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CD/DVD Drive


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#1
cigos

cigos

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Hello Folks, Especially Wannabe 1,

Last October I found my DVD/CD drive had disappeared from my Acer Aspire, with Windows XP. After some investigation the problem was solved by Wannabe 1. I printed out the information in case this should occur again. Unhappily it has occurred and confidently I looked out the paperwork only to find that the crucial end part was missing. To avoid undue embarrassment I have spent two days trying to cure the problem.

In the device manager the device shows a yellow exclamation mark and the text says that the drive is either
missing or corrupted. Code 39. The device is enabled and I have uninstalled and re-booted but the same entry returns, i.e. Pioneer DVD/RW DVR-K16RA, with the same yellow exclamation mark.

I have even used the Acer Recovery system but to no avail. Failing to remember how the problem was solved is inexcusable and my only excuse is old age!

I have been through the HKEY_LOCAL_MACHINE through to where the Upper and Lower filters are shown as listed. Then I am stymied. Wannabe 1 said "Given this information, we'll see if we can get the drive back or determine if it has failed." For the life of me I cannot remember what happened thereafter.

I hope the great Wannabe 1 reads this and responds, but I would appreciate any offers of help from all and sundry.


In anticipation, Cigos.
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#2
wannabe1

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Hello cigos...

Click Start, then Run, type regedit and click "Ok"

In the left pane, expand (click +) HKEY_LOCAL_MACHINE, then SYSTEM, then CurrentControlSet, then Control, then Class, and click on {4D36E965-E325-11CE-BFC1-08002BE10318}

In the right pane, are UpperFilters and/or LowerFilters listed?

If you find either the LowerFilters or UpperFilters have been set on the drive....

In the left pane, right click on {4D36E965-E325-11CE-BFC1-08002BE10318} and choose "Export". Name this file oldfilters and save it to your desktop.
In the right pane, right click on LowerFilters and choose "Delete"...accept the change. Right click on UpperFilters and choose "Delete"...accept the change.

Close Registry Editor and reboot.

Does your drive reappear?

wannabe1
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#3
cigos

cigos

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Greetings Again Wannabe 1,
You're the Ace. Optical Drive is back! Thanks, once again. I have printed out the complete piece this time, so I hope I shall not embarrass myself in future.

My Best Wishes, Cigos.
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#4
wannabe1

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Glad to help... :)

You can delete the oldfilters file you saved to the desktop...it's no longer needed.
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