If you find the lighthouse beacons are not correctly displaying whether or not a forum contains messages you haven't read, it may be because you have set in your browser's preferences that you refuse all "cookies". The Forums place a "cookie" on your hard drive to indicate when you last visited and compares that date with the current date and time to determine whether to display the "lit" or "dark" lighthouse icon.

If you allow "cookies" and the beacons are still not correct, try clicking on lighthouse graphic at the top of each Forum page (That's Battery Point Lighthouse in Crescent City CA, by the way.) You may need to click on it 2 times to reset all the beacons to "dark".