You can see in the screenshot above that this setting's description mentions 'integrated LAN controllers,' which is exactly what we're looking for. In other cases, like on my MSI motherboard, it is part of the Resume By PCI-E Device setting. On some machines, it will be very clearly labeled in the sleep and wake settings. Once you enter the BIOS menu, you'll need to poke around for the Wake-on-LAN option. To do so, reboot your computer and press a key at the boot screen-usually Delete, F2, or some other function key (it'll usually say on screen). You will first need to enable Wake-on-LAN at the hardware level in your computer's BIOS. There are ways to make this work, but it's a bit outside the scope of this guide, so we'll point you in the right direction as best we can. Second, Wake-on-LAN is designed to wake up another computer on your network, so it won't be able to wake up computers on another network-say, if you're at Starbucks and want to wake up your desktop back home. You'll have to check your computer's documentation or BIOS to see if it supports Wake-on-Wireless-LAN (or Wake-on-WLAN). This means the device sending the magic packet can be on Wi-Fi, but the one receiving it will likely need to be plugged in via Ethernet for this to work. Pretty much any modern Ethernet adapter will support Wake-on-LAN, but wireless adapters rarely do. First, the network card of the computer being woken up needs to support the feature. Wake-on-LAN has a few caveats when it comes to support.

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