For a quicky, you could look in the device manager - Look under the Network adapters tab - right click each connection and in the properties, open the "Power Management" tab make sure the two bottom items in my picture are OFF (Unticked)
For a quicky, you could look in the device manager - Look under the Network adapters tab - right click each connection and in the properties, open the "Power Management" tab make sure the two bottom items in my picture are OFF (Unticked)