https://blog.csdn.net/qq_21000273/article/details/52027708 以下命令必须 是cmd管理员启动 用pwshell会报错
Microsoft Windows [版本 10.0.16299.64]
(c) 2017 Microsoft Corporation。保留所有权利。
C:\Windows\system32>bcdedit
Windows 启动管理器
--------------------
标识符 {bootmgr}
device partition=\Device\HarddiskVolume1
path \EFI\Microsoft\Boot\bootmgfw.efi
description Windows Boot Manager
locale zh-CN
inherit {globalsettings}
default {current}
resumeobject {c07e894a-0435-11e9-b87d-a653ce34af37}
displayorder {current}
toolsdisplayorder {memdiag}
timeout 30
Windows 启动加载器
-------------------
标识符 {current}
device partition=C:
path \Windows\system32\winload.efi
description Windows 10
locale zh-CN
inherit {bootloadersettings}
recoverysequence {c07e894c-0435-11e9-b87d-a653ce34af37}
displaymessageoverride Recovery
recoveryenabled Yes
isolatedcontext Yes
allowedinmemorysettings 0x15000075
osdevice partition=C:
systemroot \Windows
resumeobject {c07e894a-0435-11e9-b87d-a653ce34af37}
nx OptIn
bootmenupolicy Standard
C:\Windows\system32>bcdedit /dbgsettings serial baudrate:115200 debugport:1
操作成功完成。
C:\Windows\system32>bcdedit /copy {current} /d DebugEntry
已将该项成功复制到 {c07e894e-0435-11e9-b87d-a653ce34af37}。
C:\Windows\system32>bcdedit /displayorder {current} {c07e894e-0435-11e9-b87d-a653ce34af37}
操作成功完成。
C:\Windows\system32>
C:\Windows\system32>
C:\Windows\system32>bcdedit /debug {c07e894e-0435-11e9-b87d-a653ce34af37} ON
操作成功完成。
C:\Windows\system32>
成功连接上
........................ windbg 1394 运行输入msconfig windbg file>kernel debuging