How do I fix a ceiling light that flickers when the AC turns on?
Your ceiling light flickers when the AC kicks on because the air conditioner suddenly draws a huge load on the same circuit…
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Lighting & Bulbs
Practical, step-by-step fixes for lighting & bulbs problems — 38 published so far.
How do I fix a light fixture that buzzes or hums when the light is on?
A buzzing fixture usually means loose parts vibrating, a failing ballast in fluorescent lights, or an incompatible dimmer with LED bulbs. Tighten…
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How do I fix a light fixture that buzzes or hums when turned on?
A buzzing light fixture usually means loose parts vibrating (lens, diffuser, mounting screws), a failing ballast in fluorescent fixtures, or an incompatible…
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How do I fix a light switch that doesn't turn off the light completely?
A light switch that leaves the light on even when flipped off usually has a worn-out internal contact or is a dimmer…
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How do I fix an LED bulb that flickers when dimmed?
An LED bulb flickers on a dimmer because the dimmer is incompatible with LED loads or the bulb isn't dimmable. Replace the…
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How do I replace a stuck recessed light bulb in a high ceiling?
Turn off power at the breaker. Use a sturdy ladder or extension pole to reach the fixture. Wear gloves and grip the…
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How to fix a ceiling fan light that flickers when the fan is running
A ceiling fan light that flickers only when the fan motor runs usually has a loose wire connection in the fan's canopy…
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How to fix a light fixture that buzzes when turned on
A buzzing light fixture usually means a failing ballast (fluorescent), a cheap or overloaded LED driver, loose laminations in a magnetic transformer,…
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How to fix a light fixture that keeps burning out bulbs quickly?
Rapid bulb burnout usually means excessive voltage, vibration, poor socket contact, or overheating in the fixture. Check for loose connections, ensure bulbs…
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How to fix a light switch that doesn't fully turn off the light
A switch that leaves a faint glow or doesn't fully cut power usually has a worn contact, a loose wire, or a…
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How to fix a light switch that doesn't turn off the light?
To fix a light switch that won't turn off the light, first turn off the circuit breaker, then remove the switch plate…
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How to fix a light switch that won't turn off completely?
If your light switch won't turn the light off completely, it's usually a faulty switch, a wiring mistake, or a smart switch…
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