Laptop keeps waking up from sleep (Windows 7)

Solution 1:

Appears to be a related internet adapter problem, try to follow the steps below to try to resolve, if it can not resolve, update the device drivers.

  1. Open the Device Manager(press + R, type devmgmt.msc, hit Enter).

  2. Select your Network adapter.

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  3. Right-click over the device and select Properties.

  4. In the Power Management tab, you have to enable Allow the computer to turn off this device to save power and Windows will turn off the device when not in use so that power couldn’t be wasted.