Wifi 工作正常，但当我尝试使用蓝牙时，它显示“未找到蓝牙适配器”。我在 BIOS 中打开了蓝牙，并且我知道我的无线卡支持蓝牙。这是我的笔记本电脑的型号：http://www.pcworld.com/product/552981/inspiron-14r-notebook.html
Bus 002 Device 004: ID 8086:0188 Intel Corp. WiMAX Connection 2400m
Bus 002 Device 003: ID 046d:c52f Logitech, Inc. Unifying Receiver
Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 004: ID 0c45:641d Microdia 1.3 MPixel Integrated Webcam
Bus 001 Device 007: ID 413c:8162 Dell Computer Corp. Integrated Touchpad
[Synaptics]
Bus 001 Device 006: ID 413c:8161 Dell Computer Corp. Integrated Keyboard
Bus 001 Device 003: ID 0a5c:4500 Broadcom Corp. BCM2046B1 USB 2.0 Hub (part of BCM2046 Bluetooth)
Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
[ 0.248151] [Firmware Bug]: ACPI: BIOS _OSI(Linux) query ignored
[ 0.265149] [Firmware Bug]: ACPI: No _BQC method, cannot determine initial brightness
[ 12.290100] Bluetooth: Core ver 2.19
[ 12.290129] Bluetooth: HCI device and connection manager initialized
[ 12.290140] Bluetooth: HCI socket layer initialized
[ 12.290144] Bluetooth: L2CAP socket layer initialized
[ 12.290157] Bluetooth: SCO socket layer initialized
[ 12.319209] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 12.319212] Bluetooth: BNEP filters: protocol multicast
[ 12.319222] Bluetooth: BNEP socket layer initialized
[ 12.390067] Bluetooth: RFCOMM TTY layer initialized
[ 12.390085] Bluetooth: RFCOMM socket layer initialized
[ 12.390095] Bluetooth: RFCOMM ver 1.11
[ 12.782452] iwlwifi 0000:03:00.0: loaded firmware version 41.28.5.1 build 33926 op_mode iwldvm
[ 17.925009] i2400m_usb 2-1.5:1.0: firmware interface version 9.3.2
Linux Digv2 3.16.0-38-generic #52~14.04.1-Ubuntu SMP Fri May 8 09:43:57 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
1: i2400m-usb:2-1.5:1.0: WiMAX
Soft blocked: yes
Hard blocked: no