winload.efi bcdedit
Used by developers to debug the kernel.