Nov 08

Last week, I was troubleshooting a PC. The DVD/CD-ROM drive is not able to be seen in windows explorer. In the device manager, the DVD/CD-ROM drives appear with exclamation mark. The user mentioned he has installed the drivers CD from the manufacturer.

  1. On the Windows Start menu, click Run.
  2. In the Open box, type Regedit and click OK.
  3. Select the following key in the Windows registry:
  4. HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\
  5. On the Edit menu, click Delete:
    Value Name: LowerFilters
    Value Name: UpperFilters
  6. On the Registry menu, click Exit.
  7. Reboot your computer.

Sometimes, you may find only one of the Value Name. You can continue to delete it and restart your computer.

New:  20/03/2009 or I’m slow.  Microsoft posted a new article to fix for Windows Vista.

written by coppermine

119 Responses to “Yellow exclamation mark in DVD/CD-ROM drives in Device Manager”

  1. 1. Garaldo Says:

    Many thanks job well done

  2. 2. Paul L Says:

    Thanks for this guys, worked a treat

  3. 3. Andrei Says:

    Nice! Fixed my DVD-Rom driver 🙂
    Btw. there is no need to restart, simply uninstall the drive in the device manager after fixing the registry.
    After that let windows scan for new hardware and voila!

  4. 4. Robey Says:

    Still helping people in 2013!

    Thanks for sharing your knowledge.


  5. 5. sooraj Says:

    I could see the upperfilter in registry and removed . But once restarted it is going for system restore.

  6. 6. jeff Says:

    Excellent! I never leave comments on websites but I finally found a solution instead of getting the runaround from dell. Thanks again.

  7. 7. M Karia Says:

    Simple & concise.
    Thanks problem resolved.

  8. 8. JohnnyCook Says:

    Worked for me. Thank you very much, coppermine!

  9. 9. samson Says:

    good 1

  10. 10. Lacy Husmann Says:

    Every word you post completes a sensible post. Thanks for the effort.

  11. 11. Rohit Says:

    sir it’s showing error while deleting key

  12. 12. Dolph Lundgren Says:

    Wow! Thanks so much! It worked like a charm, even the comment that said don’t restart, just check for new hardware. Awesome.

  13. 13. umesh mali Says:

    Thanks bro worked in windows 7 in my Lenovo laptop.

  14. 14. Megz Says:

    Thanks man really Helped 🙂

  15. 15. dorothy Says:

    THANK YOU a zillion times over, this was the only fix online that restored mine, you rock!!! And so does my DVD/CD player now too, :0)

  16. 16. panos Says:

    Thank you so much! You saved me too, from so much trouble!

  17. 17. Megs Says:

    Thank you sincerely. I had my doubts, but it worked beautifully – I’m thrilled!

  18. 18. Says:

    It worked for my Windows XP. I found more than one key in the Windows registry with value name LowerFilters and/or Upperfilter. I had to delete in two of the identified keys before it worked. I had spent at least two hours trying to repair before I stumbled onto your post. Thank you.

  19. 19. Manish R. Shah Says:

    Thanks…. It saved lot of time and reputation.

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