1. Ensure there are no breaks or damage to the cord.
2. Check that the cable is fully plugged in on both the power side and the product side. Ensure there is power to the outlet where the unit plugged in.
3. Ensure that the cable head is facing the correct direction when plugged into the product.
4. When plugged in and charging, a green light will flash near the charging port; once the unit is charged, the light will stay steady green.