this post was submitted on 09 Jul 2025
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Steam Deck

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I mostly use the deck in desktop mode recently as my laptop died and I have it hooked up to a dock with monitor and keyboard.

I'm having a bunch of networking issues lately. Basically the network becomes incredibly unstable after some time and a reboot fixes it. Restarting networking through systemd does not fix the issue. Same with disable / enable networking in the dropdown.

Ping is going as high as 10,000ms where after a reboot it's 14ms and I'm getting 5-15% packet loss.

The router is about 7 metres away (22 feet or so).

I do suspend quite a bit. System is fully up to date. Just rebooted and now it's fine.

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[–] [email protected] 14 points 2 days ago (4 children)

I've had this issue with a crappy monitor. Whenever I plugged my laptop into the HDMI cable to that particular monitor, the WiFi practically died. I think it's because the cable or the monitor acted like an antenna, but a properly shielded cable shouldn't be doing that anyway, so who knows what the culprit is. All I know is it was either the old monitor or the cable itself.

I'd start by slowly excluding the hardware one by one. It you're using some third party dock, that dock could very well be the reason why the WiFi dies.

[–] [email protected] 1 points 1 day ago

You can also try a quick and dirty fix, by slapping a ferrite bead on the HDMI cable. That’s an old trick from the analog world. Depending on how it is picking up interference, this may easily fix it without needing to rebuild your entire setup. Worst case scenario, you’re only out like 10 cents for the bead.

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