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树莓派4B wifi问题

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树莓派4B wifi问题

一段时间以来，我的树莓派无法连接到我家的无线网络。它已经运行良好相当长一段时间了，唯一可能影响它的是系统更新。它有树莓派操作系统。我已检查 SSID 和密码并确认它们是正确的。 ip a 的输出：

-- snip --
3: wlan0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast state DOWN group default qlen 1000
    link/ether e4:5f:01:0f:3d:bd brd ff:ff:ff:ff:ff:ff

sudo wpa_supplicant -c /etc/wpa_supplicant/wpa_supplicant.conf -i wlan0 的输出

Successfully initialized wpa_supplicant
wlan0: Trying to associate with SSID 'Arrakis'
wlan0: CTRL-EVENT-ASSOC-REJECT bssid=00:00:00:00:00:00 status_code=16
wlan0: Trying to associate with SSID 'Arrakis'
wlan0: CTRL-EVENT-ASSOC-REJECT bssid=00:00:00:00:00:00 status_code=16
wlan0: Trying to associate with SSID 'Arrakis'

同样的事情不断重复。任何想法表示赞赏。

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