A few months ago, I upgraded my PC with an MT7922 WiFi card after experiencing problems with the built-in WiFi on my motherboard. Recently, I've noticed that my PC sometimes starts lagging and loses its WiFi connection. I did a hard reset and switched to booting everything from an SSD, which seemed to help for a while, but now the issues have returned. I couldn't find much information about this problem online, and my local tech store didn't have any answers either. I discovered that the MT7922 is known for crashing PCs and disappearing from device manager. I'm hoping to find out if these claims are true and if my new WiFi card could indeed be the source of my problems. For context, my specs are: Ryzen 5 5600 processor, 48 GB of RAM, AMD Radeon 6650 XT GPU, and an X470 Aorus Gaming 5 WiFi motherboard.
2 Answers
That sounds frustrating! I've seen issues where the system gets choppy, especially during large downloads. It's interesting that this started after you installed the new card. It could be triggering your issues, but also double-check that all your drivers are up-to-date. That alone can often solve a lot of connection problems.
I've had a lot of experience with MediaTek WiFi cards, and honestly, they tend to cause more headaches than other brands. Users often report unreliable connections and sometimes even system crashes. While I haven't specifically heard of the MT7922 causing choppiness, it’s not impossible. Have you tried removing the adapter to see if the performance improves without it?
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