For details of power supply, see "About the Power Supply" in "Turning the Machine On or Off".
When the machine is turned on, the power switch LED lamp is lit.
When the machine is turned on for the first time after the wireless LAN board is attached, the wireless setting screen is displayed.
If you select [Yes], the wireless LAN setting is performed.
If you select [Do not show next time.], the wireless setting is not performed. The wireless setting screen is not displayed any more.
If you select [No], the wireless LAN setting is not performed. The wireless setting screen is displayed every time you turn the machine on.