No Audio from Internal Speakers after a fresh install of Windows 7 Pro

T400S - after a fresh install of Windows 7,  theres no audio from the Internal speakers. When I plug an external speakers there's audio. I also install the  audio drivers from the Lenovo site.  Thanks 

Does your sound bar in the Sound Windows go up and down when you play music?
Regards,
Jin Li
May this year, be the year of 'DO'!
I am a volunteer, and not a paid staff of Lenovo or Microsoft

Similar Messages

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    Issue: (MacBook Pro late 2010) Absolutely no audio to internal speakers after OSX has booted up.
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    Digital Out works
    Bootup "BONG" works (and is of course now perma loud after PRAM reset... uggh)
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    re-image MacBook with a the same original OSX Lion image it has been working with for the past 3 months
    re-image MacBook with previous Snow Leopard image (obviously used to work)
    Not using Deploy Studio (but first performing DiskUtility format, using original supported installation media: DVD, Apple Store):
    Installed Snow Leopard (no audio), then upgraded to Lion through Apple Store (still no audio)
    Installed Snow Leopard using installation DVD provided with MacBook Pro (< waste of time as the above step didn't work either, but including here for completeness)Note: Even the "Welcome to Mac" intro movie is silent, audio controls are crossed out
    Gentoo Live DVD _works_ (after enabling Front Speakers using alsamixer other wise it was also muted and no audio would work except through head phones)
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    Jason Miller

    I appreciate your response. I still have concerns:
    The red-lite is off when my issue is happening.
    The red-lite is on when my issue is happening.
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    I guess it sounds to me, that OSX tries to be too user-friendly by not allowing peeps to change those options themselves. Is there a dscl command switch I can use to manually override such an effect? (Just in case I don't happen to have anything to stick into the mini-jack port)
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  • No sound from internal speakers after using audacity 2.02?

    No sound from internal speakers after using Audacity 2.02 ?

    Hey iberlin12,
    I would check out the article containing recommended troubleshooting steps for when you don't hear audio from a Mac's built-in speakers:
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    http://support.apple.com/kb/TS1574
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    Delgadoh

  • No audio from internal speakers until headphones plugged in

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    Thanks avi,
    Take a look at this document and let me know if the troubleshooting steps help to resolve your issue.  Please let me know.
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    ↙-----------How do I give Kudos?| How do I mark a post as Solved? ----------------↓

  • No audio from internal speakers

    My Macbook will not play audio from the internal speakers. It will, however, play through a set of headphones or external speakers. I have tried going to the preferences, but all it shows in the "sounds" area is digital out and there are no controls. I have also tried starting in safe mode and then rebooting, and still no sound from the internal speakers. Any thoughts?
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    Normally when the digital audio has been switched on there is a red light coming from the headphone jack. You could still see if clicking the switch works but with no light there may be a different problem involved and you may need to talk to Apple support.
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    I've just installed Windows 7 Pro (with SP1) on a Lenovo ThinkPad Edge and after running the Lenovo System Update utiltiy it doesn't list any drivers that need installing.
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    I've looked in Device Manager and there are no issues reported so do I leave it as is or do I download all the drivers and install them?
    www.fazzasblog.co.uk - www.helpdeskrules.co.uk

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    www.fazzasblog.co.uk - www.helpdeskrules.co.uk

  • My mac desktop will not provide sound from internal speakers.  when I go to audio devices window it only shows airplay.  How can I get internal speakers back.

    My mac desktop will not provide sound from internal speakers.  When I go to audio devices window it only shows airplay.  How can I get internal speakers back.

    There are many possible causes for this issue. Take each of the following steps that you haven't already tried. Some may not apply to your model. Back up all data before making any changes.
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    Hi:
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  • No sound from internal speakers in HP Mini

    i can't hear any sound from internal speakers although if i connect headphones or external speakers i can hear sound!

    Hello  @Landon3400 ,
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    For information on finding your product and model numbers click here: How Do I Find My Model Number or Product Number?
    To see which version of Windows you are using click here: Which Windows operating system am I running?
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    Let me know if this helps!
    Please click the "Kudos, Thumbs Up" at the bottom of this post if you want to say "Thanks" for helping!
    Please click "Accept as Solution" if you feel my post solved your issue, it will help others find the solution.
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    I work on behalf of HP.

  • Sound output: keeps changing from internal speakers to Apple TV

    My iMac keeps changing the soudn output from internal speakers to Apple TV. Why. This makes it a pain. Eveytime I use the iMAc, I have to go into preferences>sound>output and switch to internal speakers. Any ideas how to stop this form happeneing?
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    If you use LogMeIn, it is their sound driver.  I'm having identical problem and it started after using LogMeIn.
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  • When I unplug Apple headphones from my MacBook Pro sond from internal speakers not work, and system soud preferences displayed: Output: optical digital out port only

    When I unplug Apple headphones from my MacBook Pro sond from internal speakers not work, and system soud preferences displayed: Output: optical digital out port only

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  • Has anyone experienced a popping sound coming from their speakers after the upgrade to 10.8.5?

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  • My sound switches from internal speakers to apple Tv and i dont have an apple tv device

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    Thx

    1. Reset PRAM.  http://support.apple.com/kb/PH14222
        Do this twice
    2. Reset SMC.     http://support.apple.com/kb/HT3964
        Choose the appropriate method.

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