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Windows 7: WoL needs to unplug/replug the power to work!

25 Jan 2017   #11

Windows 7 Pro x64

I suspect a PSU problem even if when the computer runs, it provides enough power. Maybe when switched off the PSU can no more supply the real 5v necessary for the LAN card circuitry to listen for magic packets ?!
Also maybe there is some static electricity on the cable preventing the right voltage going to the chassis (this is an external brick PSU like those for laptops). By unplugging it I may discharge that static electricity without knowing si it works again after replugging ?!!

My System SpecsSystem Spec
25 Jan 2017   #12

Windows 10 Pro x64 x3, Ubuntu

Configuring power management using the user interface

To turn power management features on or off

  1. Open Network and Sharing Center (click the Start button, type Network and Sharing in the Start Search box, and press Enter).
  2. Click the Change adapter settings link in the upper left of the navigation pane.
  3. Right click the network connection you want to enable/disable power management support on and click Properties .
  4. Click Configure .
  5. On the Power Management tab, check or clear the Allow the computer to turn off this device to save power check box.
    • When checked, power management is enabled on the network adapter.
    • When cleared, power management is disabled on the network adapter.
  6. You can enable Wake on LAN for all wake methods or just enable magic packet WoL:
    • To enable Wake on LAN for all methods, check the Allow this device to wake the computer check box.
    • To enable Wake on LAN for magic packet only, check the Allow this device to wake the computer check box and then check Only allow a magic packet to wake the computer check box.
My System SpecsSystem Spec

 WoL needs to unplug/replug the power to work!

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