Are you following the advice from LondonWdd14289ownwr?
If you have it "ready" and 14.8 V at the USB voltage display (https://www.amazon.com/s?k=usb+adaptor+voltage+display&crid=1AV8J3DBX1J29&sprefix=usb+adaptor+voltage+display%2Caps%2C157&ref=nb_sb_noss), but it won't drive then it is advised...