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Thread: Firmware update for Matshita DVD-RAM UJ-841S

  1. #1
    Join Date
    Mar 2009

    Firmware update for Matshita DVD-RAM UJ-841S

    Hello all, Can any one provide me with the link to the firmware update for this dvd writer - Matshita DVD-RAM UJ-841S. Thanks in advance.

  2. #2
    Join Date
    Dec 2007

    Re: Firmware update for Matshita DVD-RAM UJ-841S

    See suggestions given in similar type of threads: Matshita UJ-822Da - Firmware upgrade

  3. #3
    Join Date
    Nov 2005

    Re: Firmware update for Matshita DVD-RAM UJ-841S

    Matshita DVD RAM UJ-841S Update

    Applies to:
    Matshita F/W for VAIO UJ-841
    Software/Application/PC Requirements:
    Windows XP, Windows 2000, XP, Vista

    Panasonic Communications Co. Ltd

    File Name:

    File Size:
    2.12 MB
    Driver Date:
    Driver Version:
    Ver. 1.11 No Region Free Firmware

    Download it from here

  4. #4
    Join Date
    Dec 2007

    Re: Firmware update for Matshita DVD-RAM UJ-841S

    The firmware update will not delete the DVD region lock.
    The fact is that you can change 5 times this option and then the option is locked and it’s not possible to change it.
    Unfortunately there is nothing to do!

  5. #5
    Join Date
    Nov 2005

    Re: Firmware update for Matshita DVD-RAM UJ-841S

    I was having trouble getting the uj-841s to be recognized by my toshiba m105-s3004. I found this registry edit on the Microsoft Technet forum. Credit goes to misslove on that site.


    It may be a upper and lower limit problem.

    before moving on, let’s backup the windows registry.

    To know how to backup windows registry in Vista, please visit this link:

    then, type regedit in the Start Search box, and then press ENTER

    click plus signs next to the following;
    {4D36E965-E325-11CE-BFC1-08002 BE10318}

    then look for any of these entries in the list;


    if you see any of these delete them by right clicking and delete

    then, close the window and reboot the computer.

    It fixed the problem on my XP system. Actually I've done it twice now, first time with SP2, and now after I used the recovery disk and installed SP3. But it took me an hour's searching this time since I didn't save the instructions before, so I thought I'd put it here, too. Funny that it worked flawlessly after the first time I fixed it but the problem came back after restoring to the computer's original state. Shame, Toshiba.

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