Ice maker making no ice

I first replaced in-line water filter to the fridge. No ice. Then I replaced the water filter inside the fridge. Still no ice. I inspected the water inlet feeding the ice cube trays and it was froze up with ice. I removed the two screws holding the ice maker in place to remove the ice from the inlet tray. I then used a hair dryer to melt the ice accumulated in the in-coming water tube. Turned off the water and unplugged the fridge. When replacing the old water valve, I first blew through the hose feeding the ice maker to be sure that it was clear of ice. After re-attaching the water hoses and the electrical connections, I turned on the water, plugged in the fridge and turned the ice maker switch back on. Next morning I had ice cubes. Only mystery is I am not hearing the usual water noise when water is feeding the cube tray like I did before, - not to worry though if it works. My drawer is now full of cubes.