Help! Wacom tablet stops working.

[sk2evo]

Hi all,

I was able to use my wacom tablet fine so far till few days ago. It just stopped working and only the eraser end is detected now.
Any help is appreciated!

Note:
- driver is updated
- tried with Intuos 2 and 4

Tech specs.:
- Sony VAIO VGN-FW139E
- OS Windows Vista Home Premium 32bit
- Core 2 Duo P8400 2.26GHz 3GB RAM