If the motor hums but the blades won't spin, something is physically blocking the internal "grind ring".
To keep the story from repeating, always run cold water while grinding and avoid putting "stringy" foods like celery or onion skins down the hatch! insinkerator disposal troubleshooting
Highly recommend for DIY-friendly fixes and long-term reliability. If the motor hums but the blades won't
If your disposal doesn't make any noise when you flip the switch, the issue is likely electrical—either the internal circuit breaker has tripped or the unit has lost power. YouTube·The Fixer 2 How to Fix a Stuck, Humming or Broken Garbage Disposal push it back in.
Reach under the sink and feel for the small red reset button on the bottom of the unit. If it’s popped out, push it back in.

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If the motor hums but the blades won't spin, something is physically blocking the internal "grind ring".
To keep the story from repeating, always run cold water while grinding and avoid putting "stringy" foods like celery or onion skins down the hatch!
Highly recommend for DIY-friendly fixes and long-term reliability.
If your disposal doesn't make any noise when you flip the switch, the issue is likely electrical—either the internal circuit breaker has tripped or the unit has lost power. YouTube·The Fixer 2 How to Fix a Stuck, Humming or Broken Garbage Disposal
Reach under the sink and feel for the small red reset button on the bottom of the unit. If it’s popped out, push it back in.