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Dvd read problem

I have a problem with my dvd (gsa-h21l) has a read problem it doesn't recognize any dvd (empty and/or full of any kind).i try to update the original software from hp but it doesn't work,i can only read and burn cd's.
my pc is a hp desktop win xp proff. sp3 installed,conf. is amd athlon 64x2 dual core3800+ 2.00 ghz 2 gb ram and up to date.just a few months ago i installed nero and i guess than the problem started.
any advice will be highly appreciated...

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  • roboraptor Jan 23, 2009

    hi cezlec_06,
    i try it exactly as you've explained it,but nothing changed it won't read or write any dvd's (try it with many different brands maxell-tdk-sony-etc) .any other idea ?!
    thks in advance...


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Check the firmware first in the device manager
1. Right click on my computer and choose manage.
2. Under Computer Management, Click on Device Manager
3. Check the dvd/cd-rw device and check if it has a yellow exclamation point or an x mark on it.
-if it has an x mark. you just need to enaeble it or install the updated driver or firmware for your dvd drive but if none or it has an exclamation point continue the steps below:

DELETE upper and lower FILTERS in the Registry Editor
1.Click on Start. Then type in run or the search box, REGEDIT
then click on regedit. A new window will appear which is the registry editor.
2. Click on the plus sign for HKEY_LOCAL_MACHINE
3. Click on the plus sign on SYSTEM
4. Click on the plus sign on CURRENTCONTROLSET
5. Click on the plus sign on CONTROL
6. Click on the plus sign on CLASS
7. Click on the FOLDER for (4D36E965-E325-11CE-BFC1-08002BE10318)
8. On the left pane you should see the UPPER FILTERS or the LOWER FILTERS or BOTH. DELETE BOTH if possible. Right click on it and click on deleter. Once deleted go back to device manager
9.Click the plus sign On the dvd/cd drive in the device manager, and Right click on the firmware and choose uninstall.
10. Click on ACTION in the device manager and choose scan for hardware changes.
-It should automatically detect and install the firware for your dvd drive. You should be able to play any dvd again.

-This problem might be happening because your firmware for the dvd drive is interfering with the burning software that you installed on the system which is NERO.
-Your feedback will be appreciated. Thanks.

Posted on Jan 23, 2009

  • cezlec_06 Jan 23, 2009

    Uninstall your NERO software and then Install it again.

    -go to contorl panel and choose add or remove programs. Uninstall NERO there.

    -Install K-lite codec pack.


    -install it and restart the computer.



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I have the same problem my DVD-ROM can read CDs but not DVDs I tried your advice but it doesn't worked, If u have a sulotion for me please write me on

Posted on Jun 11, 2009

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