Power supply
You need to buy a power supply.
May need to install driver.
I had exact same problem.
Get it at Amazon:
Super Power Supply® AC / DC Adapter Charger Cord 5V 3A (3000mA) 5.5mm x 2.5mm / 2.1mm / 5.5x2.1mm / 2.5mm UL FCC Listed Certified Wall Barrel Plug
Sold by Super Power Supply
$12.00
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