Screen saver - before login, Windows XP

If you select the Screen Saver tab of the Desktop control panel applet you can configure Power saving settings which include powering off the monitor after x minutes. To enable the monitor to power off for the logon screen perform the following on each machine:

1. Start the registry editor (regedit.exe)
2. Move to HKEY_USERS\.DEFAULT\Control Panel\Desktop
3. Double click PowerOffActive and set to 1. Click OK
4. Double click ScreenSaveActive and set to 1. Click OK
5. Double click SCRNSAVE.EXE (if present) and set to "(NONE)" (don't type the quotes). Click OK
6. Move to HKEY_USERS\.DEFAULT\Control Panel\PowerCfg
7. Double click CurrentPowerPolicy and set to 0 (the Home/Office Desk power setting configuration). Click OK
8. Close the registry editor
9. Reboot the machine