Check the headphone plug for dirt, bent pins, or damage
Test the headphones on another device
Inspect the cable for cuts, frays, or loose sections
Wiggle the cable near the plug and earcups to find intermittent breaks
Clean the headphone jack and plug with a dry cloth or compressed air
Replace the audio cable if it is detachable and faulty
Open the earcup and check for loose wires
Resolder any disconnected wires
Replace damaged drivers if sound is distorted or missing
Check and replace the battery if the headphones are wireless
Reset or re-pair wireless headphones
Inspect and replace broken buttons, switches, or charging ports
Replace worn ear pads or headband parts
Test after each repair step
Use the manufacturer’s repair guide for model-specific parts and procedures