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Join Date: Aug 2003
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Code 19 Registry Error

  #1  
Aug 29th, 2003
Yesterday I put Windows 2000 driver CD into my CD-Rom drive and suddenly my laptop doesn't "see" that drive anymore.

When I go to system/hardware, it's telling me that I'm having a Device Manager Error Code 19 and that my registry might be corrupted. I found this information that may possibly fix this problem for me, BUT I have no idea what an upperfilter or lowerfilter is. Can anyone help me shed some light on this??

~~~~~~~~~~~~~~~

Remove the Upperfilters and Lowerfilters values completely from the following registry key:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4D36E965-E325-11CE-BFC1-08002BE10318}
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Join Date: Nov 2003
Location: East Lansing, Michigan
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Re: PLEASE HELP - Code 19 Registry Error

  #2  
Nov 3rd, 2003
Hi:

Follow steps:

Start, Run, Regedit, find key, select key, expand it. then delete the to sub keys listed. I have no idea what they mean. I ran into the same problem after adding a BackPack-CDR to my system.
Good Luck
Carter
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Re: PLEASE HELP - Code 19 Registry Error

  #3  
Nov 3rd, 2003
Thank you SO much Carter! I will try this tonight when I get home. I'll let you know the outcome.

Thanks again,
Jenifer
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Re: PLEASE HELP - Code 19 Registry Error

  #4  
Apr 9th, 2004
hi i just found your reply to the problem of missing cd drive, i followed your advise and i would like to say a big thank you. it worked first time.

lestat92
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Re: PLEASE HELP - Code 19 Registry Error

  #5  
Apr 12th, 2004
Hey,
i have the same problem. what are the upper and lower filters? do I need to un install and reinstallm y CD roms after, or do they automatically repair?

thanks

toby
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Re: Code 19 Registry Error

  #6  
Apr 12th, 2004
did anyone help you yet?
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Re: Code 19 Registry Error

  #7  
Apr 15th, 2004
Sorry i dont know what they are either but if you follow the instructions above and just delete the filters your comp with recognise your cd drive again without any re-installing od drivers,(at least i didnt need to re-install any, i am running windows 2000 pro on a dell laptop)

all the best. lestat
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Re: Code 19 Registry Error

  #8  
Apr 15th, 2004
first of all thanks for replying. I have two computers, my newer one has upper and lower filters, but my older P2 doesnt. Im going to try to blow away the whole reg file sub-keys and try to re-install. unless you have another idea


thanks

Originally Posted by lestat92
Sorry i dont know what they are either but if you follow the instructions above and just delete the filters your comp with recognise your cd drive again without any re-installing od drivers,(at least i didnt need to re-install any, i am running windows 2000 pro on a dell laptop)

all the best. lestat
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Re: Code 19 Registry Error

  #9  
Jul 5th, 2006
dont know how deleting those filters fixes anything but i worked, thank you
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Re: Code 19 Registry Error

  #10  
Nov 15th, 2007
just so you know same fix works in Vista 64 as well
Cheers
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