Linux Mint 17.2를 실행하는 Dell Inspiron 14r N4010에 Bluetooth가 표시되지 않음

Wi-Fi는 잘 작동하지만 블루투스를 사용하려고 하면 "블루투스 어댑터를 찾을 수 없습니다"라는 메시지가 나타납니다. BIOS에서 블루투스가 켜져 있고 무선 카드가 블루투스를 지원한다는 것을 알고 있습니다. 내 노트북의 모델 번호는 다음과 같습니다.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