Computer Power Management

How to change power management preferences in Windows XP

1. Open the "Start" > "Control Panel" menu and open "Power Options"
2. Switch to the "Power Schemes" tab
3. In the 'Settings for Home/Office Desk power scheme" box, "Plugged in" sections
4. Change the "Turn off monitor" to "After 5 mins"
5. Change the "System standby" to "After 10 mins"
6. Click "Ok".

How to change power management preferences in OS X

1. Open the "Apple Logo" > "System Preferences" panel and open "Energy Saver"
2. Switch to the "Power Adapter" tab
3. Change the "Computer sleep" slider to 10 minutes
4. Change the "Display sleep" slider to 5 minutes
5. Check the box "Automatically reduce the display brightness before sleep".

How to change power management preferences in Ubuntu

1. Open the "System" > "Preferences" menu and open Power Management
2. Switch to the "On AC Power" tab
3. Change the "Put computer to sleep when inactive for:" slider to 10 minutes
4. Change the "Put display to sleep when inactive for:" slider to 5 minutes.