Your laptop built-in speakers crackle, pop, or distort, especially when audio starts, volume is high, or a certain app is playing. This guide focuses on built-in Windows laptop speakers rather than headphones or external speakers.
Does This Affect You?
Crackling is often a software mismatch between Windows audio format, the driver, and enhancement effects. Physical speaker damage is possible, but sample rate and driver issues are faster and cheaper to rule out first.
Fix the Sample Rate and Disable Audio Enhancements
This solves many crackling and popping cases.
- Right-click the speaker icon and open Sound settings.
- Under Output, choose the laptop speakers and open device properties, then additional device properties if shown.
- On the Advanced tab, change Default Format. Try 24-bit 44100 Hz if it is currently 48000 Hz or 96000 Hz, or test the reverse if needed.
- Open the Enhancements tab if present and enable Disable all enhancements or Disable all sound effects.
- Click Apply and test the same audio again.
Update or Reinstall the Audio Driver
Do this if crackling started suddenly or after an update.
- Open Device Manager, expand Sound, video and game controllers, and find the audio device, often Realtek Audio or a brand-specific driver.
- Right-click it and choose Update driver.
- If Windows finds nothing, download the latest audio driver from the laptop manufacturer support page for your exact model.
- If the issue began after a driver update, open device Properties > Driver and use Roll Back Driver if available.
- Reinstalling or rolling back audio drivers may mute sound briefly; that is normal and does not affect personal files.
Heavy CPU load can interrupt audio processing and sound like crackling. Check Task Manager while the crackle happens, especially during downloads, video exports, or background updates. Power-saving settings can also cause tiny interruptions on some laptops, so compare behavior on AC power and battery power.
If crackling happens at one specific low volume, persists after fresh drivers and format changes, and also appears in a clean boot or recovery environment, the speaker cone or internal cable may be damaged. That points to hardware repair rather than more settings changes.
Sources
- Microsoft Support – Fix audio problems (2025)
- Dell – Crackling or Popping Sound From Speakers (2025)
- Realtek – Audio Driver Troubleshooting Guide (2024)