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蓝牙在 ubuntu 18.04 上不起作用（戴尔 inspirion 11 3148）

tag-icon • tag-icon drivers 18.04 bluetooth
蓝牙在 ubuntu 18.04 上不起作用（戴尔 inspirion 11 3148）

最近我进行了 Windows 10 和 Ubuntu 18.04 的双启动，但遇到了蓝牙无法发现设备的问题。它只是一直在搜索设备。但是，蓝牙在其他设备上可见。

我几乎尝试了所有能找到的方法。我尝试了以下方法：

  1. ubuntu 18.04 LTS 蓝牙 [0cf3:3004] 发现不起作用
  2. https://www.devmanuals.net/install/ubuntu/ubuntu-16-04-LTS-Xenial-Xerus/how-to-install-bluetooth.html

跑步：

lspci -nnk | grep -iA3 net; lsusb; rfkill list; uname -r; dmesg | egrep -i 'blue|firm'

给出：

01:00.0 Network controller [0280]: Broadcom Inc. and subsidiaries BCM43142 802.11b/g/n [14e4:4365] (rev 01)
    Subsystem: Dell BCM43142 802.11b/g/n [1028:0018]
    Kernel driver in use: wl
    Kernel modules: bcma, wl
Bus 001 Device 003: ID 0a5c:216a Broadcom Corp. 
Bus 001 Device 002: ID 8087:8000 Intel Corp. 
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 002 Device 004: ID 04f3:0396 Elan Microelectronics Corp. 
Bus 002 Device 003: ID 0c45:64cb Microdia 
Bus 002 Device 002: ID 0483:91d1 STMicroelectronics Sensor Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
0: hci0: Bluetooth
    Soft blocked: no
    Hard blocked: no
1: phy0: Wireless LAN
    Soft blocked: no
    Hard blocked: no
2: brcmwl-0: Wireless LAN
    Soft blocked: no
    Hard blocked: no
5.4.0-74-generic
[    0.010558] Spectre V2 : Enabling Restricted Speculation for firmware calls
[    0.059276] ACPI: [Firmware Bug]: BIOS _OSI(Linux) query ignored
[    4.629272] Bluetooth: Core ver 2.22
[    4.629302] Bluetooth: HCI device and connection manager initialized
[    4.629307] Bluetooth: HCI socket layer initialized
[    4.629310] Bluetooth: L2CAP socket layer initialized
[    4.629314] Bluetooth: SCO socket layer initialized
[    4.848235] Bluetooth: hci0: BCM: chip id 70
[    4.849239] Bluetooth: hci0: BCM: features 0x06
[    4.963369] Bluetooth: hci0: VANP-Inspiron-11-3148
[    4.964282] Bluetooth: hci0: BCM43142A0 (001.001.011) build 0000
[    4.969977] bluetooth hci0: Direct firmware load for brcm/BCM43142A0-0a5c-216a.hcd failed with error -2
[    4.969981] Bluetooth: hci0: BCM: Patch brcm/BCM43142A0-0a5c-216a.hcd not found
[    6.805812] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[    6.805815] Bluetooth: BNEP filters: protocol multicast
[    6.805822] Bluetooth: BNEP socket layer initialized
[    6.984108] Bluetooth: hci0: command 0x1003 tx timeout
[    6.986230] Bluetooth: hci0: unexpected event for opcode 0x1003
[   21.246799] Bluetooth: RFCOMM TTY layer initialized
[   21.246805] Bluetooth: RFCOMM socket layer initialized
[   21.246811] Bluetooth: RFCOMM ver 1.11

蓝牙窗口固定如下图所示，并且不会改变：

蓝牙窗口

我是 Linux 新手，因此请尝试详细说明您可能建议的任何命令。

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