issue with connectivity

Hey, I got my lg gd510 like a month ago and I had no trouble connecting to pc to get some songs and stuff off of it, but today for some reason, when I connect the phone to pc via usb and whatever I choose, either "Lg pc suite" or "mass storage", nothing will happen. Phone wont say "connected" like it used to. But my phone does start recharging(its like 90% full when trying to connect). Lg Pc suite doesnt recognize anything either. What do I do ?

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reinstalled lg pc suite and atm its working..