1. Open the Control Panel.
2. Click on Power Options.
3. Click on Change plan settings next to the power plan you are using.
4. Click on Change advanced power settings.
5. Expand the Sleep category.
6. Expand the Monitor Sleep, Computer Sleep, Hybrid Sleep, USB Selective Suspend, and Wake Timers subcategories.
7. Set all of the settings in these subcategories to Never.
8. Click on OK.
Mac:
1. Open the System Preferences.
2. Click on Energy Saver.
3. Drag the Computer Sleep and Display Sleep sliders all the way to the right.
4. Close the System Preferences.
Linux:
1. Open a terminal window.
2. Type the following command:
```
xset s off
```
3. Press Enter.
4. Type the following command:
```
xset -dpms
```
5. Press Enter.