arduino nano v3 error: avrdude: stk500_getsync(): not in sync: resp=0x00

hi there

yesterday only i received the arduino nano v3 from ebay

when i connect it to pc via usb red led start to blinks really fast and when i try upload any sketch it comes up with
this error: avrdude: stk500_getsync(): not in sync: resp=0x00

please some one can help me to fix this error =(

thanks