If your Arduino TX/RX LEDs are insanely blinking for couple of second after you've connected it to PC, and PC doesn't see the connected device, don't rush to throw the board.
You may accidentally make a connections between FT232RL pins (it's USB-UART converter on the back of the board), which may cause unpredictable behavior.
In order to fix that, follow these simple steps:
In order to fix that, follow these simple steps:
1. Find RL232RL chip on your Arduino
2. Connect Arduino to your computer
3. Find a GND pin on Arduino, and make a connection between GND and # RESET pin of the FT232RL (take a look at the pinout below). It will reset the chip.
4. Re-connect Arduino to PC. It should work. At least, it works for me.
