Can remove if not helpful, several people on my board found this helpful. For Vista:</span> Vista has set a performance cap on your processor Do this: -Right Click On Desktop, Select 'Personalise' -Click on Screen Saver -At the bottom. Click 'Change Power Settings' -Select 'High Performance' (If you have, leave it as that) -Click 'Change Plan Settings' -Under 'Put the computer to sleep' Click 'Change Advanced Power Settings' -Scroll through the list until you find 'Processor Power Management' -Expand it -Expand both the of the options -Change both the values to 100% by Mitchell. <span style="color:Navy">3 people contributed to this, anyone else is welcome to add to it.