转到安装Windows 7的启动驱动器中（如“F:”），

F:WindowsSystem32> bcdedit /set {default} osdevice boot

F:WindowsSystem32> bcdedit

Windows 启动管理器

Windows 启动加载器

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标识符 {default}

device boot //修复前是香港云服务器错误“unknown”

path Windowssystem32winload.exe

description Windows 7

locale zh-CN

inherit {bootloadersettings}

recoverysequence {75c57396-353e-11de-9cee-fd57599631b0}

recoveryenabled Yes

osdevice boot //修复前是“unknown"

systemroot Windows

resumeobject {75c57394-353e-11de-9cee-fd57599631b0}

nx OptIn

detecthal Yes //修复前是云服务器“No"

(责任编辑：人工智能)