'Blink problem

hey,


i´ve got problem blink sketch whats wrong?

code: [select]

/*
  blink
  turns on led on 1 second, off 1 second, repeatedly.

  arduinos have on-board led can control. on uno and
  leonardo, attached digital pin 13. if you're unsure what
  pin on-board led connected on arduino model, check
  documentation @ http://www.arduino.cc

  example code in public domain.

  modified 8 may 2014
  scott fitzgerald
 */


// setup function runs once when press reset or power board
void setup() {
  // initialize digital pin 13 output.
  pinmode(13, output);
}

// loop function runs on , on again forever
void loop() {
  digitalwrite(13, high);   // turn led on (high voltage level)
  delay(1000);              // wait second
  digitalwrite(13, low);    // turn led off making voltage low
  delay(1000);              // wait second
}

quote

problem beim hochladen auf das board. hilfestellung dazu unter http://www.arduino.cc/en/guide/troubleshooting#upload.

have tried troubleshooting according troubleshooting guide?  if so, results? 

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