If your garbage disposal just won’t turn at all, then it’s very likely that the disposal has lost power. Your unit may have blown a circuit, or it could be unplugged. First, check the plug for your garbage disposal to ensure that it’s secure. Next, locate the reset button on the underside of the unit, and push it. If neither of these things fixes the problem, look inside your electrical panel for signs of a tripped circuit.

Garbage Disposal Repair or Replacement

Because it’s out of sight, it can be easy for some homeowners to forget they even have a garbage disposal — especially if it was installed by a  previous owner. However, an unused unit can rust and seize up, which can lead to leaks and mechanical problems. Make a habit of running your disposal for a minute or so every couple of weeks, even if you don’t actually grind anything.
As it's a direct replacement, I didn't even bother to go through the hassle or removing the old sink flange and having to putty in a new one as the existing one was just fine. It took me about 5 minutes to replace old with new - that's why I didn't bother with a different make. I'm an average Joe who does a few things around the house - mostly accompanied by a lot of cussing - so anything that makes such work quick and simple results in less swearing - which is a good thing right?!
Whether you repaired or replaced the leaking garbage disposal, test for any missed problem spots. Wipe the unit dry with a clean cloth, then unplug the sink drain (if plugged) and pour a few cups of dyed water into the drain once more. Use a flashlight to inspect the entire unit. If you don’t observe a leak, turn on the power to the disposal from your breaker box and plug in the disposal at the wall outlet.
Manufactured in the United States, Waste King garbage disposals have won much praise for their energy efficient design. Waste King offers a wide range of garbage disposers for both residential and commercial settings. In the early 2000s, Waste King refocused their sights on providing unparalleled customer service and quality products, and their warranties are the current industry standard that others are measured by.

You should first find out whether only the disposal is broken, or if the power has gone out completely in the areas near your kitchen sink. Try resetting the circuit breaker that leads to the kitchen, or replacing a fuse if you have an older electrical box. If the garbage disposal makes no noises at all when you flip the switch, you might also want to check under the sink to see that it’s plugged in.

Garbage Disposal Install