Unplug the bulb and remove it from the socket.

Open the bulb carefully if it has a removable cover.

Inspect connections: Look for loose wires, solder joints, or burnt spots on the PCB.

Secure loose wires: Resolder any disconnected wires or gently press loose connections back into place.

Test the bulb: Screw it back in and turn on the power. If it lights up, your repair is complete.

Tip: Sometimes simply cleaning the contacts with a soft cloth or eraser can restore the connection.

Method 2: Replace the Driver/Resistor
Tools Needed: