Strange problems with arduino nano

Development Tools IDE 1.x
1

I bought a new arduino nano V3 clone. Till now, I have been facing very strange problems with it:

  • The pre-uploaded blinking sketch works for a few seconds (like 5 sec and only works when powered after a break) and then it starts to glitch
  • The L led stays on after that
  • Reset button does nothing (No led blinks or anything)
  • Can't upload any sketch
  • Programmer is not responding
  • RX led blinks during uploading (3 times only)

Here is what I tried to solve:

  • Loopback test > Successful
  • Changed ports
  • Changed proccessor
  • Tried uploading with parallel programming
  • Sketch worked with another arduino nano clone
  • Manual reset
  • Tried with Old bootloader
  • Tried uploading sketch with older version of Arduino IDE.

What is wrong with my arduino?

Note: I was uploading the blink (Example) code, tried with others too...

2

did you solder the headers?

3

yep

4

When soldering the pin headers, I used too much flux. So this caused contact between the GND and RST on the ICSP causing the arduino to stay in the reset position. I removed the ICSP pin headers and there was a lot of flux. I removed it and now my arduino is working perfectly.

5

Thanks for taking the time to post an update with your solution Nouman! I'm glad to hear it's working now.