No Bluetooth adapters found - Linux Mint 19

[Oddysee]

I tried /etc/init.d/bluetooth status to see if it was working and got the following but it still says "No Bluetooth adapters found". Any help would be appreciated.

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● bluetooth.service - Bluetooth service
   Loaded: loaded (/lib/systemd/system/bluetooth.service; enabled; vendor preset
   Active: active (running) since Tue 2018-10-09 09:18:33 BST; 19min ago
     Docs: man:bluetoothd(8)
 Main PID: 1211 (bluetoothd)
   Status: "Running"
    Tasks: 1 (limit: 2132)
   CGroup: /system.slice/bluetooth.service
           └─1211 /usr/lib/bluetooth/bluetoothd

Oct 09 09:18:33 luke-HP systemd[1]: Starting Bluetooth service...
Oct 09 09:18:33 luke-HP bluetoothd[1211]: Bluetooth daemon 5.48
Oct 09 09:18:33 luke-HP systemd[1]: Started Bluetooth service.
Oct 09 09:18:33 luke-HP bluetoothd[1211]: Starting SDP server
Oct 09 09:18:33 luke-HP bluetoothd[1211]: Bluetooth management interface 1.14 in
...skipping...
● bluetooth.service - Bluetooth service
   Loaded: loaded (/lib/systemd/system/bluetooth.service; enabled; vendor preset
   Active: active (running) since Tue 2018-10-09 09:18:33 BST; 19min ago
     Docs: man:bluetoothd(8)
 Main PID: 1211 (bluetoothd)
   Status: "Running"
    Tasks: 1 (limit: 2132)
   CGroup: /system.slice/bluetooth.service
           └─1211 /usr/lib/bluetooth/bluetoothd

Oct 09 09:18:33 luke-HP systemd[1]: Starting Bluetooth service...
Oct 09 09:18:33 luke-HP bluetoothd[1211]: Bluetooth daemon 5.48
Oct 09 09:18:33 luke-HP systemd[1]: Started Bluetooth service.
Oct 09 09:18:33 luke-HP bluetoothd[1211]: Starting SDP server
Oct 09 09:18:33 luke-HP bluetoothd[1211]: Bluetooth management interface 1.14 in

[Oddysee]

Umm, anyone?

[JeremyB]

Post results for

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lspci -nnk | grep -iA3 net; lsusb; dmesg | egrep -i 'blue|firm'

[Oddysee]

Here it is:

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02:00.0 Network controller [0280]: Ralink corp. RT3290 Wireless 802.11n 1T/1R PCIe [1814:3290]
	Subsystem: Hewlett-Packard Company Ralink RT3290LE 802.11bgn 1x1 Wi-Fi and Bluetooth 4.0 Combo Adapter [103c:18ec]
	Kernel driver in use: rt2800pci
	Kernel modules: rt2800pci
--
04:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller [10ec:8136] (rev 07)
	Subsystem: Hewlett-Packard Company RTL810xE PCI Express Fast Ethernet controller [103c:220f]
	Kernel driver in use: r8169
	Kernel modules: r8169
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 004: ID 04f2:b40e Chicony Electronics Co., Ltd HP Truevision HD camera
Bus 001 Device 003: ID 1a40:0101 Terminus Technology Inc. Hub
Bus 001 Device 002: ID 1c4f:0003 SiGma Micro HID controller
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
[    0.901433] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge
[    2.616754] [Firmware Bug]: battery: (dis)charge rate invalid.
[   21.502739] Bluetooth: Core ver 2.22
[   21.502768] Bluetooth: HCI device and connection manager initialized
[   21.502774] Bluetooth: HCI socket layer initialized
[   21.502779] Bluetooth: L2CAP socket layer initialized
[   21.502790] Bluetooth: SCO socket layer initialized
[   21.545049] Bluetooth: HCI UART driver ver 2.3
[   21.545053] Bluetooth: HCI UART protocol H4 registered
[   21.545054] Bluetooth: HCI UART protocol BCSP registered
[   21.545084] Bluetooth: HCI UART protocol LL registered
[   21.545085] Bluetooth: HCI UART protocol ATH3K registered
[   21.545087] Bluetooth: HCI UART protocol Three-wire (H5) registered
[   21.545137] Bluetooth: HCI UART protocol Intel registered
[   21.545181] Bluetooth: HCI UART protocol Broadcom registered
[   21.545182] Bluetooth: HCI UART protocol QCA registered
[   21.545184] Bluetooth: HCI UART protocol AG6XX registered
[   21.545185] Bluetooth: HCI UART protocol Marvell registered
[   31.346851] ieee80211 phy0: rt2x00lib_request_firmware: Info - Loading firmware file 'rt3290.bin'
[   31.381346] ieee80211 phy0: rt2x00lib_request_firmware: Info - Firmware detected - version: 0.37
[   38.564913] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[   38.564916] Bluetooth: BNEP filters: protocol multicast
[   38.564922] Bluetooth: BNEP socket layer initialized

[JeremyB]

I haven't seen that bluetooth work fully in Linux because the manufacturer doesn't want to provide any support

[Oddysee]

I see. So, that's it? It just won't work?

[JeremyB]

You could try what is at https://github.com/loimu/rtbth-dkms
I have no idea if it even will compile