HKCU\Control Panel\Desktop
| Data type | Range | Default value |
|---|---|---|
| REG_SZ | Number of seconds in decimal | 900 (15 minutes) |
Specifies the how long the system must remain idle before the screen saver starts.
To change the value of this entry, double-click Display in Control Panel, click the Screen Saver tab, and then change the value in the Wait text box.