I have purchased Arduino Unos from several sellers on eBay, and fortunately for me the included USB cables have all been data-capable.
The single biggest reason for this type of failure is not installing the CH340 driver.
I have purchased Arduino Unos from several sellers on eBay, and fortunately for me the included USB cables have all been data-capable.
The single biggest reason for this type of failure is not installing the CH340 driver.