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Solved: CD ROM system file is missing or corrupt

Discussion in 'Windows XP' started by supersgroote, Sep 24, 2008.

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  1. supersgroote

    supersgroote Thread Starter

    Joined:
    Sep 24, 2008
    Messages:
    2
    My CD ROM/DVD player recently stopped working on my Omitech computer. From My Computer - I can't see the drive anymore.
    In the device manager - it has a yellow exclamation mark on it.
    I tried updating the driver but the message was that the software was already the best match. I tried uninstalling and reinstalling but it says a file is missing or corrupt. I bought a new external CD ROM - but have the exact same problem with it. I went to Run and put in sfc /scannow and there were problems that maybe could be fixed - if only it could read the XP CD - then it could fix the CD ROM. But it can't read the CD because of the problem with the CD ROM. (a whole in my bucket story.)

    So - how can I fix the problem if it wants a CD to fix the problem but the CD ROM is not working to read the CD???
     
  2. Claymore

    Claymore

    Joined:
    May 20, 2005
    Messages:
    2,548
    Hi,

    Try this first:

    Copy the code below. Open Notepad and paste it in. Save the result in a suitable location as drives.reg - making sure that the default .txt extension doesn't appear in the file name (Save as type = All Files).
    Double-click on the saved .reg file to merge the contents.
    Restart.

    Code:
    Windows Registry Editor Version 5.00
    
    [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4D36E965-E325-11CE-BFC1-08002BE10318}]
    "UpperFilters"=-
    "LowerFilters"=-
    
    [-HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Cdr4_2K]
    
    [-HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Cdralw2k]
    
    [-HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Cdudf]
    
    [-HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\UdfReadr]
     
  3. supersgroote

    supersgroote Thread Starter

    Joined:
    Sep 24, 2008
    Messages:
    2
    Thank you! You did for me in 30 minutes what my work IT support couldn't do in 2 weeks.
     
  4. Claymore

    Claymore

    Joined:
    May 20, 2005
    Messages:
    2,548
    Great! Give 'em the bill for the extra drive you had to buy :)
     
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