What version of Premiere Elements and on what computer operating system?
When a file which has video and audio components is imported into Premiere Elements (any version), it imports with
its video and audio linked and displayed with the video on Video Track 1 and the audio on Audio Track 2.
You can unlinked this video and audio, but video goes on Video Tracks and audio on Audio Tracks.
Are you seeing other than what I have just described? If so, please give the details.
Add On...Have you seen this Adobe document on grouping, linking, and disabling clips?