This short but quick guide will show you how to enable popup-PM notifications so you don't have to look everytime you get one. Also since it wasn't enabled when you first registered.

Steps:
1) Look on the Navigation bar at top of the forum. Then click "Private Messages" then look for "General Settings"
[Only registered and activated users can see links.]

2) Click "General Settings"
[Only registered and activated users can see links.]

3) Scroll down to Private Messaging


4) Find New Private Message Notification Pop-up


5) Enable Show New Private Message Notification Pop-up.



And you're done! Enjoy getting popup PM's!