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Installation • WiFi channels visible but connection impossible on Debian 12 MATE and XFCE

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I'm traditionally a Debian MATE user - I write these lines from my main computer, running Debian 12 MATE. Whenever I want to try Linux on a "new old" computer, I try Debian MATE first.

I have tried to do the same on a Lenovo mini laptop currently running "the other OS". It's a bit underpowered (1.3Ghz 64-bit processor, 2GB RAM) but within the specs. Live USB is a bit slow to boot but gets there eventually. However, there is a very peculiar problem: I can see the available WiFi channels (my own among them), but when trying to connect, after supplying my password (double- and triple-checking with "show password" that is correct), there is a short attempt to connect and then I am shown the password prompt again. Meanwhile, the WiFi icon on the taskbar shows the "trying to connect" animation. If I try to resubmit the password, nothing happens. After a while the "disconnect" icon is shown on the taskbar, and clicking (left- or right-click) on it is no longer responsive. That is, I can't even display the channel list anymore.

This has happened both with Debian 12 MATE and Debian 12 XFCE (parenthetically, I've also tried LXDE which has all sorts of other WiFi issues; can't even start the network manager)

For reference, I have tried Puppy Bookworm and Bodhi on this device and WiFi works fine out of the box. I would really prefer to use Debian though. Any ideas? Thanks!

Statistics: Posted by JohnWasRight — 2024-01-20 13:17 — Replies 6 — Views 122



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