1. Please be sure it is installed in a well-lit location where the solar panel can get maximum sunlight during the day, and keep it Full Charged the device with 6-8H at first time use. If there is no good sunlight or in winter sunlight, especial in North countries, it may take longer time to fully change the device, and this is very normal for solar products. 2. Please confirm the switch is under "on" status so that the light could be charged normally and auto lights on at night. 3. The spotlight won't light up in bright place. To turn on the light in the daytime, please fully cover the solar panel and make sure there is no light source or sunshine detected.