Windows Vista - Missing CD/DVD drive option in Vista
Asked By Anbuselvan R
31-Oct-08 11:25 AM

Hi,
I was trying to read DVD in Windows Vista from my laptop. It reads the content for few minutes and then I removed the DVD. Again I inserted DVD and checked the drive option from MyComputer and it is not there.I used the following steps,
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4D36E965-E325-11CE-BFC1-08002BE10318}
Apparently it seems that this is an age old fix for even XP systems. If you venture to the registry key above by doing the following steps:
- Click on the start menu.
- If this is a Vista machine in the search box type in "regedit" without the quotation marks.
- Maximize the HKLM and then go ahead and browse until you reach the key listed above.
- In the right panel you’ll see something along the lines of "UpperFilter" and "LowerFilter" you want to click on each "filter" key and hit delete. Click yes when it asks to confirm if you wish to delete the key.
- Restart Windows.
- Let me know if this works.
But I couldn't find any filters from the above path in RegEdit. Pleas help me regarding this issue.
Advance Thanks by Anbu.
windows form transfer
Try these steps

It is strongly recommended that you backup your registry, before performing these steps. If not sure, please do not perform these steps and contact a system engg.
1. Click the Start Button/Windows Icon (start menu).
2. Either type "regedit" or click Run and type regedit.
NOTE: User Account Control may ask for permission to continue. Select Continue
This will then load the Registry Editor.
3. In Registry Editor, navigate to:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Contro l\Class\{4D36E965-E325-11CE-BFC1-08002BE10318}
NOTE: You will know you are in the right place because the Status Bar at the bottom of Registry Editor will show the above in the status bar.
Remember, you're looking for 4D36E965-E325-11CE-BFC1-08002BE10318
There are other entries with only 1, 2 digit differences - so don't get confused!
3. In the right hand pane, find and click UpperFilters.
4. Right click and select Delete. If you're not confident using the right click, then select the Edit menu, then click Delete.
5. In the right hand pane, find and click LowerFilters.
6. Right click and select Delete. If you're not confident using the right click, then select the Edit menu, then click Delete.
7. Exit Registry Editor.
Now restart your computer. You should have your DVD/CD Rom again.
Missing CD/DVD drive option in Vista
This is very common problems in Windows Vista and lot of threads have been reported for this problems. You can find solutions at below links:
http://www.donalyza.com/dvd-drive-not-found-in-windows-vista/
http://support.microsoft.com/kb/929461/en-us
-Jack

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