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xp cd drive filters missing?

by Dload21 / August 22, 2009 2:22 AM PDT

hi guys i need your help with my laptop on xp sp2

after looking throught this forum i can see that this is a commomn problem but all the solutions given havent worked on my laptop,

suddenly i "lost" my cd/dvd rw drive on my hp laptop, i did the usual and deleted the upper and lower filters in the regedit, and it worked, but now it gone again, ive tried re-installing the factory drives from hp and thats done nothing, sometimes it appears as a dvd-ram drive in my computer but it wont read cds, the drive itself is fully functioning and opens and closes and spins and the light flashes but thats it!

ive got a good knowledge of computers and thought it would be an easy fix but this is proving difficult,

if you could offer any help at all that would be greatly appreciated

on a final note, i was told to try boot from cd, at the time i couldnt find my windows disc, so downloaded a simple memorey test and burned it to a disc and booted the laptop from that disc, this was succesful which i presume means the drive is fine,

thanks again.

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I missed it.
by R. Proffitt Forum moderator / August 22, 2009 2:39 AM PDT

The issue of the upper lower filters repeats as we do some things. I missed where you deleted these this time.

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reply
by Dload21 / August 22, 2009 2:45 AM PDT
In reply to: I missed it.

i deleted the files in the regedit under HKEY_LOCAL_USER

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Ouch.
by R. Proffitt Forum moderator / August 22, 2009 2:49 AM PDT
In reply to: reply

I take it the registry is now trashed by deleting far too much than the two entries.

I see a reinstall of Windows in your future.

Sorry to hear about your loss.
Bob

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ouch
by Dload21 / August 22, 2009 2:53 AM PDT
In reply to: Ouch.

its possible yes Sad

is there no other way to fix without reinstalling windows?

couldnt i replace the files? or replace the drive itself?

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I only have your post to work with.
by R. Proffitt Forum moderator / August 22, 2009 3:17 AM PDT
In reply to: ouch

It looks like you did far too much damage to the registry. We often find that a "XP REPAIR INSTALL" sometimes works but you could try SYSTEM RESTORE to a day it worked or the day before you deleted so much.

That is, I've never had to install CD/DVD "drivers". In fact you can find thousands of posts where people ask for such but Windows has these already. It is not a driver issue when the CD/DVD drives vanish or do the old "CODE 39."

But you posts lead me to believe you deleted far too much and not just the 2 items.
Bob

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reply
by Dload21 / August 22, 2009 3:24 AM PDT

ok mate i see what your saying

as i will be getting a new laptop in couple of months, im thinking instead of reinstalling windows etc maybe buy an external drive with USB cable for the moment,

what do you think?
thanks

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If you did that much registry damage.
by R. Proffitt Forum moderator / August 22, 2009 4:59 AM PDT
In reply to: reply

Then the USB external should fail. But who knows until you try it.

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reply
by Dload21 / August 22, 2009 6:33 AM PDT

sorry i think ive misslead you,

when i said i had deleted the upper and lower filters in the regedit it was on in the cd drive folder

(HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4D36E965-E325-11CE-BFC1-08002BE10318})

there was 2 files i deleted; 1 upper filter and 1 lower filter, i left everything else as is,

sorry for the confusion

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Ahh.
by R. Proffitt Forum moderator / August 22, 2009 8:17 AM PDT
In reply to: reply

I read "i deleted the files in the regedit under HKEY_LOCAL_USER" that you did that. I have seen people do that and this is why ...

OK, do the drives show in the BIOS screens?

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bios driver
by Dload21 / August 22, 2009 8:24 AM PDT
In reply to: Ahh.

if you are refering to boot order then yes it shows up in the list under floppy disk A

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Now try it in SAFE MODE.
by R. Proffitt Forum moderator / August 22, 2009 12:06 PM PDT

In Safe Mode head to the device manager to uninstall/remove all CD and DVD drives you find there. When done, ok your way out of that and do the usual Start, restart. XP when it boots the next time will redetect the drives unless there are other issues.
Bob

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safe mode?
by Dload21 / August 22, 2009 7:21 PM PDT

how would i start in safe mode?

also when in normal windows mode there are no cd/dvd drives listed in the device manager

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1. Use google.
by R. Proffitt Forum moderator / August 22, 2009 8:53 PM PDT
In reply to: safe mode?

You can research that with ease.

2. Since you didn't get to Safe Mode, we don't care what shows in normal mode.
Bob

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safe mode
by Dload21 / August 22, 2009 9:38 PM PDT
In reply to: 1. Use google.

after searching youtube got the laptop booted in safe mode,

went into device mngr and the cd/dvd drive is not listed,

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If it is not listed in Device Manager ...
by Kees Bakker / August 22, 2009 9:52 PM PDT
In reply to: safe mode

and still not reinstalled automatically at reboot, there's some hardware issue, most likely. Do you see it in the BIOS setup?

Kees

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reboot
by Dload21 / August 22, 2009 9:56 PM PDT

no it didnt reinstall, i tried to put a cd in the drive (music cd) and again still nothing,

when u say bios, do you mean in the boot options?
i changed the boot option and booted from a cd fine if thats what you mean

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after reboot
by Dload21 / August 22, 2009 10:05 PM PDT

the drive was not automatically reinstalled at reboot

i also tried a cd(music) and this did nothing either

when you say bios setup do you mean boot order? i hve previously changed the order and was able to boot from cd to perform a simple minor memory test this was succesfull

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No, not the boot order.
by Kees Bakker / August 22, 2009 10:09 PM PDT
In reply to: after reboot

I mean the IDE-device listing. If it isn't there, Windows certainly won't see it.

Kees

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That's telling us
by R. Proffitt Forum moderator / August 22, 2009 9:54 PM PDT
In reply to: safe mode

That there is not a software issue or the damage was too deep to the OS.

-> The test I use to show the CD/DVD drives are gone is to set the machine to boot from CD/DVD and then boot up a bootable CD. If that machine needs repairs the CD never boots.
Bob

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so basically
by Dload21 / August 22, 2009 10:08 PM PDT
In reply to: That's telling us

i presume its not the cd drive but the software deep in OS, as it has already booted from a disc, correct?

would it be posisble to just use a external cd drive with USB connect?

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Sorry no.
by R. Proffitt Forum moderator / August 22, 2009 10:29 PM PDT
In reply to: so basically

"i presume its not the cd drive but the software deep in OS, as it has already booted from a disc, correct?

would it be posisble to just use a external cd drive with USB connect?"

No. Your assumption is wrong here. About the external. Might work, might not. Try it. But remember that we may not be able to repair the OS on some machines if the internal CD/DVD drives have failed. This was a big issue with older hardware. Newer machines seem to be able to boot and repair from the externals.
Bob

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ok
by Dload21 / August 22, 2009 10:40 PM PDT
In reply to: Sorry no.

i see what your saying but as im getting a new laptop in couple of months i just need a cd drive as a temporary fix basically, i think if i was to re-install windows, i would loose all info on my laptop which i need for my place of work,

ive looked at buying the same drive and replacing it but i couldnt garantee that it would be the exact same one

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Ouch. Did you just reveal?
by R. Proffitt Forum moderator / August 22, 2009 11:30 PM PDT
In reply to: ok

That you don't backup? I know the drive or machine has failed but with all the things we have today from memory sticks to Google Docs and more why would anyone lose their stuff?

Also, I read this discussion again and never found the model. I found its a hp laptop but leaving out details can hurt. For instance if I read dv6000 or dv9000 then most will tell you about the recall.
Bob

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definately
by Dload21 / August 23, 2009 12:06 AM PDT

yes i do, sorry the laptop is HP pavillion DV2000

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The DV2000 looks to take
by R. Proffitt Forum moderator / August 23, 2009 12:41 AM PDT
In reply to: definately

A common IDE laptop DVDRW drive. but given the age I suggest you only replace it if you find it for free or cheap. ANY other laptop with an IDE drive could donate such a drive for the test.
Bob

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