Step 1: Goto start start search "system configuration" if you are using windows 7 so search "Ms config" Step 2: Open system configuration Step 3: click on boot Step4: Click on Advanced options... Step 5: click on check box in top left corner Step 6: Drop down the menu from top left corner Step 7: Click on the maximum number in the drop down menu Step 8: Click on OK Step 9: click on apply Step 10: click on OK Step 11: click on restart For more infor mation watch upper video