Dell Vostro 131 touchpad issue

Hi. I have trouble with touchpad in Dell Vostro 131 (installed ubuntu 11.04). Before restart OS a touchpad is enabled and led-indicator is off, after restart it's already disabled but led-indicator is still off. If I enable the touchpad using by Fn-key it works and led is on. 

Is it incorrect driver for touchpad? Help, please!

P.S. System is up to date.