If the disposal makes no sound at all when you flip the switch, the internal circuit breaker has likely tripped to prevent the motor from overheating.
Here’s a step-by-step troubleshooting guide for an (humming, silent, or just dead). garbage disposal not working insinkerator
Check for "sludge" (usually a mix of grease and food particles). Clean the pipe manually or use a sink plunger. If the disposal makes no sound at all
InSinkErator units come with a silver, S-shaped hex key (an Allen wrench). try running the disposal again.
If the button is popped out, push it back in. If it stays in, try running the disposal again.