Wake on Magic Packet causes the network card to awaken the computer when it receives a magic packet. How-To Geek Explains: What is Wake-on-LAN and How Do I Enable It? For further information, you can read this How-To Geek article: Kudos to you for doing some prior research as well. It is very useful for remote control situations, however, you may disable these features without any negative consequences. While in standby mode, it may receive a magic packet, a small amount of data specific to the MAC address of the network card, and will respond to this by turning on the system. In a nutshell, leaving this setting on allows the network card of your system to receive sufficient power to remain in standby mode while the rest of the system is powered off. These two settings form a feature of most modern computers known as Wake on LAN. SuperUser contributors Sam3000 and Ben N have the answer for us. What are magic packets for waking computers? The Answer Can I disable these two settings without negative consequences? I have disabled Allow this device to wake the computer on the Power Management tab, but these settings appear to be separate. I would prefer that my laptop not be woken up remotely under any circumstances. This rather cryptic description is a bit low on details.
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