Disable Power Save from the Control Panel:
Windows Vista, 7, 8, and 10 users:
- Open the Control Panel
- Type "power options" into the search box. Click "Power Options."
- Click the Change Plan link under any of the plans to get the Edit Plan Settings window as shown below. If you do not want the computer to go into Standby mode or turn off the screen, select Never. You can also change the amount of time before the screen is turned off or the computer goes into Standby mode by selecting a different time limit.
Disable, power save, standby, sleep, projector