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      Solution to lost CD/DVD-Rom Drive of IdeaPad Z470 in Windows 7

      STATEMENT DESCRIPTION:

      In Windows 7, CD/DVD-Rom Drive sign of IdeaPad Z470 gets lost automatically in "Computer" window.

      AFFECTED CONFIGURATIONS:

      The above symptom may occur on the following software:

      IdeaPad Z470

      Running the following software:

      Lenovo Energy Management 6.0

      VALID REGIONS/COUNTRIES:

      Worldwide

      SOLUTION:

      (1) In "Device Manager", there is no recognizable "CD/DVD-Rom drives" and there is also no relevant "exclamation mark" or "question mark".

      (2) In this situation, open "Lenovo Energy Management", you will find that "Smart Optical Control" has been enabled. Uncheck "Smart Optical Control" checkbox.

      Note:

      Not all Lenovo Energy Manage have the "Smart Optical Control" option. Different version of Lenovo Energy Management may have different interface.

      Fig.1

      Fig.2

      (3)CD/DVD-Rom Drive sign appears and this problem is resolved.

      TRADEMARKS:

      Lenovo, Lenovo 3000, IdeaCentre and IdeaPad are trademarks of the Lenovo Corporation in the United States, other countries, or both.

      Microsoft and Windows are trademarks of Microsoft Corporation in the United States, other countries, or both.

      Other company, product, or service names may be trademarks or service marks of others.

      Document ID:

      IN20110815-001

      Last modified:

      2011-08-15

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      • Alias ID: 13146109987851
      • Document ID: HT070126
      • Last Updated :26 Mar 2014
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