v8p 重启后：Enter the recovery key to get going again(Keyboa

v8p自动升级重启后出现：Enter the recovery key to get going again(Keyboard Layout:US)
要求输入BitLocker 恢复密钥 有没有人出现过这种情形的？ 后来通过注册邮箱找回密钥，才能进入系统。