Step 1, Make sure BIOS Setting->Chipset -> Common Function -> Wake On Lan is eanbled.
Step 2, Enter into Device Manager -> Network adapters->Realtek PCIe GBE family Controller->Click Right mouse then select Properties->Power Management-> check Allow this device to wake the computer->Click OK to save changes.
Step 3, Make sure the Mini PC and the Network boot device are in the same local network. Conenct a network cable to the same router with the network boot device.
The MiniPC will be wake up by the magic packet in the same local network when in sleep or shutdwon.