How to Resolve Sound Issues on Your Computer

Introduction

Sound issues on a computer can be extremely frustrating, especially when watching videos, participating in important meetings, or simply listening to music. Fortunately, most problems can be resolved by consistently following a few simple yet effective steps. In this guide, you will find a clearly laid-out plan to quickly identify and eliminate sound disturbances in the Windows operating system, starting with automatic diagnostics and ending with driver or service recovery.

1. Automatic Sound Diagnostics

Use the Windows Sound Troubleshooter

If you are using Windows 11, the first step is to run the automated sound troubleshooter in the Get Help app. It automatically performs checks, identifies common errors, and often resolves them immediately.

How to run the troubleshooter:

Open the Get Help app from the Start menu or search.
Type sound troubleshooter in the search bar and follow the instructions.
Allow the tool to perform checks and apply the suggested fixes.

If you are using an older version of Windows or a mobile device, proceed to the general troubleshooting steps described below.

2. General Sound Troubleshooting Steps

Comprehensive Guide

If the automatic diagnostics did not help or the problem persists, the following systematic plan will help you check the main causes and restore normal sound functionality.

Step 1. Check Speaker Output

An incorrectly selected output device is a common reason for no sound. Your computer may have multiple devices (built-in speakers, headphones, monitor via HDMI/DisplayPort, Bluetooth headphones), so make sure the correct one is active.

Follow these steps:

Click the sound icon in the taskbar.
Click the arrow next to the sound slider and select the desired device from the list that appears.
If you are using Bluetooth headphones, check that they are connected and the correct profile (music/media) is selected.

Step 2. Run Additional Sound Diagnostics

It is useful to use the Windows diagnostic tools again through system settings – they check services, drivers, and configuration.

How to do this:

Go to Start > Settings > System.
Select Troubleshoot > Other troubleshooters.
In the Playing Audio section, click Run and follow the wizard’s instructions.

Step 3. Check Windows Updates

System updates often fix software bugs, including those related to sound. Check if Windows is updated, and if necessary, install optional (custom) driver updates.

Follow these steps:

Open Start > Settings > Windows Update.
Click Check for updates and install the suggested ones.
If Optional updates (e.g., audio drivers) are shown, install them and restart your computer.

Step 4. Check Cables, Connections, and Device Links

Physical connections are a common cause of no sound. Loose or damaged cables, incorrect jacks, or monitors without speakers can confuse the system.

Checking tips:

Ensure that 3.5 mm jacks, USB, or HDMI/DisplayPort cables are fully inserted into the correct ports (green – output, pink – microphone).
Inspect cables for damage; if necessary, try a different cable or port.
If using a monitor via HDMI/DP, check if the monitor has built-in speakers and if they are turned on.

Step 5. Review Sound Settings

Incorrect software settings can mute sound or redirect it to another device.

Right-click the sound icon and select Sound settings.
Ensure the selected device is not muted and the volume is sufficient.
In the Output section, select Where to play sound and specify the correct device; if necessary, check App volume and device preferences.
If sound playback is distorted, disable Spatial sound and check again.

Step 6. Update or Reinstall Audio Drivers

Outdated or corrupted drivers are one of the most common causes of problems.

Open Device Manager.
Expand Sound, video and game controllers.
Right-click your audio device (e.g., Realtek, Intel SST, headphones, or speakers) and select Update driver – choose Search automatically.
If that doesn’t help, uninstall the device (with driver software) and restart your computer – Windows will install a generic driver, or download the latest version from the manufacturer’s website.

Note: Save your work before making changes – a restart may be required.

Step 7. Set the Audio Device as Default

If you are using multiple devices, an incorrectly selected default device may redirect sound where it shouldn’t go.

Open sound settings.
Select the desired device and set it as default.
If the default is a monitor without speakers, switch to physical speakers or headphones.

Step 8. Disable Audio Enhancements

Enabled audio enhancements (APO) can sometimes cause incompatibilities or distortions.

Go to Settings > System > Sound and select your device.
Open Device properties > Additional device properties.
In the Enhancements or Advanced tabs, check Disable audio enhancements and check the result.

Step 9. Restart Audio Services

Sometimes Windows audio processes temporarily “hang.” Restarting them restores the connection to devices.

Open Services via search.
Find Windows Audio, Windows Audio Endpoint Builder, and Remote Procedure Call (RPC).
Right-click to Restart each service.

Step 10. Test Different Audio Formats

An incorrectly selected default format (sample rate/bit depth) can lead to silence or crackling.

Open Control Panel and select Sound.
Right-click the default device > Properties > Advanced tab.
Change Default Format to a different combination (e.g., 24-bit, 48000 Hz), click OK, and check.
If necessary, uncheck “Allow applications to take exclusive control of this device” (Exclusive mode).

Step 11. Restart Your Computer

Many fixes take effect only after a restart.

Save your work and close applications.
Select Start > Power > Restart and wait for the system to reboot.

Step 12. Check IDT High Definition Audio CODEC

In some computers, issues are caused specifically by the IDT High Definition Audio CODEC. Switching to the generic High Definition Audio Device driver or reinstalling the manufacturer’s driver can help.

Open Device Manager and expand Sound, video and game controllers.
Find IDT High Definition Audio CODEC, click Update driver > Let me pick from a list of available drivers and select High Definition Audio Device.
If necessary, uninstall the IDT device and reinstall the latest manufacturer driver after rebooting.

Step 13. Microphone Privacy Settings

If the microphone is not working, especially in specific applications, check the privacy permissions.

Open Start > Settings > Privacy & Security.
In the App permissions section, select Microphone.
Enable Microphone access and Allow apps to use the microphone; if necessary, enable permission for a specific app or browser.

Need help with your device?

If your phone, computer, or tablet is not working properly, bring it to Fixas. We perform fast diagnostics and often complete repairs within 1–3 hours.

Book a repair