Try the relink again, be carefull when you reach the relink option, don’t tick @rekink only to present project, and tick all available drives…
Failing that, the media tool should show all the clips correctly, regardless. copy from the media tool to a new bin, then highlight your sequence and the clips in the new bin and, relink to selected…
Make sure the mediafile folders on the external drive are still correctly labeled or avid won’t recognise them.
The danger of importing the clips from the folder into a bin is that avid won’t recognise the links between audio and viseo files, leaving you with seperate clips for each…