How to replace the downlight when it is broken?

Methods: 1. Common tools for downlight maintenance: electrical tape, a set of downlights of the same model, pliers and saws. 2. Turn off the power supply and slowly buckle the lamp, pay attention to the spring card of the lamp, press it with your fingers and take it off. 3. Replace the lamp holder, remove the connector and replace the lamp holder. 4. Replace the drive and turn off the main power again. 5. Wrap a drive power cord around a power cord and stick it with tape. 6, electricity experiment