自从有一次更新了windows之后，本来锁屏状态点一下空格就直接到输入密码了，然后指纹、滑动解锁什么的，5秒之内就可以登录，现在非得要ctrl+alt+del才能到那个界面，很麻烦，今天终于找到了解决方案。

1. sign in as Administrator
2. Press Windows Key + R Key, type secpol.msc and hit enter.
3. In the left pane, expand Local Policies, and click on Security Options.
4. In the right pane, right click on Interactive Logon: Do not required CTRL+ALT+DEL and click on Properties.
5. Select (dot) Enabled, and click on OK.

然而后来发现可能会因为公司的本的policy还是啥，每次重启或者睡眠唤醒之后，这个setting就重置了，于是找到了另外一种修改注册表的方法（经过观察这个也无效。。。唯一的办法就是每次重置时候再手动调回来）

1. Press Windows key + R to bring up the Run box. Type regedit and press Enter to open the Registry Editor.

2. In the left pane of Registry Editor, navigate to the following key:

   HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System

3. You should see a DWORD (32-bit) entry named DisableCAD in the right pane. Double-click it and change its value from 0 to 1.