Toshiba Satellite A105-S4004 Notebook "rubber gone sticky" Questions

...gone bad but that doesn't seem to be the case. When the screen starts to act up, if I press my thumbs against the plastic near the bottom of the screen or just adjust the angle of the screen, it goes ...

rubber button back on to the board after you use a non-acidic compound to try to remove sticky juice off the board. Do not use water, do not use harsh cleaning chemicals and do not use goo be gone. My