1, some have two screws under the screw, to remove the screw first, and then pull out a distance under the TV and then lift up.
2. If the expansion bolt is fixed, screw it down with a wrench.
The wall mount bracket of LCD TV can be universal:
In general, as long as it is a domestic LCD TV, as long as it is a regular market sales of wall mount bracket specifications, it is universal.
LCD TVS, including industrial LCD TVS and other flat panel devices, support VISA International general interface installation standards, Hole distance dimensions (upper and lower dimensions) are :75*75mm, 100*100mm, 200*150mm, 200*200mm, 275*275mm, 430*275mm, 400*350mm, 400*400mm, 450*330mm, 740*450 and other sizes and ranges. The simplest difference is that as long as the TV supports the wall hanging, the backplane can be installed and fixed with a bracket with holes, and in general, the bracket has an applicable range.