Windows – SpeedFan cannot find the fan

sony-vaiospeedfanwindows 7

My laptop (SONY VAIO VGN-CR390) is getting hot recently and the fan doesn't seem to work at high speed. I installed SpeedFan and it reads my CPU temperature @60C+ consistently. However, it cannot find my fan, the FANS list is empty, so there's no fan speed reading or control whatsoever. Any idea how I can check and control my fan speed?

Sorry, I forgot to mention, it runs Winwdows 7 32bit.

Best Answer

The problem is that brand-name systems tend to use proprietary hardware and specifications. Alfredo frequently updates SpeedFan to support as much hardware as is possible, but unfortunately, sometimes manufacturers just don’t provide him with the tech specs he needs.

You have a few options:

  • See if the latest beta version to see if it includes support for your laptop yet

  • Use the Get Config button in the Clock tab to see if someone else with the same laptop has shared their configuration. Alternately, you could try setting the monitoring chip and settings yourself, but be careful since it is possible to mess up the hardware

  • Add your laptop’s details to the existing bug-report in the bug tracker and monitor it for progress updates

  • Try adjusting the scanning/access methods using the command-line parameters options. Sometimes the default scan methods return incorrect results:

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