Arduino Nano avrdude: stk500_getsync() attemp 10 of 10: not in sync: resp=0x00

Hi everyone

I just started working with an arduino nano for some university work. I was able to get part of my project working when suddenly I started getting this error. I didn't change anything major, just an integer in my project. I was gentle with the arduino. I have tried it with other code and now nothing works. I am using ATmega328P (Old Bootloader) as the other one didn't work. I tried on a different computer and I got the same error.

If someone could help me get this back up and running it would be greatly appreciated.

EDIT: I am using a Nano 328 V3.0

Anything connected to pins 0 and 1? They are also used for the serial communication with the PC? If you changed an int, it might be the pin number, we don't know :wink:

And what is all connected to your Nano? If anything, how is it powered?

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