How to Fix ‘DVD Drive Not Found’ in Windows 7

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One of the common error experienced in using Microsoft Windows 7 is that sometimes Windows7 is unable to detect a DVD ROM drive attached to your computer irrespective of the fact that the standard driver is properly installed and DVD drive is visible in the BIOS.

The repair for this issue is quite simple and you can do it by either of the following two methods.

  1. Run “regedit” and browse to the following registry key “HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class”. Delete both UpperFilters and LowerFilters in the right-hand pane whereas UpperFilters.bak and LowerFilters.bak entries can be ignored.
  2. If the above method fails, then try Resetting the drive letter.
  • Click Start
  • Type Disk Management and select “Create and format hard disk partitions” link
  • If your DVD rom drive is visible here, then right-click on it and select “Change Drive Letter and Paths”
  • Click Change and select a new letter.
  • Repeat this method to change drive letter back to original.
  • If the DVD drive is still not visible in Explorer, then reboot the system and it will appear surely.