Applies to all audio interfaces on Windows.

Windows caters to many users and applications, and is therefore not configured for optimal audio performance by default. Below are some ways to improve your experience for music production.

You might view this article if you experience these problems:

• Pops, clicks, humming and distorted sounds when you record or playback audio.
• A delay between playing your instrument, speaking or singing into a microphone, and hearing the sound from your speakers and headphones — known as latency.
• Your Windows machine runs slowly or keeps crashing.

We do recommend you complete every possible step, even if they seem irrelevant to any issues you are having.

Basic Tips

Optimise Focusrite software and buffer size

Ensure you have the latest version of the Focusrite driver or control software installed. You can find the latest version for your interface on our Downloads page: Focusrite Downloads.

Additionally, adjusting buffer size is one of the first things to try to improve audio performance.

Here is how to increase the buffer size if you are experiencing glitchy audio:

1. Right-click on Focusrite Notifier on the taskbar and select your device's settings.

If you can’t see the Focusrite notifier on your taskbar, follow the steps in this article: The Focusrite Notifier icon isn't on the Windows taskbar – Focusrite

2. Increase the Buffer Size to 1024.
3. If the performance improves, you can try a lower setting.

If you are unsure what buffer size is and how it affects performance, please refer to this article: Sample Rate, Bit Depth & Buffer Size Explained

Check your USB connection

Use a suitable USB cable for your hardware

Make sure you use a short USB cable, ideally the one in the box with your interface, or a cable shorter than 2 metres or 6 feet that meets this spec: Can I use any USB cable with my Focusrite USB Interface?

Using longer USB cables with your interface can cause dropouts, glitches, or prevent your interface from working.

Ensure your interface has its own dedicated USB port

USB hubs are known to cause issues with audio devices. These issues can include noise, and connection problems. Therefore, avoid using them and connect your interface directly to your computer.

Also, test every USB port on your computer, as performance can vary from port to port.

Avoid USB adaptors

USB adaptors are also known to cause issues with audio devices. Therefore, we recommend using a cable with connectors that can connect directly to your interface and your computer's USB ports. If your audio interface comes with an adaptor in the box, this has been tested to ensure it will not cause the same issues that other adaptors might.

For more information regarding USB cables, hubs and adaptors, please refer to this article: Can I use any USB cable with my Focusrite USB Interface?

Thunderbolt only — Check your Thunderbolt connection

If you are using a Thunderbolt interface, such as Clarett Thunderbolt, please refer to the Clarett Thunderbolt troubleshooting steps. These cover extra steps that are relevant to Thunderbolt interfaces: Clarett Thunderbolt Windows | Troubleshooting Guide.

Close all other background applications

When you run your DAW (Digital Audio Workstation), make sure you close applications you are not using, like these:

• Music streaming apps (Spotify etc.)
• Web browsers (Chrome, Edge etc.)
• Office applications (Word, Excel etc.)

This will prevent background apps slowing your system down, allowing it to focus on the apps you need.

Optimising Hardware

Minimum system requirements

Make sure your PC's hardware meets the system requirements of any software you are intending to use your Focusrite interface with. Here are some examples:

• Ableton Live
• Cubase
• FL Studio
• Pro Tools
• Reaper
• Reason
• Studio One

Hardware recommendations and drivers

Follow the assembly instructions

When assembling or modifying your PC's hardware and components, follow the manufacturer's recommendations. For example, ensure you install the GPU, RAM, and storage drives into the ports recommended.

Update system drivers and BIOS

Install or update the relevant drivers and BIOS for your motherboard, CPU, GPU and other components. To do this, you will need to know the manufacturer and model of the computer or its components, and then download the relevant drivers and BIOS from their website or using their applications.

If you are unsure of the make and model of any components, these can often be found in the manufacturer's applications that will probably be installed on your PC (e.g. NVIDIA Geforce Experience, AMD Software: Adrenalin Edition, ROG Armoury Crate, Gigabyte App Center etc.). These apps may be able to update the drivers for you. You can also find many of your Components in System Information:

Once you have these details, you can check your PC for apps made by the manufacturers, search the web for the manufacturers and models, or contact the manufacturers for help updating.

Manufacturers may provide versions of their drivers designed for stability in professional applications, such as music, audio, and video production. For example, AMD and NVIDIA provide a PRO and Studio version of their GPU drivers respectively, and these may be more stable.

Disable ‘C-states’ in the BIOS

To save energy when the CPU is idle, the CPU can be commanded to enter a low-power mode. Different processors have varying arrays of power modes collectively called ‘C-states’ or ‘C-modes’. Different processors support different numbers of C-states — some don't support C-states at all.

We've found that having C-states enabled can cause adverse performance on some systems. If you're having audio performance issues, we recommend preventing your processor from entering power-saving C-states.

To do this, you will typically need to boot into the BIOS (Basic Input/Output System) of your computer. Please contact the manufacturer of your motherboard if you're not comfortable doing this. Focusrite Technical Support cannot help you tweak BIOS settings, because the BIOS layout and the available options differ greatly from one machine to another.

Optimising Windows

Disable Startup apps

Sometimes your PC will launch apps automatically upon startup. This can negatively affect your computer's performance. To prevent unwanted apps from launching at startup, follow these steps:

1. Right-click Start and open Task Manager.
2. Click Navigation in the top left corner and select Startup apps 
   (Windows 10: select the Startup tab).
3. Resize the window if necessary and click Start-up impact — this will re-categorise the programs in order of high to low.
4. Right-click on any apps that you do not need at startup and select Disable.

Remove bloatware and unwanted apps

Some computers will be sold with applications installed that aren't needed, or sometimes other apps will install additional software to your system that is not required — often referred to as bloatware. This software may run in the background, interfering with audio or using processing power without your knowledge.

To remove unwanted and unnecessary apps, follow these steps:

1. Click Start, type 'Add or remove programs' and select Add or Remove Programs — or click the button below. 

   Open Add or remove programs

2. Scroll through the list of apps that appear, and find any you do not recognise.
3. Enter the name of the app into your web browser to search for it online, so you can confirm what it does and whether it is required.
4. If you confirm that an app is not needed, click … More and then Uninstall
   (Windows 10: select the app and click Uninstall).
5. Repeat these steps for any apps you do not recognise.

Third-party antivirus and anti-malware

Third-party antivirus and anti-malware software (i.e., NOT Windows Security or Defender) can interfere with audio interface driver installation and operation. These programs may mistakenly flag parts of the driver as dangerous during installation or cause glitches afterward by altering the timing of system processes.

You may find using Windows Security and Defender is more stable: Stay protected with Windows Security - Microsoft Support.

Custom power plan

A power plan is a collection of hardware and system settings that manages how your machine uses and conserves power. Creating a custom power plan will prevent any power settings from interfering with audio recording and playback.

Create the power plan

1. Click Start , type ‘Choose a power plan’ and select Choose a power plan.
2. In Power Options window that opens, select Create a power plan from the options on the left-hand side.
3. Select High Performance and enter a Plan name — for example, ‘Audio Workstation’.
4. Click Next.
5. For both, Turn off the display and Put the computer to sleep, select Never.
6. Click Create.

Change the plan settings

You will now be on the Power Options page with your custom power plan selected. Customise the power plan with these steps:

7. Click Change plan settings next to your new custom power plan
8. Click Change advanced power settings.

First, In the Power Options window, disable USB selective suspend for your custom power plan:

9. Expand USB settings, then USB Selective suspend setting.
10. Next to Setting, select Disable.
11. If you have a laptop, instead of Setting, two other options will appear: On battery and Plugged in. Select Disable for both.

Next, to prevent your computer reducing power to PCIe devices, disable PCI Express Link State Power Management:

12. Expand PCI Express, then Link State Power Management.
13. Next to Setting, select Disable.
14. If you have a laptop, instead of Setting, two other options will appear: On battery and Plugged in. Select Disable for both.

Finally, prevent your computer reducing power to the processor:

15. Expand Processor power management, then Maximum and Minimum processor state.
16. Next to Setting, enter 100 for both.
17. If you have a laptop, instead of Setting, two options will appear for both maximum and minimum: On battery and Plugged in. Enter 100 for all options.
18. Click OK.

USB power management settings

This prevents your PC automatically turning off USB ports:

1. Right-click Start and open Device Manager.
2. Expand Universal Serial Bus Controllers.
3. Right-click the first device and select Properties.
4. Go to the Power management tab.
5. Untick Allow the computer to turn off the device to save power.
6. Apply steps 3 to 5 to each device within Universal Serial Bus Controllers — ignore any devices that do not have a Power Management tab.

Disable Exclusive Mode

Windows has a feature that allows some applications to take exclusive control of a device, with the primary purpose of lowering latency. However, it can cause problems if that application does not properly allow other applications access to the driver as well. Therefore, we recommend you disable this feature:

1. Right-click Start and open Settings — or click the button below.

2. Go to System and select Sound. 

   Open Sound Settings

3. Scroll down to Advanced and select More sound settings
   (Windows 10: select Sound control panel).
4. In the Sound window that opens, go to the Playback tab.
5. Right-click on your Focusrite audio device and select Properties.
6. Go to the Advanced tab.
7. Untick Allow applications to take exclusive control of this device — the box beneath will untick automatically.
8. Repeat these steps for every Focusrite device, Then, go to the Recording tab and do the same.
9. Click OK.
10. Reboot your computer to apply the changes.

Disable system sounds

Sometimes system sounds can interrupt your recordings. Here’s how to disable all system sounds:

1. Click Start, type ‘Settings’ and open Settings — or click the button below.

2. Go to System and select Sound. 

   Open Sound Settings

3. Scroll down to Advanced and select More sound settings
   (Windows 10: select Sound control panel).
4. In the Sound window that opens, go to the Sounds tab.
5. Under the Sound Scheme, select No Sounds.
6. Click OK.

Set processor scheduling to Background services

1. Right-click Start and open System — or click the button below. 

   Open System

2. Click Advanced system settings.
3. In the System Properties window, go to the Advanced tab.
4. Under Performance, click Settings….
5. In the Performance Options window, go to the Advanced tab and set Processor scheduling to Background Services.
6. Click OK.

Free up space

Don’t let your computer’s boot drive get too full. Always make sure you leave more than 20% of your computer's main hard drive empty. Here’s how to check how much storage has been used:

1. Click Start, type ‘Settings’ and open Settings — or click the button below.
2. Go to System.

3. Select Storage. 

   Open Storage

The bar will show how much storage has been used and is free. You can remove files you no longer need or move them to external drives and cloud storage.

Disk clean-up

You can also use Disk clean-up to remove temporary files and files or folders you no longer need, saving you a lot of space:

1. Click Start, type ‘Disk Clean-up’ and open Disk Clean-up.
2. Select your C: drive.
3. Tick everything under Files to delete: and click OK.
4. If a box appears asking Are you sure you want to permanently delete these files? Click Delete Files.

5. Go back to Disk Clean-up, select the C: drive again, and click Clean up system files.
6. Select C: drive once more, tick everything again, and click OK — this process may take a while, especially if you’ve never done this before.
7. If a dialogue box appears asking Are you sure you want to permanently delete these files?, click Delete Files.

If you find you are experiencing glitchy audio, dropouts, or disconnections after completing all the steps above, please see our glitchy audio troubleshooting guide:

Troubleshooting glitchy audio on Windows