Ubuntu 21.10 中的蓝牙问题

Ubuntu 21.10 中的蓝牙问题

重启电脑时蓝牙会自动打开。所以一般我每次重启后发现蓝牙关闭时都会手动关闭。但之后就无法再打开了。我试着使用雷柏鼠标。重启笔记本电脑并立即连接时,蓝牙可以正常工作,但如果关闭蓝牙,稍后再尝试打开,它就无法正常工作。用户界面不显示状态。切换都是自相矛盾的。

在此处输入图片描述

有办法解决这个问题吗?

我尝试了在另一个答案中找到的这个命令序列,但没有帮助:

sudo rfkill unblock bluetooth
sudo systemctl stop bluetooth.service
sudo systemctl status bluetooth.service
sudo systemctl restart bluetooth.service

systemctl 状态显示如下:

● bluetooth.service - Bluetooth service
     Loaded: loaded (/lib/systemd/system/bluetooth.service; enabled; vendor preset: enabled)
     Active: active (running) since Sun 2022-01-02 12:47:33 CET; 1s ago
       Docs: man:bluetoothd(8)
   Main PID: 28940 (bluetoothd)
     Status: "Running"
      Tasks: 1 (limit: 18441)
     Memory: 692.0K
        CPU: 21ms
     CGroup: /system.slice/bluetooth.service
             └─28940 /usr/lib/bluetooth/bluetoothd

Jan 02 12:47:33 pc bluetoothd[28940]: Starting SDP server
Jan 02 12:47:33 pc bluetoothd[28940]: Bluetooth management interface 1.20 initialized
Jan 02 12:47:33 pc bluetoothd[28940]: Endpoint registered: sender=:1.76 path=/MediaEndpoint/A2DPSink/sbc
Jan 02 12:47:33 pc bluetoothd[28940]: Endpoint registered: sender=:1.76 path=/MediaEndpoint/A2DPSource/sbc
Jan 02 12:47:33 pc bluetoothd[28940]: Endpoint registered: sender=:1.76 path=/MediaEndpoint/A2DPSink/sbc_xq_453
Jan 02 12:47:33 pc bluetoothd[28940]: Endpoint registered: sender=:1.76 path=/MediaEndpoint/A2DPSource/sbc_xq_453
Jan 02 12:47:33 pc bluetoothd[28940]: Endpoint registered: sender=:1.76 path=/MediaEndpoint/A2DPSink/sbc_xq_512
Jan 02 12:47:33 pc bluetoothd[28940]: Endpoint registered: sender=:1.76 path=/MediaEndpoint/A2DPSource/sbc_xq_512
Jan 02 12:47:33 pc bluetoothd[28940]: Endpoint registered: sender=:1.76 path=/MediaEndpoint/A2DPSink/sbc_xq_552
Jan 02 12:47:33 pc bluetoothd[28940]: Endpoint registered: sender=:1.76 path=/MediaEndpoint/A2DPSource/sbc_xq_552

但蓝牙从未打开或连接到鼠标。

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