[System software update failed.] is displayed.

The update of the system software failed to be completed.

Follow the instructions displayed on your computer to retry updating the system software.

[Check the volume level] is displayed.

• An alarm (beep) and a warning [Check the volume level] are used to protect your ears when you turn the volume up to a level that is harmful to your ears for the first time. You can cancel the alarm and warning by pressing any button.

• You can turn up the volume after canceling the alarm and warning.
• After the initial warning, the alarm and warning repeat for every 20 cumulative hours that the volume is set to a level that is harmful for your ears. When this happens, the volume is turned down automatically.