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      Performance may become slow when Expresscard slot is disabled in the BIOS


      The user may experience the system taking 20 minutes, or longer, to enter the desktop and the operating system becomes very slow.

      Affected configurations

      The above symptom is associated with, but not limited to, the following systems:

      • ThinkCentre M90z

      Applies To:

      • Microsoft Windows 7

      The system is configured with (When applicable):

      The symptom may occur with the following three conditions together:

      • System memory is more than 4GB (not including 4GB)
      • Operating system is Microsoft Windows 7 64bit
      • Expresscard slot is disabled in the BIOS setup

      Do not replace any hardware for this issue.

      Please click here to update the system BIOS to 9BKT38A, or a later version,


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      • Alias ID: SF12-D0050
      • Document ID: HT072707
      • Last Updated :17 Jun 2014
      • © 2016 Lenovo