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As you suggested I uninstalled both the sound and modem drivers. I too lost audio when I reinstalled Vista Premium. Then try to disable it. Even before the recommended reboot the audio started working again. To support the running costs of this site, as well as the costs of test hardware needed to keep the guides up to date.

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Inspiron – Windows 7 and 32 Bit – The Unofficial Windows 10 Reinstallation Guide

In any case, things appear back to normal now. May 31, 4: Thank you so much for this advise as it fixed the problem I had. I suggest posting your question in the correct forum at the link below: My kid is home from LSU with a laptop with no sound. Anyway, when I got everything back up almost nothing worked I think it was a Windows 8.

All of these things may – in some cases they apparently do not – result audi correction of the basic problem by forcing the correct selection of the default device. Control Panel, then click: This was helpful 1.

Next attempt was running the Dell diagnostics CD. Just reloading Windows isn’t enough. Yes, I rebooted after install.


Refer to the Service Manual when performing hardware upgrades. To support the running costs of this site, as well as the costs of test hardware needed to keep the guides up to date. Thanks again for doing the leg-work on this fix! First attempts at fixing were the basic uninstall of the driver to have Windows reinstall.

Disabling the modem and downloading new drivers seems to have repaired the problem.


How do i force an update? So essentially, if you are troubleshooting Audio issues and all basic troubleshooting fails, try removing the Modem drivers and see if that helps! Beyond installing the driver on the Dell site I went thru the process e1550 times just to make surewhat next can we try to help resolve this?

Thank you very much for your helpful advice. I was haveing issues with my sound “no audio output device is installed” so after reading a lot of solutions to the issue i tried the one you suggested and bammm it worked this is how I did it step by step: That’s exactly how I did it and worked for me I restarted the computer and everything was back to normal. Advertisements or commercial links.

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So, I skipped straight to the last step of getting rid of both the sigma driver and the modem driver, and when I rebooted, the computer installed BOTH automatically This time it worked!


Same problem with audio; same fix disabling modem works. This post has been flagged and will be sigmqtel by our staff. You two,tbarron7 and Jflynn33, are lifesavers. Flaming or offending other users Illegal activities: I got this by going to the device manager and telling it to get the driver from Windows Update. I now recall that after I finished the Vista “Upgrade Anytime” that it automatically re-installed the modem driver and this is when my audio stopped working.

Inspironn tried everything such as reinstalling drivers etc but when I removed the modem my audio worked perfectly with the driver. However, if I went to the speaker icon on the bottom right there was a x on the speaker indicating it was not working.

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