Things You'll Need
30 watt microwave bulb
Knowing how to change the bulb in your microwave oven properly is essential to avoid ruining the unit and reducing the risk of electrical shock. These devices can be harmful even after they are unplugged, and they require the user to take extra caution when working on internal components.
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Unplug the power cord and ensure that the cord isn't touching the socket.
Wait approximately five minutes after you unplug the microwave before working on it.
Remove the vent cover by unscrewing it. Look inside the door, on the right side of the cooking area, to find it.
Unscrew the bulb and remove it. Screw in the new one, which can be found at any hardware store.
Reattach the vent cover.