Here Are The Way to How to Disable Power Management in Window 7.
Simply click on the right side below option of "Power Icon" and open the "More Power Options" .
Now scroll down and you will see the "Additional Plans" you can select "High Performance" and then click on "Change Plan Setting" .
Now you can change any thing with "Never" and simply click on "Save Changes". Done ! ! !
So this is the simple and easy guide of how to disable or change the Power Management Plans. If you have any question related to this post, then simply comment below and also Subscribed my newsletters for getting some new tech stuffs directly into your email.