Toshiba Portege M200 Tablet PC "wacom bamboo picking pen" Questions

...Wacom Bamboo Fun Tablet, now, only the eraser works. The tablet does not pick up the pen tip being there, but it does with the eraser. I can't buy another tablet! (I can't afford one) How can I fix ...

...Wacom Bamboo Tablet Pen: only the pen was dropped. Now the eraser works but the pen tip does not. Neither do the buttons. The tablet itself does not pick up the pen tip's presence, but it works ...