Things You'll Need
Replacement halogen bulb
How many people does it take to replace a halogen light bulb? No, it's not a bad variation of a tired joke. Halogen light bulbs are a type of incandescent lamp designed for longer-lasting life. They are commonly found in products such as prelit fiber optic Christmas trees. Although these bulbs have a longer lifespan, you may need to replace one in a prelit fiber optic Christmas tree for at some point. Fortunately, replacing a halogen light bulb in a prelit fiber optic Christmas tree is relatively simple--and no crowd of jokers is needed.
Turn off the power source for the prelit fiber optic Christmas tree, which might consist of ensuring the battery switch is turned to off if you have a battery-powered one or unplugging the power cord from the electrical outlet if you have an electrical one. Allow the halogen bulb to cool for at least 10 minutes so you don't burning your fingers.
Place the fiber optic Christmas tree on its side so you can access the case on the bottom of the tree stand where the halogen bulb is housed.
Remove the screws holding the case cover in place, and then set the screws and the cover aside.
Unscrew the halogen bulb by twisting it counterclockwise until it is free from the light socket.
Screw the replacement halogen bulb into the light socket, twisting the bulb clockwise until it is secure in the socket.
Replace the case cover and secure it with the screws.
Turn the Christmas tree upright, reconnect its power cord (if necessary) and then turn on the tree's power to ensure the new halogen bulb is working.
Grip the old halogen bulb with a cloth to prevent it from slipping from your grasp and to ensure you don't get burned by a still-warm bulb.
Do not attempt to remove the halogen bulb before it has cooled because you could burn yourself.