Note:  Before you start please make sure the power supply is connect to your computer.   


 1. Go to Control Panels and select Device Manager.



2.  Expand Network Adapters and double click on each network connection to go to Properties.  Got to Power Management tab,  make sure UNTICK  Allow the computer to turn off this device to save power.   Then click OK button to save the changes. And close Device Manager.

 

 
3. Go to Control Panels and select Power Options. 



4. Click on Change plan settings link to the current power plan.




5.  Click Change advanced power settings link .



6. Expand Hard disk -> Turn Off hard disk after .   Set the Setting (Minutes) to 0.


7. Expand Wireless Adapter Settings -> Power Saving Mode.  Set the Setting to Maximum Performance. 



8.  Expand USB settings ->  USB selective suspend setting.  Set the Settings to Disabled.




9. Click Apply. Then close all the screens.