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Challenging disappearing DVD Drive problem- never heard of before, can't find on Google

I recently purchased a used Samsung M40 notebook computer. Theprevious owner reformatted the HD and reloaded WinXP. The first thingI noticed as I tried to install the drivers from the included Samsungdisk was that I couldn't find the DVD drive in My Computer. Afterrebooting a couple of times, it appeared as a "new hardware" alert. Iinstalled the system drivers and gained wireless access. I then usedwinupdate to upgrade to SP3.

I thought all was well, but since then I've realized that the DVD drivehas been visible only twice. It is not listed under Device Manager. Itried deleting upper and lower filters, but there are none. Iattempted to perform this manually and by using winXP's auto fix aswell as a program called CDGone. The auto programs said that therewere no upper and lower filters. I searched the registry for upper andlower filters and found them in a different key than specified in theinstructions.

This is where it gets strange. The upper and lower filters (which aren't able
to be deleted anyway) are under

Today the DVD drive was found as new hardware again and I really wouldlike to make it permanent. Under device manage> DVD/CD-ROM Drives,it is listed as TAAC ! ! DS-S21ES ! ! ! ! in that exact format. Thedrive is functioning normally, and there are no alerts, and the currentdriver is the "best" one. I can't find any reference to either TAACDVD driver or DS-S21ES on Google. The TEAC DV-W24ES is the DVD driveusually included with the Samsung M40, which leads me to believe thatthe TAAC DVD is not a real device, but somehow made up by the system. And what is with all the exclamation points?

I've also tried uninstalling all the IDE controllers from the devicemanager (when the DVD drive was not visible) and upon reboot, itreinstalls them but never finds the DVD drive.

The DVD drive is able to be selected from BIOS setup but I cannot bootfrom it, at least when the drive is not visible, and I never know whenit will be at that stage in the boot.

I thought maybe if I never shut the computer down, then the drivewouldn't disappear, but it also disappears when it goes into standby,so that idea doesn't work.

I've uninstalled SP3 in hopes that it would have an effect. It didn't.

This is such a maddening problem and I am unable to find a solutionanywhere. I am tempted to take it into a computer repair place butdoubt they could do anything and would probably charge me theevaluation fee and declare it not able to be fixed.

If anyone has any input or ideas about this I would really appreciateit. I think I've told you everything but let me know if there isanything else I can add. Thanks!

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I had a similar problem with a Matshita DVD Ram UJ 820 S installed in a Toshiba sattelite M30x.

That time I also tried everything thinkable.
Finally, I uninstalled the driver, rebooted the system, installed the driver again and it
worked for some time.
Suddely, the DVD - Ram was only recognized of being a CD-Drive.

I shutted down the Laptop, unplugged the power cable and removed the battery.
I kept the Laptop like this for a couple of hours.

After plugging in the power cable and after restarting the laptop, it found the DVD-RAM and everything was fine.

I do not know if your problem is similar but you can give it a try.

best regards

Posted on Sep 26, 2008

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