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      Noisy fan for Thinkpad X220 / X220 Tablet

      Symptom

      Customer complaints of noisy fan.

       

      Affected configurations

      Any of the following ThinkPad systems:

      • X220, X220 Tablet

       

      Solution

      Before replacing hardware for a noisy fan complaint, you must ensure that the machine is using BIOS 1.16 and EC 1.07 or newer. In BIOS 1.16 we changed thermal setting to reduce an annoying fan noise. This fix will be included in newer BIOS/EC releases as well.

      Click here to check for BIOS/EC updates.

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      • Alias ID:
      • Document ID: HT050867
      • Last Updated :17 Jun 2014
      • © 2016 Lenovo