To disable this option in Windows 98, and Windows 2000 and Millennium, click on the "Start" button and click once with the left mouse button on the item "Control Panel."Then, in the window that opens, click twice the same-click on the menu item "Power Management."Then select a power plan, and the best settings for your particular computer.Click on the drop down box marked "Turn off monitor" and select "Never".Save the settings by pushing the button "Apply" and "OK".
As for the popular operating system Windows XP, there is also run from the control panel "Start" menu.Select "Power Options."Or first need to select "Performance and Maintenance" and then "Power Options."Then the window will open where you need to go to the tab "Power Schemes" and select the desired mode.
If you have a stationary PC, choose the mode "Home / Desktop", and if you have a portable device - "Portable".Select "Never" in drop-down list box marked "Turn off monitor" and "Turn off hard disks".Save the changes by pressing the first button, "Apply" and then "OK".
In the case of operating systems, Windows Seven and Vista activate again, select "Control Panel", there go to "System and Maintenance" and then - "Power".A window will open where you need to select the desired power scheme and click on the "Change display settings".
Select the "Advanced Settings", click on the "Change" button.Expand the drop-down list box marked "Sleep" and "Sleep after ...", stated in each version of "Never."
Do the same with drop-down lists "turns the screen off when ..." and "Hibernate after ..." - this tab is "Screen".That is, you need to drop-down lists to select options, "Never."
Close the current window and save your changes by pressing the buttons "OK" and then "Save."