Audio Crackling / Popping During Gaming
What is this error?
Audio becomes crackly, pops, or distorts during gaming. Caused by audio buffer underruns when the CPU is under heavy load.
Common causes
- DPC latency spikes from GPU or network driver
- audio sample rate mismatch
- USB audio device buffer too small
- CPU overloaded during gaming
- outdated audio driver
How to fix it
- Increase audio buffer size
- update audio and network drivers
- check DPC latency
- set correct sample rate
Too many steps? Crashless can diagnose this automatically — checks your drivers, temps, VRAM, and 400+ known error patterns.
Get free AI diagnosis Detailed analysis
Audio crackling or popping during gaming means your system can't feed audio data fast enough. The audio buffer runs empty briefly, creating a 'pop' or 'crackle'.
How to fix it:
- Check DPC latency with LatencyMon — run it while gaming. If it shows high latency from a specific driver (usually network or GPU), that driver needs updating
- Increase audio buffer size: in your audio software or DAC settings, increase buffer from 128 to 256 or 512 samples
- Set the correct sample rate: right-click speaker icon > Sound Settings > your device > Properties > set to 48000 Hz, 24-bit (matches most games)
- Update Realtek or other audio drivers from your motherboard manufacturer (not Windows Update)
- For USB headsets/DACs: try a different USB port (USB 2.0 ports often have less interference than USB 3.0)
- Disable audio enhancements: Sound Settings > your device > Properties > Spatial Sound > Off
- Close background apps that cause CPU spikes during gaming
- If using Bluetooth audio, switch to wired — Bluetooth adds latency and can crackle under CPU load
When to seek help
If this error keeps happening after trying the fixes above, it may point to a deeper hardware or system issue. Consider professional help if:
- The crash occurs across multiple games or applications
- You see the same error after a clean Windows install
- Your PC is less than a year old (could be a warranty issue)
- You smell burning or hear unusual sounds from your PC
Or let Crashless do the deep analysis for you -- our AI checks drivers, temps, event logs, and 400+ known patterns automatically.
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