COMPUTER NOT SHOWING CD OR DVD DRIVE .

There are various reasons why a CD or DVD drive is not detected.

First check whether there is  Yellow exclamation point on CD/DVD in Device Manager. If yes ,Go to the device manager. Uninstall driver and then check for hardware changes. This will again install the CD/DVD driver software .If the problem still exists then open registry editor.

1. Go to run. Type regedit (Press the Windows logo key + R to open the Run dialog box.)    
2.        In the navigation pane, locate and then click the following registry subkey:
   HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4D36E965-E325-11CE-BFC1-08002BE10318}
3.      This folder is the DVD/CD-ROM Drive Class Description in the registry. Look for any of the following names in the right hand column.

   UpperFilters

   LowerFilters

   UpperFilters.bak

   LowerFilters.bak   
4. If any of the above keys shown in step 4 are listed, right-click on them and choose Delete.
5. Exit Registry Editor.
6. Restart the computer

DVD drive shown

Hope this worked for you.

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This article/tutorial is written by Pradeep Kafle, ICTV Bhadrapur Municipality. For feedback, please comment on the article below.

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About Author (Pradeep Kafle)

This portal "ICT for Local Bodies" is written by various individuals - ICT Experts and ICT Volunteers working under MoFALD/LGCDP with an aim of integrating ICT at Local Governance. The author is this post is mentioned at the end of the article itself (with their Google+ profile alongside). Learn more about ICT4LB KMDB here.