I just started to get the error of avrdude: stk500_getsync(): not in sync: resp=0x00 I'm not sure what that means or how i should proceed to fix it.

uploading code on arduino uno

system March 10, 2013, 5:53pm 15

I m not getting the letters typed in the terminal. But i just see the Rx Led on when the key is pressed. So what should i do next?
Thanks a lot

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