What should I do if the Win7 system screen saver function is not enabled?

What should I do if the Win7 system screen saver function is not enabled?

1. Press “Win+R” to call out the operation, enter “ldedit” in the box and press Enter to call the Registry Editor;

2, in In the registry, expand "HKEY_CURRENT_USERControl Paneldesktop";

3. In the right window of the registry, find "ScreenSaveActive" and double-click to open;

4. In the edit string interface, the numeric data will be Change to “1” Click OK;

5, if not modified after the modification, please press “Win+R” key combination to call out the operation, enter “gpedit.msc” press Enter Key, call out Group Policy Editor;