Try these steps

1. Control Panel->Power Options->Change when the computer to sleeps->change "Put computer to sleep" to be "Never" or whatever you want

2. Type "Power" in the "Type here to search" white box(bottom left side next to window icon) and choose "Power & sleep"

3. in "Power & sleep" window, change "Sleep" setting to to be "Never" or what you want

4. Click windows icon and choose "Microsoft Endpoint Manager"->Software center->Options->Power Managerment->check "Do not apply power settings from my IT department to this computer"