Windows 10 sound disappears when plugging webcam

golfox2

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Hi, Whenever I plug my logitech C270 webcam and launch it, the video works, but the rest of the sound on windows 10 crashes. Also, I've tried with a different webcam (generic brand) and the problem is exactly the same. So I have to reboot the computer to get it to work again. I disabled all audio from the webcam in the sound devices manager, doesn't work. Even the explorer crashes and I can't even open any new folder.

Windows 10 Family version 20H2, installed 07 january 2021
OS version 19042.746

It was working flalessly with windows version 1909 last year before I reinstalled my pc. Except the windows complete reinstall, I don't think I've changed anything else.

EDIT : actually it works when I have a headset for the playback and mic, but on my speakers (plugged in USB, soundcard focusrite 6i6), the playback from everything just stops and indefinitely loads... If I switch back to my headset, sound works again, but if I want to use the soundcard, i have to turn the camera off, unplug it and reboot the computer or restart "windows audio" service in the services.msc panel. Very annoying.

Anyone having similar issue or any idea to solve it please ?

Golfox2
 
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19042.746
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johngalt

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2 things:

  1. When explorer crashes, you should be able to still get Task Manager to open by using the special hot key dedicated to opening it - [CTRL] + [SHIFT] + [ESC] (For anyone not familiar with the terminology, that means hold the CTRL button down, and while holding it down, press and hold the SHIFT button also down, and while holding *both* press the ESCape key). Once you have task manager open, you can go to File --> Run new task, and then type in explorer in the dialog box that pops up and Explorer should come right back, though you may not see *all* of the items in your system tray that you normally do - a quick peruse of Task Manager should show that most all everything is running, though.

  2. What happens if you FIRST disconnect your speakers, then connect the webcam, and finally, reconnect the speakers?
 

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golfox2

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yup i know how to restart the explorer but that is still annoying that it crashes, anyway,
tried multiple times first speakers, then webcam, then again speakers (always through the scarlett 6i6 soundcard in usb), other way around, mixed way around, still doesn't work. But it's random, either the webcam doesn't start and speakers work fine, or webcam starts and audio crashes, then most of the time explorer with it.
 

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johngalt

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Here's an idea, then - as I don't have that particular webcam, I can only guess - but if you go into Device Manager, see if there is an *audio* device for the webcam - and if there is, DISABLE it.

Then reboot and verify that it remains disabled. If so, then start testing again with unplugging the webcam and then plugging back in and seeing if it still remains disabled.

if it does, then see if this fixes the issue - because, from what it sounds like, the webcam audio drivers are failing / conflicting with the external speaker drivers (since they are both, it seems USB, and something isn't right with the USB audio routing).

This will probably be a temporary fix - you'll need to remember it in case Windows pushes an update to the USB audio driver, which may re-enable that audio device on the webcam. A more permanent solution would be to figure out why the 2 USB audio devices are conflicting in the first plce (and that may have to do with a proprietary driver for either the webcam or the speakers). If you can figure that out, and particularly if it *is8 a proprietary driver for one or the other, try simply uninstalling the driver and seeing if Windows replaces it with a generic driver (which may then solve the USB audio routing issue on its own).
 

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golfox2

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I didn't think about the device manager, I've tried, but it doesn't work.
I'll also try with the drivers, uninstalling the webcam drivers, but still doesn't work. Can't have speakers and camera at the same time.
However, with my USB headset, webcam and video actually works together...
I guess the problem comes from the usb soundcard but latest drivers are up dot date ....
 

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johngalt

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It must be. It's odd, but stranger things have happened.

A semi-unique solution would be to buy a USB hub that has buttons on it to enable and disable ports - then plug in *both* web cam and USB sound card to the hub, and remember to simply disable the port that the sound card is plugged into before enabling the port that the webcam is plugged in to. Not sure if the money is worth it when you can simply unplug and plug manually, but it would make it a bit easier, I think.

Another option would be to use a .BAT file to easily stop and restart the Windows audio service - see How to stop and restart Audio Service using a batch file? and Restart Windows Audio Service (with admin permissions, if needed) for some ideas. You could then save the file to your desktop and run it (after setting the file to always run as administrator - see Run as Administrator in Windows 10 for instructions how to set the bat to always run as admin using compatibility settings).

At least now you know that they don't play nicely together and have a plan moving forward.

Sorry I couldn't come up with anything better - I really thought that disabling the audio component of the webcam would fix it.
 

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System One

  • Operating System
    Windows 10 Pro X64
    Computer type
    PC/Desktop
    Manufacturer/Model
    The Beast Model A (homebrew)
    CPU
    AMD Ryzen 9 3950X
    Motherboard
    MSI MEG X570 GODLIKE
    Memory
    4 * Corsair Vengeance 32 GB 3600 MHz
    Graphics Card(s)
    eVGA GeForce GTX 970 SSC ACX 2.0 (04G-P4-3979-KB)
    Sound Card
    Realtek® ALC1220 Codec
    Monitor(s) Displays
    2 * Lenovo LT2323pwA Widescreeen @ 1920*1080
    Hard Drives
    3x Sabrent Rocket PCIe Gen4 NVMe M.2 1 TB SSD (SB-ROCKET-NVMe4-1TB)
    SanDisk Ultra SDSSDHII-960G-G25 960 GB SATA III SSD
    2 * Seagate Barracuda 7200.12 ST31000528AS 1TB 7200 RPM --> RAID1
    PSU
    PC Power & Cooling’s Silencer Series 1050 Watt, 80 Plus Platinum
    Case
    Fractal Design Define 7 XL Dark ATX Full Tower Case
    Cooling
    NZXT KRAKEN Z73 73.11 CFM Liquid CPU Cooler + Air (3 * 140mm fans from case)
    Keyboard
    SteelSeries Apex Pro Wired Gaming Keyboard
    Mouse
    Logitech MX Master 3 Wireless Laser Mouse(shared)
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golfox2

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Thank you very much for your help johngalt, really appreciated. I will do that with the batch file to restart audio services.
Hopefully a future windows update will solve the problem, although I doubt it ...
Have a really nice day !
 

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