Fix ‘CMUSBDAC.sys Blue Screen of Death’ Issue in Windows 10 PC – Guide

The Blue Screen of Death (BSOD) error is a common issue when starting up a computer. It can be caused by various issues, such as the iusb3xhc.sys and volsnap.sys errors, but it also frequently occurs due to the cmusbdac.sys error. This is usually triggered when using a USB microphone or Audio Class C Media USB drive on the computer. The cmusbdac.sys blue screen error indicates an issue with either the USB microphone or C-Media USB Audio Class Drive, both of which can cause this type of error to appear onscreen.

Fix CMUSBDAC.sys blue screen of death in Windows 10

Updating Motherboard Drivers

Users of Windows 10 who experienced a problem were able to fix it by updating their motherboard drivers.

Updating your motherboard drivers to the latest version may stop BSODs caused by CMUSBDAC.sys, according to users who have experienced this issue.

This method is effective for Windows 10 installations that have been upgraded from Windows 7 or 8.1. To manually update your motherboard model, follow the instructions below.

To find the right drivers for your computer, you must first identify your motherboard model. To do this, press Windows key + R to open a Run dialog box, then type ‘msinfo32’ and press Enter to view the system information screen.

To find out your motherboard model, go to the System Summary on the system information screen and check the BaseBoard Product in the right menu.

To ensure your computer is running optimally, visit the official download page of your motherboard’s manufacturer and download the latest drivers.

To fix a computer issue, install the latest version of any missing drivers and restart the device.

Installing ASIO4All

Users of the Blue Snowball microphone may experience incompatibility issues with Windows 10 due to driver issues.

If you’re experiencing issues with CMUSBDAC.sys, unplugging your microphone and replacing the current driver with ASIO4All may be the solution. Follow this guide to get started: temporarily unplug your microphone, then replace the current driver with ASIO4All. This method has been successful in resolving critical flaws caused by CMUSBDAC.sys.

Disconnect the external microphone to ensure optimal sound quality.

Download the latest version of the Asio4All driver by clicking on the link in your browser.

To install Asio4All, double-click the executable and grant administrator access when prompted by the UAC.

After installation, reboot your computer and wait for the startup process to finish.

Check if the issue is resolved by reconnecting the external microphone to the computer.

Uninstalling C-Media USB Audio Class Driver

If you’re running Windows 10, it’s best to check Device Manager for C-Media’s third-party audio drivers. These drivers are partially incompatible with the OS, so it’s recommended to uninstall them and let the generic drivers take their place.

Many users have found success in resolving their audio issues by uninstalling the C-Media USB Audio Class driver from their computer. This fix is especially effective for those who upgraded to Windows 10 from Windows 7 or 8.1. To do this, follow the instructions in Device Manager to uninstall the driver and allow Windows 10’s generic drivers to take over.

Press Windows key + R to open the Run dialog box, then type ‘devmgmt.msc’ and press Enter to launch Device Manager. If prompted by UAC, click Yes to grant administrator access.

In Device Manager, find the list of installed devices and open the drop-down menu for sound, video and game controllers.

Uninstalling the C-Media USB Audio Class driver from the Sound, Video and Game Controllers menu can be done by right-clicking on it and selecting Uninstall Device from the context menu.

Uninstalling the driver and restarting the computer will complete the confirmation process. After restarting, wait for the boot to finish.

The generic drivers have replaced the C-Media USB Audio Class driver, eliminating BSODs caused by the CMUSBDAC.sys file when booting up your computer.

Final note

If you’re experiencing the ‘CMUSBDAC.sys Blue Screen of Death’ issue on your Windows 10 PC, this guide can help. Got questions? Ask us. And don’t forget to share it with your friends!