DVD drive is missing

Sometime it happens like you want to burn CD and you find that your DVD drive is missing from My Computer. You start applying many troubleshooting steps, from making sure whether the DVD drive is detected in BIOS, to uninstalling & reinstalling the driver from device manager and also might try to reset the data & power cable of DVD drive but find no help.

Before doing all of these things with your own, Delete Upper and Lower filter file from Registry editor.
Deleting upper & lower filter file is way to solve problems related to viewing CD/DVD drive on My Computer. It is common to do this when a person can no longer see the drive on My Computer.

Steps to delete Upper & Lower filter from Registry.

Note: Before making any changes on Registry it's better to backup the registry file, if in case some incorrect changes is been done you can be assured by restoring the backed up file.
Registry file are the core file of OS (operating system) it have a configuration setting of Operating System, so making an incorrect changes to the file may lead to harm/break your computer. It's better to backup the file.
Follow the link on How to backup Registry file.

And again note that you follow the instructions properly that you do not take any wrong steps to harm your computer.

1)  Open Run Window by pressing the Window-key & R-key on keyboard together or
     Click on Start, then All Programs, Click Accessories, and then click Run.

2)  Type regedit and then OK.

3)  Click on + button beside HKEY_LOCAL_MACHINE.

4)  Click on plus sign (+) next to SYSTEM.

5)  Click on Plus sign (+) next to CurrentControlSet, then on Control and then on plus sign (+) next to Class.

6)  Now click on 4D36E965-E325-11CE-BFC1-08002BE10318, now towards Right-Pane you will see one name as Upper filter & another as Lower filter.

In my window the class file name is listed as last option, it might not be same in your computer. So be careful and verify the class file name.

7)  Click on Upper filter and from the Edit menu click on Delete. Same you can do it for Lower filter.
If you are prompted to confirm deletion, click on Yes.

Note:  You may see Upperfilter.bak registry entry; you do not have to delete that entry only Upper filter and same for Lower filter.

To apply the changes you will have to restart your computer. 

Posted in: Computer, DVD drive