To get into the BIOS, either consult the manual or manufacturers website, or … carefully watch the messages on your monitor when booting your computer. Some common ways you might see this BIOS access message ( source): Since there are so many different BIOS variants around, a few screenshots that I have found online can be seen below. Note that some Operating Systems, may not require you to set this in modern (UEFI) “BIOS”‘es. This does NOT apply to Mac’s, and most NAS devices For others you’ll need to tinker with the driver settings as well. Some systems, typically Windows or Linux based, require you to do some BIOS settings to enable Wake On Lan on a BIOS level.įor some of these systems, this would be enough. It goes a little beyond this article to describe how to get your computer to go into standby based on your criteria, but most often these settings are found under the power management settings of your operating system.Įnabling Wake on Lan on your server, computer, NAS or other device, very much depends on the capabilities of that device. Other systems require 3rd party applications or hackery to get the server to fall a sleep again. Power Management is on some systems very well implemented, which makes it easy to enable “falling a sleep”. Unless you’re happy with pressing the “go to standby” button on your device of course. Not only do you need Wake On Lan to be enabled, often a setting found under Power Management, but you’ll also like to make sure your device automatically goes to sleep (standby) again after a number of minutes of inactivity. Just enable it in one spot. Others (Windows and Linux for example) can make it a little bit more of a challenge, sometimes you will need to set the option in the BIOS/UEFI, sometimes in the drivers, or sometimes both. Some Operating Systems (mostly NAS devices, and MacOS X devices) make it easy for the user. You can already guess that there is no simple “one-fits-all” description on how to do this. Obviously, this also means that you device (computer) needs to support going to standby, and have BIOS and/or driver support to handle a “power on” signal when the network card sees a correct Magic Packet. So be aware and not surprised to run out of juice before you can use your laptop for example. Since Wifi is often used in mobile devices, then this would mean that your battery keeps being drained, for those devices that support Wake On Lan over WiFi. The network card needs to be powered by your computer, even when the computer is in standby, and should be able to monitor network traffic on a defined port, so it can catch an incoming Magic Packet and see if it’s intended for this computer (MAC address). To enable Wake on Lan, your network card (or WiFi card) needs to be Wake On Lan compatible – and not all of them are (especially very cheap or “older” network cards).
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