subject: CPU Speed: An Introduction! [print this page] If your system has a low CPU speed, it is possible to enhance the speed. However, it is vital not to enhance CPU speed to a very high extent as this can completely overload the system and heat it up to such an extent that the system may break down altogether. If you are running Windows 7 or Vista, you can check CPU speed by clicking Start' and then entering msinfo32 in the search box. In case, you have the Windows XP operating system, you can check CU speed by clicking Start and then selecting Run, after which you should enter msinfo32.