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No audio output device installed

I have a panasonic cf-29 toughbook & im running windows vistas. my audio was working fine i have no clue what happened! it still play dvds but it has no sound and when i try to update the drivers in the device manager but it tells me windows cant install or find the proper drivers. the sound card is a sigmatel. CAN ANYONE HELP ME!!!!

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Best website I found for the Toughbook:
http://pc-dl.panasonic.co.jp/cgi-bin/itn/toughbook/dl01.cgi

Posted on Feb 09, 2010

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Hi
Can you use System Restore to roll back to a restore point when you did not have the problem?
Other wise go to mfr web site and download and re-install drivers

Posted on Aug 17, 2008

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Posted on Jan 02, 2017

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Remove bios password for a panasonic toughbook cf-30k


  • Press "F2" on your keyboard when you see the Panasonic logo appear on the screen. You will immediately be prompted to enter your Panasonic Toughbook Cf-29 BIOS password. Type the word "Biostar" into the password prompt. This is your Panasonic Toughbook Cf-29 backdoor BIOS password. Press the "Enter" key to unlock your Panasonic Toughbook Cf-29 BIOS.
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    Cf-29 no operating system


    You will require the internal Panasonic Toughbook CF29 optical drive (DVD). The cost of such a drive (used) in should be $50 or less.

    You will also require a Windows 7 DVD.

    You may be able to download an ISO file and burn your own.

    Try this Microsoft Website:
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    Put panasonic cf 29 into safe mode


    On ALL Panasonic Toughbooks you can
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    Make sure the Toughbook is OFF.

    Power on the Toughbook and immediately
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    You only have 2-3 seconds to do this and this
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    A "text-only" screen will come up. You can then
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    Use the UP or Down Arrows to highlight the
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    Hi,
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    I installed windows xp pro and i have no sound cf-50 toughbook CF-50BB2NUDM I`ve tried Realtek and the panasonic sound driver download site nothing has worked so far.


    Have you check Device Manager and under sound, video and game controllers to see if you have any yellow ? marks next to anything. You would go to start-control panel-system-hardware-device manager.
    If you have any yellow marks missing then you will need to find the driver for those.
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    http://pc-dl.panasonic.co.jp/cgi-bin/itn/toughbook/dl01.cgi

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    Hello and thank you for using Fixya's services.

    You can download the driver from the manufacturer's website. Go to site and search for your model number. The download is free of charge under support tab.

    Please let me know if you have questions.

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    Your touch pad drivers need to be installed. Power off the laptop. Install an external mouse, power back on and install drivers. When finished, power down, remove the external mouse and reboot.

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    the windows xp sp1a drivers should work fine on the sp2 after you get the network card working try windows updated to see if it list any new updated drivers

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