我尝试从设置中启用，执行sudo /etc/init.d/bluetooth start，，说sudo /etc/init.d/bluetooth restartrfkill list
2: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
我rfkill unblock bluetooth在 rc.local 中设置了蓝牙，但就是无法打开。如果我尝试通过设置中的复选框启用它，复选框会改变状态，但“蓝牙已禁用”文本仍然存在。顺便说一句，是的，我仔细检查了一下，我没有用硬件按钮禁用它。如何让蓝牙在 16.04 上工作？
UPD：请求控制台输出
yxfxmx@yxfxmx-pc:~$ lspci -knn | grep Net -A2; lsusb
13:00.0 Network controller [0280]: Broadcom Corporation BCM43142 802.11b/g/n [14e4:4365] (rev 01)
Subsystem: Hewlett-Packard Company BCM43142 802.11b/g/n [103c:804a]
Kernel driver in use: wl
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 05c8:022a Cheng Uei Precision Industry Co., Ltd (Foxlink)
Bus 002 Device 003: ID 0a5c:216d Broadcom Corp.
Bus 002 Device 005: ID 22b8:2e76 Motorola PCS
Bus 002 Device 002: ID 0458:012b KYE Systems Corp. (Mouse Systems)
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
更新2：
yxfxmx@yxfxmx-pc:~$ dmesg | grep Blue
[ 6.446411] Bluetooth: Core ver 2.21
[ 6.446433] Bluetooth: HCI device and connection manager initialized
[ 6.446438] Bluetooth: HCI socket layer initialized
[ 6.446442] Bluetooth: L2CAP socket layer initialized
[ 6.446450] Bluetooth: SCO socket layer initialized
[ 8.478642] Bluetooth: hci0 command 0x1001 tx timeout
[ 8.827513] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 8.827519] Bluetooth: BNEP filters: protocol multicast
[ 8.827526] Bluetooth: BNEP socket layer initialized
[ 16.474175] Bluetooth: hci0: BCM: Reading local version info failed (-110)
[ 18.478015] Bluetooth: hci0 command 0x1001 tx timeout
[ 26.473545] Bluetooth: hci0: BCM: Reading local version info failed (-110)
UPD3：安装固件后
yxfxmx@yxfxmx-pc:~$ dmesg | grep Blue
[ 6.249804] Bluetooth: Core ver 2.21
[ 6.249829] Bluetooth: HCI device and connection manager initialized
[ 6.249835] Bluetooth: HCI socket layer initialized
[ 6.249839] Bluetooth: L2CAP socket layer initialized
[ 6.249858] Bluetooth: SCO socket layer initialized
[ 8.393500] Bluetooth: hci0 command 0x1001 tx timeout
[ 8.877281] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 8.877286] Bluetooth: BNEP filters: protocol multicast
[ 8.877292] Bluetooth: BNEP socket layer initialized
[ 16.389750] Bluetooth: hci0: BCM: Reading local version info failed (-110)
[ 18.393828] Bluetooth: hci0 command 0x1001 tx timeout
[ 26.390149] Bluetooth: hci0: BCM: Reading local version info failed (-110)
[ 430.267410] Bluetooth: hci0 command 0x1001 tx timeout
[ 438.263237] Bluetooth: hci0: BCM: Reading local version info failed (-110)
[ 438.268233] Bluetooth: hci0: BCM: chip id 70
[ 438.284219] Bluetooth: hci0: BCM43142A
[ 438.284225] Bluetooth: hci0: BCM (001.001.011) build 0000
[ 438.742225] Bluetooth: hci0: BCM (001.001.011) build 0227
[ 438.758225] Bluetooth: hci0: Broadcom 43142 Bluetooth 4.0 Adapter
[ 3600.950603] Bluetooth: hci0: BCM: chip id 70
[ 3600.966645] Bluetooth: hci0: Broadcom 43142 Bluetooth 4.0 Adapter
[ 3600.966653] Bluetooth: hci0: BCM (001.001.011) build 0227
[ 3601.421687] Bluetooth: hci0: BCM (001.001.011) build 0227
[ 3601.437680] Bluetooth: hci0: Broadcom 43142 Bluetooth 4.0 Adapter
答案1
dmesg | grep Blue您能发布和的输出吗lsusb -t？
也可能是与 Unity 不兼容等简单问题，请尝试运行：
sudo apt-get update
sudo apt-get -y install unity-control-center