When crackling or pop sound occurs, you should check and update the audio driver first. The operation is to open the Device Manager → Sound Device → Right-click to select Update or Uninstall the driver; secondly adjust the power management settings and cancel the "Allow the device to save power" option; then disable the audio enhancement function, enter the device properties → Sound Control Panel → Enhancement tab through the sound settings to check "Disable all enhancements"; finally check external interference such as headphone connection, USB devices, interface replacement and background software impact. Most problems can be solved by updating the driver and adjusting the power settings, which may be hardware problems if persisted.

It is really annoying that there is a crackling sound or a pop of audio in Windows. This situation is usually not because the hardware is broken, but because there is a problem with the setup or driver. The key investigation directions are driver updates, system settings optimization and external interference elimination.

Check and update the audio driver

Most audio exceptions are related to the driver. The drivers that come with Windows may not be fully adapted to your device. It is recommended to go to the motherboard or the official sound card website to download the latest version.

• Open Device Manager → Expand Sound, Video, and Game Controllers
• Right-click your audio device (such as Realtek High Definition Audio) → select "Update Driver"
• If there is no update, you can try "Uninstall the device" and then restart the computer and let the system automatically reinstall it
• Or go to the official website to download and install the latest driver

If you are not sure of the model, you can also use some third-party tools to assist in the detection, such as Driver Booster, Driver Easy, etc., but pay attention to the security of the download source.

Adjust power management settings to avoid interference

Sometimes in order to save power, Windows will automatically turn off the USB port, which may cause intermittent sound from external sound cards or headphones.

Operation steps:

• Or in "Device Manager" → Find your audio device
• Right-click → Properties → Power Management
• Remove the hook before "Allow the computer to turn off this device to save power"

This small setting is ignored by many people, but it is very helpful in solving noise, especially when using USB sound card or Bluetooth headset.

Disable audio enhancement

Some audio enhancements that are enabled by default in Windows will cause sound breaks or delays in some devices.

The processing method is as follows:

• Right-click the taskbar volume icon → “Open Sound Settings”
• Select the output device currently in use → Click "Device Properties"
• Find Sound Control Panel under Related Device Settings
• Double-click your output device → Switch to the Enhancement tab
• Check "Disable all enhancements"

Some systems do not have the "Enhancement" tab, which may be because the driver does not support or has simplified this part of the functionality. If not found, you can also skip it.

Troubleshoot other common sources of interference

Sometimes the problem is not the system itself, but the noise interference caused by external factors:

• Check headphone/speaker connection : loose plugs and oxidation of interfaces can also cause intermittent bursts
• Unplug other USB devices and try it : Especially peripherals with fans and lighting effects may cause electromagnetic interference
• Replace USB port : Some front panels are powered unstable, and the rear interface is more reliable
• Close applications that occupy audio in the background : such as Steam, Discord and other software sometimes preempt audio resources

In addition, if you are using wireless headphones, it may also be a problem of signal interference. Try to stay away from your router or other Bluetooth devices as much as possible.

Basically these common inspection methods. In most cases, updating the driver and adjusting the power settings can solve the problem. If it does not affect daily use, it may be that some settings are not adjusted properly; but if they have always existed, you have to consider whether the hardware is aging or poor line contact.

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