Note:Just i am giving you information how to disable SuperFetch. Disabling SuperFetch may or may not increase system performance.
Steps to Disable to Superftech in Windows
1)Go to start Menu and type services.msc in search box available and press enter.
2)Now it would open Services window.Scroll down and find out “Superfetch”.
3)Double click on Superfetch now it would open new window.
4)Under General tab.Go to Start up and select Disabled from the drop down menu.
5)Click on apply button.
Now You have disable SuperFetch in windows 7 successfully.