Make sure that the power is on. If not, press the button.

If your Walkman contains moisture condensation, wait a few hours to let the Walkman dry out.

If the remaining battery power is low or insufficient, charge the battery.

If your Walkman still does not operate after charging the battery, press and hold the button for about 8 seconds or press the RESET button with a pen or paper clip, etc. to reset your Walkman.