when i use hcitool devsudo hcitool devDevices:rfkill list0: acer-wireless: Wireless LAN        Soft blocked: no        Hard blocked: no1: acer-bluetooth: Bluetooth        Soft blocked: no        Hard blocked: no2: phy0: Wireless LAN        Soft blocked: no        Hard blocked: noMy kernel:3.16.0-4-amd64lsmod | grep -i bluebluetooth             374429  6 bnep,btusb6lowpan_iphc           16588  1 bluetoothrfkill                 18867  6 cfg80211,acer_wmi,bluetoothcrc16                  12343  2 ext4,bluetoothdmesg:dmesg | grep -i firmware[    0.166480] [Firmware Bug]: ACPI: BIOS _OSI(Linux) query ignored[    9.257608] [Firmware Bug]: battery: (dis)charge rate invalid.[   10.691014] psmouse serio1: elantech: assuming hardware version 3            (with firmware version 0x550f01)[   11.742351] [Firmware Bug]: ACPI(PEGP) defines _DOD but not _DOSfor bluetoothdmesg | grep -i blue[   11.300428] Bluetooth: Core ver 2.19[   11.300445] Bluetooth: HCI device and connection manager initialized[   11.300452] Bluetooth: HCI socket layer initialized[   11.300454] Bluetooth: L2CAP socket layer initialized[   11.300464] Bluetooth: SCO socket layer initialized[   84.877650] Bluetooth: BNEP (Ethernet Emulation) ver 1.3[   84.877653] Bluetooth: BNEP filters: protocol multicast[   84.877658] Bluetooth: BNEP socket layer initializedbluetooth status:bluetooth.service - Bluetooth service Loaded: loaded (/lib/systemd/system/bluetooth.service; enabled) Active: active (running) since  2016-03-29 19:11:14 MSK; 1h 21min ago Docs: man:bluetoothd(8) Main PID: 1470 (bluetoothd) Status: Running CGroup: /system.slice/bluetooth.service       1470 /usr/lib/bluetooth/bluetoothd  29 19:11:14 debian bluetoothd[1470]: Bluetooth daemon 5.23  29 19:11:14 debian bluetoothd[1470]: Starting SDP server  29 19:11:14 debian bluetoothd[1470]: Bluetooth management interface      1...d Hint: Some lines were ellipsized, use -l to show in full.output for lspci -knn | grep Net -A2; lsusb:02:00.0 Ethernet controller [0200]: Broadcom Corporation NetLink BCM57785 Gigabit Ethernet PCIe [14e4:16b5] (rev 10)    Subsystem: Acer Incorporated [ALI] Device [1025:0647]    Kernel driver in use: tg3--03:00.0 Network controller [0280]: Qualcomm Atheros AR9462 Wireless Network Adapter [168c:0034] (rev 01)    Subsystem: Foxconn International, Inc. Device [105b:e052]    Kernel driver in use: ath9kBus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching HubBus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hubBus 001 Device 004: ID 1bcf:2c18 Sunplus Innovation Technology Inc. Bus 001 Device 005: ID 0489:e04e Foxconn / Hon Hai Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching HubBus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hubBus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hubBus 003 Device 003: ID 0000:0538  Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root huboutput modinfo:alias:          usb:v0489pE04Ed*dc*dsc*dp*ic*isc*ip*in*modprobesudo modprobe ath3k - doesn't say anythingfor in:for i in /etc/modprobe.d/*; do echo $i; cat $i | grep ath3k; done/etc/modprobe.d/ath3k.confblacklist ath3k/etc/modprobe.d/bumblebee.conf/etc/modprobe.d/dkms.conf/etc/modprobe.d/fbdev-blacklist.conf/etc/modprobe.d/intel-microcode-blacklist.conf/etc/modprobe.d/modesetting.confP.S. if it help... notebook - Acer aspire v3-571g
Debian8(jessie) doesn't detect bluetooth
debian;bluetooth