Sketch upload error, beginner seeks help from professionals here

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Hi, I'm a beginner in Arduino, can you tell me what the error is?
What do I have to do to make a Led strip light up, strip has 30leds 3pins +/data/-

Please for your help,oooh i have a Arduino Nano

Der Sketch verwendet 3622 Bytes (11%) des Programmspeicherplatzes. Das Maximum sind 30720 Bytes.
Globale Variablen verwenden 187 Bytes (9%) des dynamischen Speichers, 1861 Bytes für lokale Variablen verbleiben. Das Maximum sind 2048 Bytes.
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 1 of 10: not in sync: resp=0x84
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 2 of 10: not in sync: resp=0x84
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 3 of 10: not in sync: resp=0x84
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 4 of 10: not in sync: resp=0x84
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 5 of 10: not in sync: resp=0x84
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 6 of 10: not in sync: resp=0x84
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 7 of 10: not in sync: resp=0x84
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 8 of 10: not in sync: resp=0x84
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 9 of 10: not in sync: resp=0x84
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 10 of 10: not in sync: resp=0x84
Fehlgeschlagenes Hochladen: Hochladefehler: exit status 1

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This is the typical novice issue with code upload.
This error message inform you that your PC can't connect to your Arduino board.

The reasons for this can be very different.
The most common are

  • wrong cable (do not use the mobile charger cables, you need i.e. "data cable" only)
  • wrong port,
  • missing arduino drivers

If you using the Nano from Ali-express or something like - try to activate "Old bootloader" option in the Arduino IDE

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