This is really weird. yesterday, I was using my Nintendo Wiimotes to play a game with dolphin emulator. Today, I turned on my computer, and when I turned on Bluetooth, it said that I didn't have any adapter. I rebooted my computer, but it still said that, and I couldn't see anything from the bluesman manager. I reinstalled everything and then later rebuilt the driver from the latest backports, but it still didn't work. I then booted into an earlier kernel that I was sure worked, and sure enough, it still doesn't work. I don't know what to do, this is ridiculous being that this whole system was working fine for months now. Please let me know what I should do, its really bugging me. Thanks!

matanya@matanya-ThinkPad-P50s:~$ lspci -knn | grep -i -A3 "wireless\|bluetooth\|network"
04:00.0 Network controller [0280]: Intel Corporation Wireless 8260 [8086:24f3] (rev 3a)
    Subsystem: Intel Corporation Wireless 8260 [8086:1130]
    Kernel driver in use: iwlwifi
    Kernel modules: iwlwifi
06:00.0 3D controller [0302]: NVIDIA Corporation GM108GLM [Quadro K620M] [10de:137a] (rev a2)

matanya@matanya-ThinkPad-P50s:~$ rfkill list
0: tpacpi_bluetooth_sw: Bluetooth
    Soft blocked: no
    Hard blocked: no
1: phy0: Wireless LAN
    Soft blocked: no
    Hard blocked: no
3: hci0: Bluetooth
    Soft blocked: no
    Hard blocked: no

Please update your question by adding output of lspci -knn | grep -i -A3 "wireless\|bluetooth\|network".

Also please add output of rfkill list.

If it shows Soft blocked: yes or Hard blocked: yes - try to unblock devices with rfkill unblock all.

Try to run Bluetooth Manager from System->Preferences->Hardware* (or blueman-manager command) and check adapter from Adapter->Preferences.

Also you can try to search around devices with Search button.

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