Things You'll Need
Instructions
Scroll to the "Settings" icon on the PlayStation 3 main menu. Select "Network Settings." Scroll down to "Media Server Connection" and select "Enabled."
Open Windows Media Player. If you're using Windows Media Player 11, click the "Library" button, click "Media Sharing" and place a check on the "Share my media to" box. Select "Unknown Device" and click "Allow." If you're using Windows Media Player 12, click the "Stream" button and click "Turn on Media Streaming." Click the drop-down box next to "Show Devices On" and click "All Networks." Scroll down to "Unknown Device" (the PlayStation 3) and click "Allowed."
Click the "Library" button at the top of Windows Media Player. Drag and drop the MPEG you want to play in the "Videos" folder if it's not there already.
Scroll to the "Video" icon on the PlayStation 3 main menu. Select "Search for Media Servers." The name of your home network will be displayed. Scroll through the list of files and select the MPEG you want to play.