我有一台运行 Ubuntu budgie 17.10 的戴尔 Inspiron，安装一些更新后没有蓝牙，蓝牙图标没有显示，并且蓝牙管理器显示“未找到蓝牙适配器”，我该如何解决这个问题？
这是输出lspci -nnk | grep -iA3 net; lsusb; dmesg | egrep -i 'blue|firm'
02:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller [10ec:8136] (rev 07)
Subsystem: Dell RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller [1028:0810]
Kernel driver in use: r8169
Kernel modules: r8169
03:00.0 Network controller [0280]: Qualcomm Atheros QCA9377 802.11ac Wireless Network Adapter [168c:0042] (rev 31)
Subsystem: Dell QCA9377 802.11ac Wireless Network Adapter [1028:1810]
Kernel driver in use: ath10k_pci
Kernel modules: ath10k_pci, wl
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 004: ID 0bda:0129 Realtek Semiconductor Corp. RTS5129 Card Reader Controller
Bus 001 Device 003: ID 0bda:568a Realtek Semiconductor Corp.
Bus 001 Device 002: ID 413c:301b Dell Computer Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
[ 0.096643] ACPI: [Firmware Bug]: BIOS _OSI(Linux) query ignored
[ 0.950764] [drm] Finished loading DMC firmware i915/kbl_dmc_ver1_01.bin (v1.1)
[ 8.540527] Bluetooth: Core ver 2.22
[ 8.540536] Bluetooth: HCI device and connection manager initialized
[ 8.540538] Bluetooth: HCI socket layer initialized
[ 8.540539] Bluetooth: L2CAP socket layer initialized
[ 8.540541] Bluetooth: SCO socket layer initialized
[ 8.549686] Bluetooth: HCI UART driver ver 2.3
[ 8.549687] Bluetooth: HCI UART protocol H4 registered
[ 8.549687] Bluetooth: HCI UART protocol BCSP registered
[ 8.549694] Bluetooth: HCI UART protocol LL registered
[ 8.549694] Bluetooth: HCI UART protocol ATH3K registered
[ 8.549695] Bluetooth: HCI UART protocol Three-wire (H5) registered
[ 8.549711] Bluetooth: HCI UART protocol Intel registered
[ 8.549718] Bluetooth: HCI UART protocol Broadcom registered
[ 8.549718] Bluetooth: HCI UART protocol QCA registered
[ 8.549718] Bluetooth: HCI UART protocol AG6XX registered
[ 8.549719] Bluetooth: HCI UART protocol Marvell registered
[ 9.228458] ath10k_pci 0000:03:00.0: firmware ver WLAN.TF.1.0-00267-1 api 5 features ignore-otp crc32 79cea2c7
[ 9.490856] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 9.490857] Bluetooth: BNEP filters: protocol multicast
[ 9.490859] Bluetooth: BNEP socket layer initialized