i had a Arduino Uno it got ruined so i went and got an otherone. but this one doesn't upload sketches!!!!!. i did everything again install the drivers and all. before the arduino was on comn3 now its on com4 i know that shoudlnt make a diff. i have tried pressing the reset button restarting the program and reconnecting the board...nothing works. the program recognizes the port (com4) and the right board (uno) is selected...what am i doing wrong.. didnt have this problem beofore!!:(..pls help
error msg:
avrdude: stk500_getsync(): not in sync: resp=0x00
avrdude: stk500_disable(): protocol error, expect=0x14,resp=0x51
cheers
SN