Samsung LS19A200NW-ZA - Manual (Page 12)

2-2 Installing the Product
2-2 Installing the Stand
Before assembling the product, place the product down on a flat and stable surface so that the screen is facing downwards.
insert the adapter into the head of monitor,when you head a sound "click" then you had
fixed the stand-body completely
when insert the ADAPTER,one hand hold it and another hand press the head as picture
showing
the press direction is 45°as picture showing
push the stand-base into the stand-body following the arrow as shown,when you head a
sound "click" then you had fixed the stand-base completely
one hand hold the adapter and thumbs press the base following the direction as arrow
showing, at the same time another hand shake the base to take it out