- 1). Plug the device that's having problems into a different outlet, in a different part of the house, to confirm that the problem is with the device. If the device works when plugged into another outlet, check that your circuit breakers are all in the "on" position and that there's not a problem with a particular wall outlet.
- 2). Replace the lightbulb if the device is a lamp.
- 3). Inspect the plug itself, and the length of the device's cord for cuts and nicks, and for any exposed wire. Check for loose connections as well--both where the cord plugs into the wall outlet and where the cord attaches to the device. Repair or replace the cord as necessary.
- 4). Look carefully at the plug itself. All prongs should be straight and should fit snugly into the outlet. If the plastic casing of the plug is melted or scorched, this indicates a short-circuit inside the plug, and the plug should be replaced.
- 5). If possible, open up the plug using a screwdriver. Some plugs have a small plastic piece either in between the prongs or on the side of the plug opposite the prongs that can be removed. Verify that the wires inside are securely screwed down to the respective post for each prong. The exposed ends of each wire should not touch each other. If they do, redo the connections and wrap the wires in electrical tape before reassembling the plug.
- 6). If checking the plug does not fix the problem, swap the cord with another one, if you can easily unplug the cord from the back of the device. For example, many computers, televisions and other electronics use cords with a female plug that attaches to the back of the device; these cords are interchangeable. If this fixes the problem, then the cord (not the plug) is broken and should be replaced.
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