WIndows Can't find my DVD/CD Drive

July 11, 2005 at 16:42:54
Specs: Windows XP Pro SP2, AMD Anthlon 64 3200+/ 2GB

windows does not detect my cd rom drive or my dvd rom drive.

MotherBoard:
Asus K8N-E Delux
CD Rom:
ASUS CD-S520/A4
DVD Burner:
Nec DVD_RW ND-3500AG

i have tried to uninstall them both and reinstall them.
BIOS sees them
i havn't tried to change the IDE (im not sure if im right, but if the BIOS is seeing it it should be working?)
updated the driver on the ASUS one, but it still doesnt show up.

thanks for any help in advance


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#1
July 11, 2005 at 16:46:58

If you are comfortable editing the registry:
Create a Restore point and back up the registry.Open regedit.
Look for;

HKEY_LOCAL_MACHINE\system\CurrentControlSet\SetControlClass.
Key name: {4D36E965-E325-11CE-BFC1-08002BE10318}
Value Data:[Delete all value data from upper and lower filters]
Note-Do not delete the key or the multi-string values. Delete only the data values.
Exit regedit and reboot.


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#2
July 11, 2005 at 18:06:14

alright so make the backup b4 i edit it just in case i mess something up and delte those values...

what do u mean upper and lower filters?


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#3
July 11, 2005 at 18:57:33

There must be an inadvertent typo in Per's posting.

Click Start>Run

In Open: box type Regd32.exe [ENTER]

In the Registry Editor that opens you will see Like you see in EXPLOER an inverted tree structure of Hives (Major keys), Keys , Subkeys and sub-sub keys etc that you can open sequentially by clicking the + (Plus) by the left side of each until you reach the "target key.

When you click the target key and open it willshow details on the RIGHT panel which are values.

You are asked to navigate to:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4D36E965-E325-11CE-BFC1-08002BE10318}

When you click and highlight the long string of Number and letter containing key you will see on the RIGHT Panel the values:
LowerFilters and UpperFilters

Click to select them and then Click edit>Delete each of them

BUT BEFORE you do that you must Save your Registry key . the procedure is similar to saving a File in say My documents in windows.
But here it is called Registry Export.
You can EXPORT the ENTIRE Registry or Just the Key you are going to edit

In this case, just Export the selected Branch only.
For that once you open the last key, [the long Alpha-numeric String within Curly bracketsv { }] go to the Menubar of registry editor and Click File> Export...

At the bottom make sure (.) selecte branch is Targetted as shown .
Type a name for the File Like CDedit or any name u like'
Click Save once you select desktop for Save in . You may create a Folder on Desktopo to easily locate if ur desktop is crowded like mine:-)
This is your insurance against any editing mishaps. If you go and double click the saved reg file, it will RESTORE the Registry to your Pre-edit state.
Next go back and do the editing
M



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Related Solutions

#4
July 12, 2005 at 12:00:41

thank you very much ill try this asap

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#5
July 12, 2005 at 12:12:37

Good luck. If you have a Third party Burning software installed (like Nero)and some of its functions are seen lost after this Regedit, you need to REINSTALL that software to get that function back :-)
M

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#6
July 12, 2005 at 15:43:56

WOOT! it worked
thanks a lot guys!!

awesome ^_^

for some reason i only had lower filters...
oh well its working now tyvm!


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#7
July 12, 2005 at 17:43:12

Glad, you solved the problem to your satisfaction.

Now that is working you can go back and Delete the Registry key you saved [you know now it was a worthless key that wouldn't have opened your CD-ROM /DVD-RW anyway:-D]and you can if u want save a copy of the current good key for any future Registry Corruption.
M


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#8
cgt1z July 28, 2005 at 17:25:27

maadhurimn
The14thGOD

Thank you guys for this fix. This has happened to me twice and the last time the administrator said I had to reload windows. In the process I lost a lot of stuff not to mention the time.
THANKS!!!!! :-)


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#9
August 14, 2005 at 22:13:05

O-M-G!! These instructions TOTALLY worked!! Thank you SO much! I was REALLY pissed at Dell tonight because I have a 3 year warranty on my PC. Well, they ruled out that there wasn't a problem with my hardware (CD-ROM drive) and transferred me to their software department. Then I find out that our 3 year warranty doesn't include software support and they tried charging me $99.00 for the assistance! I was REALLY upset! Said to hell with it and started looking. So glad I came across this page!! Thanks again!!


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#10
August 18, 2005 at 11:51:37

THANKS for me too, WORKED!

for you fellow win2000 users, the file isn't
regd32.exe but regedit.exe



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#11
August 31, 2005 at 08:50:41

I'm a winXP user but my registry file won't open if you type in regd32.exe, but instead it will come up when I typed in regedit. Anyway, this page did not solved my problem, because when I looked at HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4D36E965-E325-11CE-BFC1-08002BE10318} it doesn't have any of those upper and lower filters, so I don't know what to do next. Any advice?

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