Windows 10 Audio drop outs (popping) every few seconds when online/connected to WLAN < high DPC latency < ndis.sys and HDAudBus.sys < WLAN driver < after a Windo

  • Thread starter Thread starter Krzeszny PL
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Krzeszny PL

Audio drops out (stops playing for a split-second - see DPC latency in the screenshot below) every few seconds in any application (but in some applications it's worse than in others), which is certainly a driver incompatibility problem. Please don't ask me to troubleshoot it before you read what I found out so far. There's also a second issue, likely connected with the same driver, but more on that at the end.


The drop outs may stop for a dozen or so seconds and then continue. The issue started in 2020 after one of the mid-year Windows 10 updates and because I found no solutions, I got used to it. It's apparently a known issue but Microsoft never released an update that fixed it.


I went through these suggestions, and without surprise, they didn't help: Why do I have Crackling Audio Sounds but only when I am Online?


The issue persists on 3 different sound cards - integrated, PCI-E and USB, hence it's not a sound card driver problem.

I use mobile internet received from a Realtek RLT8192CE Wireless LAN 802.11n PCI-E NIC network card. I'm sure this problem is caused by the network card's driver becoming incompatible with Windows 10 after a certain 2020 update, because audio stops dropping out as soon as I disconnect from WLAN and resumes dropping when WLAN is connected. I have access only to wireless Internet.


Unfortunately, the newest drivers for this chipset are from 2015: Microsoft Update Catalog


LatencyMon:




Here's a Windows Performance Recorder file. The audio drop outs occurred only at around 2, 4 and 5 seconds into the recording. I was listening to white noise. This is a Light, not a Verbose recording. If you want me to make another one with other settings, just ask.

DESKTOP-VHA2V7H.10-28-2020.23-54-14.7z

I tried going through this recording on my own but since there's no "Unhighlight" option (which would hide processes that were active in a highlited period - the exact opposite of Highlight) I couldn't find anything abnormal at 2, 4 and 5 seconds. Note - in this recording I didn't disconnect WLAN.


Wait, there's more. This month I also started having internet speed problems. After a few hours from boot my internet slows down to a crawl - both upload and download speed, but upload speed often stops altogether, according to speedtest.net and the program GlassWire. Disconnecting and reconnecting to WLAN fixes the issue for some time, but not for as long as restarting the computer does.


What can I do about issues caused by Windows 10 updates? I'll ask Realtek for a new driver for the 8192CE chipset but I don't have high hopes to get it for such an old chipset.

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