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Solutions: DVD-ROM Can’t be Recognized in Windows 7 System

by Edwin Liu | April 14, 2013 17:50 PM
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Many people will face a problem after upgrading their computer to Windows 7: DVD drive can’t be recognized by the system and an exclamation mark appears in Device Manager and says “Windows cannot verify the equipment data name”
One way to tackle this is to close the data name, and DVD-ROM will run normally. However this is not perfect. Follow the steps below, you will solve this problem completely.

Method One:

  1. Type “regedit” in the Start Search box, and then open the Registry Editor
  2. Extend the registry subkey: HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlClass{4D36E965-E325-11CE-BFC1-08002BE10318}
  3. In the right pane, right-click UpperFilters, and then click “Delete”.
  4. Click “Yes” to confirm the removal of the UpperFilters registry entry.
  5. In the right pane, right-click LowerFilters, and then click Delete.
  6. Click “Yes” to confirm the removal of the LowerFilters registry entry.
  7. Exit Registry Editor, and then reboot the computer.

Note: When you delete the UpperFilters and LowerFilters, you may lose some functions. If this situation does happen, you have to reinstall the affected programs.

 Method Two:

  1. Click Start -> All Programs -> Accessories
  2. Right click Command Promp -> User Account Control permission
  3. Paste the following command and click Enter button bcdedit/setloadoptionsDDISABLE_INTEGRITY_CHECKS.

 

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