arduino not working at all

hi
I was making a line follower robot
as I tested it
it stoped working and all the leds on arduino (tx,rx,power,led13) turned on
after that when I plug in that arduino to my laptop
there is no port to choose
my question is
WHAT IS WRONG WITH THE ARDUINO
is it going to work again?
please help because it is for my friend and I dont know what to do :frowning:

How did you have it connected when it failed ? ( drawing)