Increase the processor power of your computer using Registry settings

Follow the given steps to end the idle tasks:

To enable this feature, you will need to be logged into your computer with administrative rights.

Click Start button and click on Run option.

In the Run box, type the command Rundll32.exe advapi32.dll,ProcessIdleTasks command and press Ok button.

Here system will take some time to end the background idle tasks

[via pakrank]