wireless doesn't work after update

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http://askubuntu.com – i've installed ubuntu 12.04 on a new compaq cq58 laptop. after installing ubuntu wifi dind't work, but following instructions on the forum i could install the drivers and make it work....now after updating wireless stopped working...i don't know what to do now... ~$ sudo rfkill list all 0: hp-wifi: Wireless LAN Soft blocked: no Hard blocked: no 1: hp-bluetooth: Bluetooth Soft blocked: no Hard blocked: no ~$ lspci -nn | grep 0280 04:00.0 Network controller [0280]: Ralink corp. Device [1814:3290] (HowTos)