If you use Windows Media Player 12 in Windows 7, you may notice some of your media is missing information when displayed in the library.
Find a media file with incorrect details or cover art.
Right-click on the title and select Find album info.
This will bring up the Find album information window.
Here you’ll see the existing information that Windows Media Player interpreted as correct on the left side.
The results of WMP’s search for the media information are on the right.
Click on Artists, Albums , or Tracks to scroll through the search results and try to find a match.
You can also type in new keywords in the Search box and hit enter (or click the Search button) to perform a new search.
If you find a correct match for your media file, click to select it and click Next.
You’ll be prompted to confirm your selection, then click Finish.