Audio Driver Issue After Windows 10 Update KB4343909
Summary: This article contains information about how to fix audio driver issues after installing Windows 10 Update KB4343909.
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Symptoms
After updating Windows 10, your system audio may stop working, and the Device Manager will have an error for the audio device.

The error may say Code 31 or 38, error message "device drivers could not be installed."
Cause
No cause information is available.
Resolution
Device Manager
The following steps should resolve this issue.
- Open Device Manager. Press the Windows logo key and the R key simultaneously. This should open a Run Box.

- Type
devmgmt.mscand click OK or press Enter. - Device Manager opens.

- In Device Manager, right-click the problem driver and select update driver.
- Choose "Browse my computer for driver software."
- Select "Browse…" and select the folder that is located here: C:\Windows\WinSxS
- Ensure the "Include subfolders" box is selected, then click Next.
- Windows should install drivers successfully.
- Reboot your System.
- Now you can reinstall the Dell audio driver successfully from: Dell.com/Support/Drivers.
Produse afectate
Alienware, Dell All-in-One, Dell Pro All-in-One, Dell Pro Max Micro, Dell Pro Max Slim, Dell Pro Max Tower, Dell Pro Micro, Dell Pro Slim, Dell Pro Tower, Dell Slim, Dell Tower, Inspiron, OptiPlex, Vostro, XPS, G Series, G Series, Alienware
, Dell Laptops, Dell Plus, Dell Pro, Dell Pro Max, Dell Pro Plus, Dell Pro Premium, Inspiron, Latitude, Dell Pro Rugged, Vostro, XPS, Fixed Workstations, Mobile Workstations, Dell Pro Max Micro XE FCM2250, Dell Pro Max Slim XE FCS1250, Dell Pro Max Tower T2 XE FCT2250, Dell Pro Max 16 XE MC16250, Dell Pro Micro Plus XE QBM1250, Dell Pro Slim Plus XE5 QBS1250, Dell Pro Tower Plus XE5 QBT1250
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Article Number: 000123786
Article Type: Solution
Ultima modificare: 14 iul. 2025
Version: 9
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