title: devcon.exe - disable net device failed
body: <p>Windows 7 
  devcon can't disable and enable the nic, could you please help me?</p>
  
  <pre><code>C:\Users&gt;devcon status =net @PCI\*
  PCI\VEN_10EC&amp;DEV_8168&amp;SUBSYS_368217AA&amp;REV_07\07000000684CE00000
  Name: Realtek PCIe GBE Family Controller
  Driver is running.
  PCI\VEN_168C&amp;DEV_0032&amp;SUBSYS_311817AA&amp;REV_01\4&amp;1B96513B&amp;0&amp;0015
  Name: Qualcomm Atheros AR9485 Wireless Network Adapter
  Driver is running.
  2 matching device(s) found.
  
  C:\Users&gt;devcon disable PCI\VEN_10EC
  PCI\VEN_10EC&amp;DEV_5229&amp;SUBSYS_522910EC&amp;REV_01\00000001004CE00000: Disable failed
  PCI\VEN_10EC&amp;DEV_8168&amp;SUBSYS_368217AA&amp;REV_07\07000000684CE00000: Disable failed
  No devices disabled.
  </code></pre>