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Uses Windows 7 Built-in Utility To Detect CPU Overheat Problem

The computer system becomes unstable (shutdown / crash) when the CPU or processor overheated seriously, be it running on the latest Windows 7 or Linux distribution.

Before that extreme case happens, the obvious empirical evidence of CPU overheat is system lag constantly – terrible system responsiveness even only fewer light-weight applications are running.
Besides CPU, overheat could also happen on motherboard, memory, graphic card / GPU.

To prove what you feel and suspect is correct, just get the figure to speak itself.

There are many 3rd-party freeware as well as in-house developed utility of respective motherboard / CPU manufacturer that can “precisely” reading temperature sensors, clock speed, voltage, etc.

In my case, I had tried Core Temp, Real Temp, Asus PC Probe and Intel Processor Identification Utility.

Now, I also try to use the utilities bundled with Windows 7 to “detect” (or to suspect with better degree of confidence) CPU overheat before using any other applications (especially non-portable application that require installation).

Uses WMIC and WinSat of Windows 7 to detect CPU overheat

Note: This tip has been tested on Ultimate and Business editions only.

1) Open an elevated Command Prompt window and run this WMIC command to check the CPU current clock speed and expected clock speed repeatedly at 1 second interval:
wmic cpu get CurrentClockSpeed,MaxClockSpeed /every:1

2) Open another Command Prompt window and run this WinSat utility to trigger the CPU processing power:
winsat cpuformal

3) Now, switch back to Command Prompt window where the WMIC output updated every seconds – if the CurrentClockSpeed is constantly lower than MaxClockSpeed, that is very likely you have encountered CPU overheat problem and I would say it is worth to install yet another program (be it a shareware or freeware) to further confirm the case.

If you’re adventurous and like to really dirty hands, you may try cleaning dust attach to the heatsink and fan, verify condition of fan and heatsink, etc. Otherwise, send it to repair shop or claim service warranty.

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