To use the Help and Support Center to see CPU speed, use one of the following methods.

  • Method 1: View Detailed System Information
    1. Click Start, and then click Help and Support.
    2. Click What’s new in Windows XP, click Tools, click Advanced System Information, and then click View Detailed System Information.
  • Method 2: My Computer Information
    1. Click Start, and then click Help and Support.
    2. Click Use Tools to view your computer information and diagnose problems.
    3. In the Tools list, click My Computer Information, and then click Find information about the hardware installed on this computer.

Note Both of these methods use the System Information utility to retrieve CPU

  • To use the WBEMTEST test to determine the current speed and the maximum speed, follow these steps:
    1. Click Start, click Run, type wbemtest, and then click OK.
    2. Click Connect.
    3. In the namespace box at the top of the dialog box, type root\cimv2, and then click Connect.
    4. Click Enum Classes.
    5. Click Recursive, and then click OK. Do not enter a superclass name.
    6. Locate and then double-click Win32_Processor (CIM_Processor).
    7. Click Instances. The CPU instances on the computer are displayed. Double-click the CPUthat you want. For example, double-clickWin32_Processor.DeviceID=”CPUO”.
    8. In the Properties box, scroll down to see MaxClockSpeed andCurrentClockSpeed.
  • System Monitor
    If your computer supports ACPI processor performance states, such as Enhanced Intel SpeedStep technology or AMD PowerNow! technology, you can use the System Monitor part of the Windows Performance tool to determine current CPU speed.

    To use System Monitor to determine CPU speed, follow these steps:

    1. Click Start, click Run, type perfmon, and then click OK.
    2. Remove the default counters.
    3. Right-click the chart, and then click Add Counters.
    4. Click ProcessorPerformance in the Performance object box.Note If ProcessorPerformance is not listed in the Performance object box, follow these steps:
      1. In the Performance object box, click WMI Objects, click HiPerf Classes in the list of counters, and then click Add.
      2. Click Close, and then remove the HiPerfClasses counter.
      3. Right-click the chart, and then click Add Counters.
      4. Click ProcessorPerformance in the Performance object box.
    5. Click % of Maximum Frequency in the list of counters, and then click Add. Alternatively, you can click Processor Frequency in the list of counters, and then click Add.

Post By Gishore J Kallarackal (2,121 Posts)

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