These tend to need to be activated in very specific places. Such as the entrance to a cave, or along road leading to the objective. Try activating it in the same place you did last time, if you remember where that was, or retrace the steps you would have taken when you first arrived to do this quest.
[SIZE=3][b]Leader of [COLOR="#FFD700"]The Rangers of Eriador[/COLOR], Snowbourn[/b][/SIZE]
[color=#00BF00]Brya, Balthelion, Fyore, Iarngard, Madic, Eoradain, Trystana, Pendalas, Kharmul, Arkunir, Holibrand, Tifridh, Freawyn, Adlanniel, Tiraniel, Lilija, Theda[/color]
[URL="http://www.youtube.com/playlist?list=PL0szyANQhriMn42fCDdke1EMAOcdzmr9v"]Let's Play LOTRO (YouTube Series)[/URL] ~ [URL="https://www.lotro.com/forums/showthread.php?461498-The-Rangers-of-Eriador"]Kin Info/Recruitment[/URL]