There you have option to set “PC goes to sleep after”. Select “ Never ”. . This is what you need to do: Press the Windows + R keys using your keyboard to bring up the Run utility, then type in “control” and click the OK button. This is going to open the Control Panel. Make sure that your view mode is set to Category. You can also check if your computer supports 5GHz by going through the network adapter's Properties dialog. Here's how: In the taskbar, right-click on the Start button or tap Windows logo + X. After the Power User menu appears, select Device Manager. When the Device Manager shows up, expand the Network Adapters category. Find centralized, trusted content and collaborate around the technologies you use most. Learn more. Click on the Change plan settings link that is next to the plan that is currently selected. In my case, the High Performance plan is selected, so I'll click on the link next to it.. First, make sure that Put the computer to sleep is set to Never.Next, change the Turn off the display setting to whatever value you desire. You don't have to set it to Never if you don't want to.