The computer is on the TV.

"start"->; "control panel"->; "Network and Internet"-> "Network and * * * Sharing Center", under the router name in "View Active Networks", there is a "public network", which is the "network location type" defined by Windows 7. In this type, all kinds of * * * sharing and discovery functions are turned off, and DLNA can't play a role.

We click "public * * * network" and the window "Set network location" pops up, including home network, work network and public * * * network.

We click Home Network, and Windows starts the Homegroup Creation Wizard and creates a homegroup.

Now is the time to witness the miracle. We open the Pictures folder, right-click a picture, and a command "Play" is added to the right-click menu. Click to pop up the secondary menu, and a device named "Living Room xxxx" will appear (provided that the TV is on haha).

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When we clicked on this device, the picture being played on TV stopped, and soon the picture on our computer appeared.

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Similarly, you can also project music and videos onto TV.