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]