Here that even if you don’t use a screensaver, the time value is used to lock the screen. Look for a search result that says Turn screen saver on or off and click on screen saver setting. Now open control panel -> Open Power Options -> Under prefered Plan -> click on Change Plan Settings -> Change Advanced Power Settings -> Sleep -> System Unattended Sleep Timeout -> Set your preferred settings. Right-click Attributes -> change its value 2 and ok to make the changes, close registry editor. Here first backup registry Databse then Navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Power\PowerSettings\238C9FA8-0AAD-41ED-83F4-97BE242C8F20\7bc4a2f9-d8fc-4469-b07b-33eb785aaca0 Press Windows + R, type regedit and ok to open windows registry editor. Here is the solution that worked out for me Here we have some solutions you may apply to fix the issue. If it stops working, it can be a difficult problem to diagnose. Sleep mode is a great way of keeping your PC ready to go at a moment’s notice without wasting power.