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Windows 7: Wireless wake on lan?

12 Aug 2011   #1

Windows 7 Home Premium 64 bit
 
 
Wireless wake on lan?

My ASUS P8Z68-Vpro Windows 7(64) system will go to sleep manually (from the shutdown menu). I have power management set to turn off the monitor and go to sleep after one minute. After a minute the monitor turns off, but the computer fan keeps on going. (What used to happen is the computer would go to sleep, the fan would turn off, but then a second or two later the computer would wake up by itself. It's possible this has changed because I'm playing with various settings). In any event, I have never gotten it to go to sleep on its own and stay there. Even when I tell it to go to sleep manually on rare occasions it has also woken up unprovoked.

On the local area connection (Intel 82579) I've turned off all wake up things (Wake on lan, wake on link, etc.) I've allowed windows to sleep even when sharing multimedia. I've turned off wake on USB. The keyboard and mouse are now the only devices in the device manager that claim to have the ability to wake the computer up. I suspect the problem may be the D-Link DWA-556 wireless card (PCI slot), although it doesn't report that it has the ability to wake up the computer. But a few times when I have gotten the computer to go to sleep I was able to wake it up merely by screwing the antenna into the connector on the back ... even though the wireless connection had been disabled from the network and sharing control panel. Does this indicate that my wireless card is defective, or is there some setting on it that I don't know about.

Are there any other reasons the computer may not go to sleep or immediately wake up? (I have looked in the event viewer and haven't seen anything suspicious.) Does windows have a log somewhere that could tell me what is waking the computer up (or keeping it from sleeping.)

Thanks in advance for any suggestions.
~Paul

My System SpecsSystem Spec
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12 Aug 2011   #2

Windows Seven x64
 
 

From personal experience I have never heard of this type of problem (learn something new everyday) usually it is the other way around were the wireless drops connection, or can't re-connect when the computer resumes from sleep. The Wake-On-LAN is for the NIC card, not Wireless. I am curious to see what could be causing this problem Event Viewer does logged those events and you can see what caused the computer to wake up.

Click Start Type Event Viewer in the search bar Select Event Viewer from the programs list Once opened select Windows Logs Then select the sub-category System Sort by Date or Source and look for Power-Troubleshooter in the source column. In the general details it should tell you what woke up the computer.

Wireless wake on lan?-eventview.png
From this log the computer woke up from a USB Wireless Keyboard.

Brink also published a tutorial on this as well
Wake Source - Read Event Viewer Log

Hope this Helps,
Ryan


My System SpecsSystem Spec
13 Aug 2011   #3

Windows 7 Home Premium x64 OEM --> RTM clean install
 
 

This was happening to me for a while - annoying isn't it? I tinkered with the wake on lan settings and it did nothing. As a last ditch effort I updated the lan driver and it solved it.

Good luck
My System SpecsSystem Spec
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14 Aug 2011   #4

Windows 7 Home Premium 64 bit
 
 

allend66 - thanks, although it didn't turn out to be my lan driver as it was in your case ... but never the less it did turn out that updating my audio driver fixed the problem.

Thanks Ryan, although in this case I found the event viewer didn't add any insight into the problem.
However I eventually found a different tool that turned out to be essential. I just needed to type "powercfg -requests" at the command prompt. This command will list the devices that are keeping windows awake. In my case it was giving me the name of my audio driver. I thought it was up to date, but it turned out that there was a newer realtek audio driver. Once I downloaded and installed this file, all my issues wtih Sleep mode went away.

~Paul
My System SpecsSystem Spec
14 Aug 2011   #5

Windows 7 Home Premium x64 OEM --> RTM clean install
 
 

Quote   Quote: Originally Posted by pmennen View Post
allend66 - thanks, although it didn't turn out to be my lan driver as it was in your case ... but never the less it did turn out that updating my audio driver fixed the problem.

...

~Paul
Of course <smacks own forehead>.. obvious!
My System SpecsSystem Spec
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 Wireless wake on lan?




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