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libertynoir
1 Copper

Dell AC511 not recognised on Windows 10 Technical Preview

I have been using my Dell U2414H monitor and AC511 soundbar on Windows 10 TP for several months without issue. However, as of the last update, the soundbar is no longer recognised as itself, but instead as 'USB Audio Device' using the generic Microsoft drivers in Device Manager. This results in low-level, but quite annoying background noise or hum.

I have tried unplugging, replugging and switching the USB cables, uninstalling the USB Audio Device in Device Manager and replugging etc, to no avail. Frustratingly, the picture of the Soundbar often comes up in the Taskbar, but the correct driver fails to install.

I would like to try manually installing the driver using the 'Have disk' function, but since the driver for the Soundbar is WHQL signed, there isn't a download.

Could Dell make the driver package available as a download?

Or could an enterprising person with a working soundbar locate the driver files and package them?

Thanks a lot in advance for the help!

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15 Replies
Dell-Ashwin N
1 Copper

RE: Dell AC511 not recognised on Windows 10 Technical Preview

Hi LibertyNoir,

Job well done on the troubleshooting part. As for the Windows 10 technical preview, this is only the BETA vesion and drives for the same are not available as of yet. You would have to wait for the complete windows 10 version to get the drivers from the manufacturer.

Ashwin N
Social Media and Community Professional
Order Status : http://dell.to/1fgKSTr
Download Drivers : http://dell.to/1hcxG98

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Dell-Ashwin N
1 Copper

RE: Dell AC511 not recognised on Windows 10 Technical Preview

Further to the previous response, I did check with the concerned team and for the AC511 sound bar the compatible versions of operating system are Windows 7 & 8.

Ashwin N
Social Media and Community Professional
Order Status : http://dell.to/1fgKSTr
Download Drivers : http://dell.to/1hcxG98

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libertynoir
1 Copper

RE: Dell AC511 not recognised on Windows 10 Technical Preview

Thanks very much for your replies. I understand that drivers for Windows 10 TP might not be available, since the OS is in Beta (hopefully they will be available on full release!).

However, I would still like a copy of the driver for Win 8, so that I can attempt to roll back the present Win 10 driver to what it was previously, which I imagine was a Win 8/8.1 driver. This did work very well on earlier, less stable, builds of Win 10, for several months.

WHQL drivers are great because they involve no fuss etc, but it would still be good to make downloadable versions available for manual install in the event of problems.

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Dell-Ashwin N
1 Copper

RE: Dell AC511 not recognised on Windows 10 Technical Preview

These drivers are native and are not downloadable. Thank you for the feedback on the WHQL drivers. We will surely have this passed on to the technical teams for future improvement.

Ashwin N
Social Media and Community Professional
Order Status : http://dell.to/1fgKSTr
Download Drivers : http://dell.to/1hcxG98

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pragmaticron
1 Copper

RE: Dell AC511 not recognised on Windows 10 Technical Preview

The problem continues as of this date 12/17/15.  I have a new XPS 8900 running Win 10 Pro and same monitor (U2424H) & soundbar (AC511).  Numerous attempts to get the soundbar working by Dell tech support have been unsuccessful.  BTW, the sound bar works great on my old XPS 410 running Win XP Pro.

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tiger60bb
1 Copper

RE: Dell AC511 not recognised on Windows 10 Technical Preview

I also have the new XPS8900, Windows 10,U2414H monitor with Dell AC 511 USB Soundbar, the soundbar is recognized properly by windows upon plugging into the usb port on the moitor but is immediately followed by "driver error", further troubleshooting indicates configuration error, reinstall of the driver does not correct the problem, deeper into the analysis indicates configuration error and further resolution needed, the real irony comes from the final recommendation to go to the manufacturer's website for possible resolution.  Of course, since Dell has the soundbar as a plug and play device there is no driver from them and they indicate it is a Microsoft problem which of couse is is based on MS own troubleshooting facts.  Until the driver configuration problem is corrected the soundbar will not work as designed, after spending 3 sessions with MS Chat it is still left up to me to resolve the issue which of course is not possible because I am not able to alter the configuration code which is causing the problem.  I have seen this similar problem posted from numerous users and still no resolution from MS, what does it take to get them to fix an obvious problem identified by their own troubleshooter?

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pragmaticron
1 Copper

RE: Dell AC511 not recognised on Windows 10 Technical Preview

After a month of continuous complaining about my XPS 8900 with U2414H Monitor and AC 511 Soundbar, Dell finally sent me a second Soundbar to try and guess what...THIS ONE WORKED!

I don't know if revisions were made to the Soundbar or if the one I first received was defective.

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tiger60bb
1 Copper

RE: Dell AC511 not recognised on Windows 10 Technical Preview

Thank you for the info, yesterday I ordered a new soundbar from Best Buy which should arrive in a couple of days.  I will be interested to find out if I have the same good fortune you did with a new soundbar.  I will be happy to return the defective one to Dell and get them to admit the device driver error is indeed caused by a defective soundbar.

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7- Thorium

RE: Dell AC511 not recognised on Windows 10 Technical Preview

The USB soundbar uses WHQL drivers.  There is no defective based on WHQL drivers of the Generic USB Audio.

Preview versions of windows 10 are Not WHQL certified and therefore will not have drivers.

Dell NCW95  AC511 USB Soundbar has passed WHQL logo testing by Microsoft Windows Hardware Quality Labs. For windows 7 and 8.

There is an additional cable that goes from the monitor to a usb port on the computer.  You must then turn it on and adjust volume.

http://ftp.dell.com/Manuals/all-products/esuprt_electronics/esuprt_speakers/dell-usb-soundbar-ac511_...

 There is an issue based on USB3 but this is up to microsoft to fix.

More of a work-around. First, connect the speaker to the monitor hub, then plug the hub's USB cable into a USB 2 port (not 3 !!) on the computer. Windows should then recognize the soundbar and may, if necessary, install a driver. Next, launch Windows control panel and select the "sound" dialog. The soundbar should appear on a list of playback devices. Click on it to set it as the default system speaker. A green-circled check mark will confirm this. Click "OK" to close the dialog. The  soundbar should work now.


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