Turn off the main water supply
Open the affected faucet
Open nearby faucets to relieve pressure
Apply gentle heat to the frozen pipe with a hair dryer
Move the heat source slowly along the pipe
Use an electric heating pad or warm towels if needed
Keep cabinet doors open to let warm air reach pipes
Warm the room temperature gradually
Check the pipe for leaks as it thaws
Shut off the water and call a plumber if the pipe is cracked or you cannot locate the frozen section