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zeeshanjan

3 Posts

35297

September 8th, 2012 21:00

CD/DVD Rom does not show in MyComputer & Device Manager

Hi,

 

   I have recently purchased my new DELL VOSTRO (Windows 7 32bit) laptop. Its still under warrenty.

 

  Yesterday When I inserted a CD/DVD inside the DVD ROM , I noticed that it did not run the DVD. Also the DVD ROM does not display in MY COMPUTER. Even it is not visible in the Device Manager.

  Following are the additional points:

  1) I am able to view the DVD ROM in the BIOS when I run my laptop with F2 key.

  2) I have looked into the registry but vould not find any UpperFilter/Lower FIlter registry keys.

  3) I have also updated the BIOS with latest version.

 

  When I insert a DVD , I can see that that DVD light glows but the DVD is not recognised. I had installed DEAMON Tools on my laptop , would that cause any issue. because I have the same software installed on my other two machines and they are display DVD Roms.

 

 Please assist....

 

Zeeshan JAn

 

 

Dell-Rajesh R

4 Operator

 • 

3.3K Posts

September 8th, 2012 22:00

Hi Zeeshan JAn, 

I am assuming that you have followed the below mentioned steps to delete the upper and lower filters: 

  1. Click Star, and then click All Programs.Click Accessories, and then click Run.
  2. Type regedit, and then click OK. If you are prompted for an administrator password or for a confirmation, type the password, or click Allow.
  3. In the navigation pane, locate and then click the following registry sub key:
    HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4D36E965-E325-11CE-BFC1-08002BE10318}
  4. In the right pane, click Upper Filters.
    Note: You may also see an UpperFilters.bak registry entry. You do not have to remove that entry. Click Upper Filters only. If you do not see the Upper Filters registry entry, you still might have to remove the Lower Filters registry entry. To do this, go to step 8.
  5. On the Edit menu, click Delete.
  6. When you are prompted to confirm the deletion, click Yes.
  7. In the right pane, click Lower Filters.
  8. On the Edit menu, click Delete.
  9. When you are prompted to confirm the deletion, click yes.
  10. Exit Registry Editor.
  11. Restart the computer.

If upper filters and lower filters are still missing you can go ahead and run the Microsoft fixit.

I have provided a link to run Microsoft Fixit: 

http://support.microsoft.com/fixit/ 

Please revert for clarification.

zeeshanjan

3 Posts

September 8th, 2012 22:00

Hi Rajesh,

  Thanks for the quick response , but I have already tried this approach . As I mentioned in my issue that I am not able to view the Upper & Lower filters in Registry at the location mentioned in your response.

 Also I have tried the Microsoft Fix , the Microsoft Fix informs me that everything is working fine. but still I am not able to view my cd/dvd rom icon on the my computer.

  Please suggest some other fix...

--Zeeshan Jan

zeeshanjan

3 Posts

September 8th, 2012 22:00

Hi Rajesh,

 To add my previous reply. I have tried the following options as well:

 1) I have run the dell dygnostics on the system startup when we press F12. I have the message the everything works fine and the test is passed.

 2) I have also run the Dell Support Center tool install on my laptop ,  when I run all the tests I get success / passed.

 3) I have also changed the boot options and placed CD/DVD Rom as first option on startup in BIOS.

 I have almost tried all the options available on google search including the Registry & Microsoft Fix It.

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