Asio.sys Error: 3 Simple Ways to Fix This BSoD

If you’re getting an Asio.sys error on your Windows PC, it’s most likely because the driver is out of date or missing. We’ll show you how to fix that and a couple of more ways to address this error.

Asio.sys handles low-latency audio communication between your computer’s sound hardware and software, ensuring smooth, high-quality audio performance, especially for professional music production and real-time sound applications.

Given how important asio.sys is for audio, let’s get started with the troubleshooting.

How do I fix asio.sys error?

Before starting any core fixes we have put together, you should consider using a specialized BSOD troubleshooter.

1. Update the Universal ASIO driver

1. Press Windows Key + S, then type Device Manager.
   
2. Expand Universal ASIO Driver, right-click on Universal ASIO Driver and select Update driver.
   
3. Once done, restart the PC.

Thankfully, there is another more accessible way to update your drivers. Download third-party software like PC HelpSoft Driver Updater that finds the latest driver versions and automatically replaces the bad ones. It is safer and will save you the time of searching and doing it manually.

Alternatively, if it is missing from your PC, you’ll have to download and install asio driver anew.

2. Run an SFC

A System File Checker is an accessible tool within Windows that can scan and repair your Windows system files.

1. 1. Type cmd in the Search box and click on Run as Administrator to open an elevated Command Prompt window.

   

2. 2. When Command Prompt opens, enter the following command and press Enter: sfc /scannow

   

3. 3. Don’t close Command Prompt or interrupt the repair process. It can take a while, so wait patiently while it completes.

3. Run a complete malware scan

1. Press the Start button, type virus, and select the Virus & threat protection option.
   
2. Choose Scan options.
   
3. Select the Full Scan option.
   
4. Finally, click the Scan now button and wait for the scan to finish.
   

Alternatively, you can run a full system scan using other antimalware tools.

How do I download and install the Realtek ASIO component?

1. Visit the official site for the driver download (this will depend on your computer manufacturer).
2. Once you locate the Realtek ASIO driver, click on download.
   
3. You should then click the downloaded file to install it on your computer.

We also have another guide that focuses on resolving the asio.sys error on Windows, so don’t miss it.

Lastly, tell us what worked for you in the comments section below.