I got my Elegoo UNO R3 about a month ago (so a refund is not an option) and used it for a while. It worked flawlessly. Today, when I plug it in it just doesn't get recognized by my pc (Windows 10 x64). I have tried literally everything: reinstall drivers, change the ATMega328p-U chip, clicking the Reset button, changing the cables but NOTHING worked for me!!! It won't be recognized by my computer!