I had another Win10圆4 guest installed that I had not run for while (pre v12.5.4). However, I followed that one too and could not correct the audio. KB article 2007298, updated 3/12 addresses this issue in general but does not mention the missing audio controller explicitly. I matched every installed sys and inf file in their locations from the working guest to the non-working guest - both match. Moreover, this version of VMWare Tools is missing the C:\Program Files\Common Files\VMWare\Drivers\audio folder :smileyalert: It is also missing on the other, working, Win10圆4 guest. Sad to report that re-installing the drivers manually did not work. On the other hand, if you have a snapshot or backup, you may also choose to not update the Tools for now (that is what I have chosen with the Ubuntu EFI guest).Īssuming, you want to go ahead with the tools update and the audio problem persists, copy this audio driver folder to the updated guest(s) and install manually the audio driver. What I had done to recover the audio on the Windows 10 guests were to update manually the driver of the "Unknown Device" or "Multimedia Audio Controller".Īssuming you have a backup (either from a snapshot or disk backup) or another unaffected VM guest, check to see if you have the C:\Program Files\Common Files\VMWare\Drivers\audio folder in the guest. Lost audio as well on an Ubuntu EFI guest on Fusion (and looked like also lost the ability to set display for any other resolution other than 4:3 aspect ratio). I also lost audio in two Windows 10 Professional 圆4 guests (one on Windows 圆4 Home host and the other on macOS Sierra host on Fusion). Looks like VMWare has messed up big time in this latest update (both in Workstation Pro and Fusion). Can send under separate cover if this is the next path to take. Same results the red X in the system try remains, along with the lone entry for Other Devices "Multimedia Audio Controller".įrom the Windows troubleshooter, I was able to capture the registry settings for the tree and subtrees, but at 35 KB, its a bit long to post in this forum. Next, I manually removed the entry for Other Devices "Multimedia Audio Controller" and went through the VMWare Tools uninstall/re-install process. The red X in the system try remains, along with the lone entry for Other Devices "Multimedia Audio Controller". Reinstalled VMWare tools using the "Typical" option and rebooted again. Device Manager now shows two entries for Other Devices "Multimedia Audio Controller" and "Unknown device". After logging in, I noticed the speaker icon in the system tray is still marked with a red X. References for this type of error harken back to Win XP and Vista days I've tried what I've seen but nothing has worked so far.Īh, were it to be that simple but alas, I removed VMware Tools and rebooted to Guest OS as instructed. I've tried manually installing the driver, but that fails with the message " The installation failed because a function driver was not specified for this device instance". I've rerun the VMWare tools update first Repair, then Modify where I removed the device from both Device Manager and VMWare, rebooted, reinstalled, and the condition persists. Device Manager does not show an entry for Sound, Video, and Game Controllers like the 'good' VM does, but rather an entry for Other Devices where the Multimedia Audio Controller is shown with a yellow triangle and the device status is listed as Code 28, "The drivers for this device are not installed". When clicked, Windows attempts to repair the error and fails. The speaker icon in the system tray is marked with a red X. One of the VMs rolled up just fine, but the other is throwing errors regarding the audio controller. I have two, 64-bit Windows 10 Pro VMs running on a Windows 10 Pro host.
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