How to change screen(monitor)/power saver settings on windows vista?

my screen turns off after 20 minutes of inactivity, and this is very inconvenient when watching movies. how do i change the settings?How to change screen(monitor)/power saver settings on windows vista?
right click on your computer desktop%26gt;%26gt;personalize%26gt;%26gt;select screen saver%26gt;%26gt;change power settings%26gt;%26gt;select from left menu ';chose when to turn off the display.

then change your settingsHow to change screen(monitor)/power saver settings on windows vista?
go into your control panel and click on power options...looks like an old green cofee pot..doble click it and select custom,then select never for everything click apply then ok. now your problem is solved.
Right click on your main screen, select the screen saver tab, then select the power option
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