bluetooth is not detected in lenovo b40-70 laptop in ubuntu 14.04 . i have tried installing bluetooth manager and it shows bluetooth adapter not found.
my lsusb output :
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 138a:0011 Validity Sensors, Inc. VFS5011 Fingerprint Reader
Bus 002 Device 003: ID 0cf3:3004 Atheros Communications, Inc.
Bus 002 Device 002: ID 5986:0652 Acer, Inc
Bus 002 Device 005: ID 12d1:1f01 Huawei Technologies Co., Ltd.
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
i have also tried rfkill unblock all but nothing works ....i do not want to switch to windows again as this laptop is giving me hell of a problem and this is one among them.