Your “WALKMAN” does not operate (does not respond to button operations).

The power is not on.

• Press and hold the (power) button. [Details]

Your “WALKMAN” contains condensation.

• Let your “WALKMAN” sit for a few hours.

The remaining battery power is low or depleted.

• Charge the battery by means such as connecting your “WALKMAN” to a running computer. [Details]

• If you charge the battery and nothing changes, press the RESET button to reset your “WALKMAN.” [Details]