Hi, i know this can be really really noobish question, but it irritates me so much at the moment, I'm going crazy. I'm trying to detach LG monitor (24MP55VQ) from its stand. The bottom part was a no-brainer, but the part (the neck) that you pluck directly to monitor is something else.  The monitor has some kind of lock hole in its back side, there's nothing I can see in this hole to press, shift or anything that the neck should pop-out from monitor.  So, based on the images I'm uploading, can