Garbage disposal repair: jammed, humming, leaking, or dead?

• Jammed

  It hummed, then stopped. Sink’s standing water.

• Humming

  It’s on, it’s buzzing, nothing’s grinding.

• Leaking

  Water under the sink, not in the bowl.

• Dead

  No hum, no grind, switch does nothing.

Sink full of standing water that will not leave? Start with garbage disposal clogged. Rotten odor with a unit that still runs? Start with garbage disposal smell. Rattling, grinding, or squealing? Start with garbage disposal noise. Breaker or GFCI keeps opening? Start with garbage disposal trips breaker. Full path: garbage disposal repair.