How to Find the Speed of Your Computer's CPU

By Techwalla Contributor

The Central Processing Unit (CPU) is the main chip on your computer's motherboard that carries out the instructions of a computer program. You could determine the speed of your computer's CPU in just a few steps.

Step 1

Navigate to the "Start" menu. Right-click "Computer" and select "Properties" from the pop-up menu. The System Properties dialog appears. Under "Computer, the name and speed of the CPU appears in gigahertz.

Step 2

Alternatively, navigate to the "Start" menu and select "Run." The Run dialog appears. Type "msinfo32" (without quotes) in the Run field and click "OK." The System Information window appears. Select "System Summary" from the left pane. Under "Processor" appears the name and processor speed in megahertz.

Step 3

Alternatively, navigate to the "Start" menu and select "Run." The Run dialog appears. Type "dxdiag" (no quotes) in the Run field and click "OK." Under "Processor" appears the name and processor speed in megahertz.

Step 4

To check the CPU speed with no operating system installed, press the appropriate key to open the system BIOS while your computer is booting. Depending on the manufacturer, the key is usually "F2" or "Esc." The BIOS information window will display your CPU details.

Tips & Warnings

  • Try step one for any OS, it may work.
  • If your computer wont allow you to view the Properties, you may not have permission from the administrator. If you're the administrator or there is no administrator, you should download a virus detector because some viruses will block these permissions.