Wake up via wifi
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Wake up via wifi
09-04-2018 3:04 PM
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Hi
Some background:
I have just received an Amazon Echo as a present, and wanted to use it to play music, but I don't want to pay a tenner a month to Amazon or Spotify, so I found a "skill" that allows me to use my desktop as a music server. Leading on from that, I want to be able to wake my desktop from sleep modefrom my phone or laptop.
Good old Google has lots of suggestions (mostly very similar, as you'd expect), and I have followed the instructions (I think), butI still can't connect.
The most recent software that I've used, does ping the desktop, and can say if it's on or off, but I can't instruct it to turn on or off.
The bios allows wake on lan, Magic Packets are enabled and so on. I've set the firewall to allow RPC commands from my private network.
What am I missing?
John
Re: Wake up via wifi
09-04-2018 3:20 PM
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Re: Wake up via wifi
09-04-2018 3:31 PM
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Hi
Thanks for the response. Mine looks quite different, and from the sites I've looked at, is the norm. Under "Power Management" there are three options. The only other setting, as far as I know, is under Advanced, and that is the "Wake on Magic Packet" one.
Re: Wake up via wifi
09-04-2018 8:53 PM
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If your desktop is sleeping/hibernating, it will be in a very low power usage state - so wifi will be switched off.
In fact, you've explicitly ticked the "turn wifi off" box.
Now if your desktop had proper ethernet cabling it would work - provided you could instruct the router (or other device) to send the appropriate magic packet.
Perhaps a Raspberry Pi (or similar) could do this for you?
"In The Beginning Was The Word, And The Word Was Aardvark."
Re: Wake up via wifi
09-04-2018 10:02 PM
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Fair point, but in order to tick the second two boxes in that setting, you have to tick the top one. In other words, in order to tick the box that allows the network card to wake the computer, you have to first tick the box that allows the computer to turn off the network card.
A number of Google searches came up with a similar answer; unfortunately they don't seem to work in my case 🙂 so what am I missing.
John
Re: Wake up via wifi
09-04-2018 10:11 PM - edited 09-04-2018 10:13 PM
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You can't use a wifi connection to send wake-up packets, because it switches off when the PC sleeps.
A wired ethernet connection doesn't.
See https://en.wikipedia.org/wiki/Wake-on-LAN
"In The Beginning Was The Word, And The Word Was Aardvark."
Re: Wake up via wifi
10-04-2018 10:33 AM
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I've had to do this and untick this a few times for machines at work where they're static machines but kept on wifi. Like people have mentioned above just make sure the power settings are set accordingly so the device doesn't have any power saving options on the wireless.
But once this was done it's worked for us on the few machines we needed it for.
Re: Wake up via wifi
11-04-2018 12:12 PM
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Thanks both.
I've Googled this, and there are conflicting messages. Some say that it is possible to wake over wireless LAN, and some say it isn't. I can understand that, if the computer is off (no power), then it can't receive a signal, but in sleep or hibernation mode, power is kept to maintain some function, so, in theory keeping power to the wifi adapter should enable it to receive a signal and respond to a wake up nudge.
If I manage to find a solution, I'll come back.
John
Re: Wake up via wifi
11-04-2018 12:33 PM
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Only thing I can think of now is to ensure the chipset & network adapter drivers are up to date.
Re: Wake up via wifi
11-04-2018 1:31 PM
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I think it's the difference between wake on LAN (WoL) and wake on wireless LAN (WoWLAN). I think WoWLAN is now possible, but my desktop is 5 years old (I know antique 🙂 ), so it may not work for me. I have tried to update the wifi adapter drivers, and it says that I have the most up to date drivers installed.
Re: Wake up via wifi
11-04-2018 2:53 PM
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Re: Wake up via wifi
12-04-2018 12:13 AM - edited 12-04-2018 12:15 AM
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There are about 4 levels of sleeping to save power; one of the first to go is wifi.
"In The Beginning Was The Word, And The Word Was Aardvark."
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