By Sophia | Last Updated
"When locking Windows 10 computer, I often press Ctrl+Alt+Del and choose Lock in the options. But, the Lock option is missing, and I cannot lock computer now. What can I do?"
From the following screen shot, you can get through the problem mentioned above. What's more, the reason leading to such a problem could be that someone has changed the group policy setting named "Remove Lock Computer". Thus, try the steps below to settle the problem.

Step 1: Open the Local Group Policy Editor.
Step 2: Find and open the "Remove Lock Computer" setting.
In detail, you can locate and double-click it in User Configuration/Administrative Templates/System/Ctrl+Alt+Del Options.

Step 3: Do not configure (or disable) this setting.
Choose Not Configured (or Disabled), and tap OK in the setting's edit window.

After these three steps, when you press Ctrl+Alt+Del, you will find that the Lock item is shown in the options, as exhibited in the picture below.

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