A replaceable liquid crystal display back plate for portable computer
includes a back plate forming part of a housing of a liquid crystal
display of a portable computer and being provided on an outer surface
with a flat area. The flat area has a pair of outer edges provided at two
opposed laterally outer sides of the flat area on the back plate, and a
plurality of notches formed on the outer edges. A guide mechanism
includes a plurality of L-shaped tabs provided at two laterally inner
sides of the replaceable cover plate corresponding to the outer edges
formed on the flat area of the back plate. When the replaceable cover
plate is vertically downward set in the flat area on the back plate, the
L-shaped tabs of the replaceable cover plate pass the notches of the back
plate and then the replaceable cover plate is horizontally slid along the
outer edges, so that the replaceable cover plate covers on the flat area
of the back plate.