change standy time?

[Decatur]

my laptop goes into standby after 20 minutes of idle, but i need to run a program overnight, so how would i change thaT? i already when into battery power menu and changed it there,and it still does it.

[SmokiestGrunl]

1. Right click on the desktop.

2. Go to properties.

3. Screen Saver Tab.

4. Power button.

5. Power Schemes.

6. System Standby.

7. Change to what you want.

[Decatur]

well i think i fixed it lets find out.