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I just recently installed Ubuntu on my Lenovo Yoga as a dual boot. But due to unfortunate circumstances, my audio jack doesn't work. I usually use bluetooth, but whenever I try to enable bluetooth and close the window, it just resets itself back to disable. Any advice on how to deal with this situation?

Here is what displays: 

Bus 002 Device 004: ID 5986:029c Acer, Inc 
Bus 002 Device 003: ID 2047:0855 Texas Instruments 
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 005: ID 04f3:000a Elan Microelectronics Corp. 
Bus 001 Device 004: ID 0bda:1724 Realtek Semiconductor Corp. 
Bus 001 Device 003: ID 0bda:0129 Realtek Semiconductor Corp. RTS5129 Card  
Reader Controller
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 002: ID 046d:c52f Logitech, Inc. Unifying Receiver
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

bluetooth             446409  12 bnep,rtk_btusb,rfcomm
6lowpan_iphc           18702  1 bluetooth

Linux Stephen-Lenovo-IdeaPad-Yoga-13 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: ideapad_wlan: Wireless LAN
       Soft blocked: no
       Hard blocked: no
1: ideapad_bluetooth: Bluetooth
       Soft blocked: no
       Hard blocked: no
2: hci0: Bluetooth
       Soft blocked: no
       Hard blocked: no
3: phy0: Wireless LAN
       Soft blocked: no
       Hard blocked: no
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5
  • Can you give some more information about your bluetooth device? Does hcitool dev - command for listing bluetooth devices - list anything?
    – psukys
    May 21, 2015 at 3:32
  • It doesn't list anything, it just says "Devices: "
    – Stephen Cheng
    May 21, 2015 at 7:21
  • Can you edit question to add results from lspci -nnk | grep -iA2 net; lsusb; lsmod | grep bluetooth; uname -a; rfkill list all
    – Jeremy31
    May 21, 2015 at 7:46
  • You likely need the wifi package from here and the bluetooth from here
    – Jeremy31
    May 22, 2015 at 11:34
  • What are the commands, I'm pretty new to Ubuntu. I have Git Bash though, so I can use git.
    – Stephen Cheng
    May 23, 2015 at 8:27

1 Answer 1

Reset to default
1 
sudo apt-get install linux-headers-$(uname -r) git build-essential
git clone https://github.com/lwfinger/rtlwifi_new.git
cd rtlwifi_new
make
sudo make install

cd ~
git clone -b troy https://github.com/lwfinger/rtl8723au_bt.git
cd rtl8723au_bt
make
sudo make install

Reboot and test, we may have to blacklist the rtk_btusb

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8
  • Please do not recommend to install linux-headers-generic. It was needed only for 12.10 due to a bug. It can confuse things in LTS releases, which may have other headers, like linux-headers-generic-lts-utopic.
    – Pilot6
    May 23, 2015 at 16:36
  • Same thing happens. It still doesn't work :/
    – Stephen Cheng
    May 26, 2015 at 1:16
  • Is the rtk_btusb module still getting loaded? Check lsmod | grep rtk_btusb
    – Jeremy31
    May 26, 2015 at 22:41
  • I see this: rtk_btusb 22985 0 bluetooth 446409 12 bnep,rtk_btusb,rfcomm
    – Stephen Cheng
    May 27, 2015 at 3:59
  • Does sudo modprobe -r rtk_btusb followed by sudo modprobe btusb work ?
    – Jeremy31
    May 27, 2015 at 8:35

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