.Net ramblings
# Friday, 05 January 2007
Code 39 error on DVD drive in Vista...
all of a sudden my dvd drive stopped working, and i couldn't figure out why.  there was no drive listed in explorer and the device was not working, code 39.  i eventually found this ms kb article that gets you to delete 2 registry settings to fix the problem.  they said it could be caused by installing Easy CD Creator.  i tried to uninstall AsusDVD and that may have done it.  in any case, it works now.


Friday, 05 January 2007 17:27:30 (GMT Standard Time, UTC+00:00)  #    Comments [1]  General

Saturday, 14 November 2009 03:58:11 (GMT Standard Time, UTC+00:00)
Fixing Code 39 Error
If your CD-ROM drive is not visible in My Computer, you may see the following error message displayed with the CD or DVD drive item in your Device Manager. (Steps to open Device Manager are discussed later in the article.)
"Windows cannot load the device driver for this hardware. The driver may be corrupted or missing. (Code 39)"
Using Device Manager
To fix this error, first try to update the driver from the Device Manager. To open Device Manager, right-click My Computer on your Desktop, and then on the Hardware tab, select the Device Manager button.
In the Device Manager window, identify the CD or DVD drive item (with Yellow exclamation mark), right-click on it and select Update Driver. Follow the screen instructions to update the device driver and restart your PC.
Using Registry Editor
If updating the driver does not resolve the problem, it indicates that there is a problem in the registry. To fix this problem, you may have to remove a few keys from the registry.
Note: Be careful while working with the registry editor because changes done to the registry using the Registry Editor are irreversible and mistakes can leave you with more problems than when you started. Therefore, it is recommended that you make a backup of the registry before proceeding with the changes.
After you have removed the registry keys listed below, you will have to reinstall all applications that you use for CD or DVD recording to make them work properly.
To fix the error by editing the registry, perform the following steps:
1. Exit and close all applications currently running on your PC.
2. On Start > Run type Regedit and press the Enter key.
3. Next, navigate to the following registry key:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\ Control\Class\ {4D36E965-E325-11CE-BFC1-08002BE10318}
4. Delete any of the following registry entries if they exist under this key:
o LowerFilters
o LowerFilters.bak
o UpperFilters
o UpperFilters.bak
5. Restart your PC and open My Computer to ensure that the CD-ROM drive is visible.
6. Also, open the Device Manager again to ensure that the yellow exclamation mark and the error code is now gone.
7. Restart your PC and open My Computer to ensure that the CD-ROM drive is visible.
8. Also, open the Device Manager again to ensure that the yellow exclamation mark and the error code is now gone.
Arturo
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