Insignia IS-LCDTV32 32 in. Television "phillips 42 inch push power" Questions

Phillips 42 inch television My menu screen continues to come on when I turn on the TV until I push my menu button on the remote. Then 3 or 4 seconds the menu screen comes on again. I continues to do ...

...Phillips 42 inch plasma T.V. The lower half of the screen will randomly go black.With a whack to the left middle of the unit the situation is resolved.I also have a continued set of colored lines on ...