If your disposal hums but won't spin, something is wedged in it. You can free it from underneath in minutes.
Difficulty: Easy. Plan on 10 min.
Safety: Never put your hand inside a disposal, even with the power off.
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Never put your hand inside a disposal, even with the power off.
Turn the disposal off and unplug it under the sink, or switch off its breaker.
Insert the disposal wrench into the hex socket on the bottom and work it back and forth until it spins freely.
Remove anything stuck inside with tongs or pliers.
Press the red reset button on the bottom.
Restore power, run cold water and test.
Nice work. Ready for the next step up? The Fix Ladder guide for this problem covers what to do if it comes back or goes further.