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[Daniele <1581814@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

Bluetooth works (Asus Zenbook UX301LA) neither on Ubuntu 16.04 nor Linux Mint 17.3 (both systems updated). 
Bluetooth used to work on previous versions of Ubuntu and Mint. The Asus is two year-old and a quick look inside the pc shows no sign of dirt. It doesn't seem possible to remove the wireless card without resorting to wire-cutting + soldering. 

the following occurs: 
1) with wifi enabled (wifi works perfectly):
a) icon in taskbar is grayed out;
b) click on icon>can turn on bluetooth + can't turn on visibility>bluetooth settings>both bluetooth and bluetooth visibility appear as "off" + the message "bluetooth is disabled" appears.

2) with wifi disabled and after re-booting Asus:
a) icon in taskbar lits up;
b) click on icon>can turn on bluetooth + can't turn on visibility>bluetooth settings>bluetooth appears as "on" and bluetooth visibility appear as "off" + the message "bluetooth is disabled" appears.

here are a couple of terminal outputs (if relevant, forgive my total
ignorance on the subject):

ubuntu-bug linux
== ApportVersion =================================
2.14.1-0ubuntu3.19

== Architecture =================================
amd64

== CurrentDesktop =================================
X-Cinnamon

== Date =================================
Sat May 14 14:39:57 2016

== Dependencies =================================
adduser 3.113+nmu3ubuntu3
apt-utils 1.0.1ubuntu2.13
base-passwd 3.5.33
busybox-initramfs 1:1.21.0-1ubuntu1
coreutils 8.21-1ubuntu5.4
cpio 2.11+dfsg-1ubuntu1.2
dbus 1.6.18-0ubuntu4.3
debconf 1.5.51ubuntu2
debconf-i18n 1.5.51ubuntu2
debianutils 4.4
:

sudo iw dev wlan0 scan | grep -i "ds parameter set"
[sudo] password for weword: 
	DS Parameter set: channel 11
	DS Parameter set: channel 1
	DS Parameter set: channel 1
	DS Parameter set: channel 6
	DS Parameter set: channel 6
	DS Parameter set: channel 6
	DS Parameter set: channel 11
	DS Parameter set: channel 36

cat /var/log/dmesg | grep "firmware version"
[    1.743848] psmouse serio4: elantech: assuming hardware version 4 (with firmware version 0x671f07)
[    3.527075] iwlwifi 0000:02:00.0: loaded firmware version 25.17.12.0 op_mode iwlmvm

additional info: I tried to update the bios - extracted the latest BIOS
207 (if I chose the right one in the first place) - onto flash card but
Bios>Advanced>Start EasyFlash can't detect any file on my
(FAT32-formatted) flash card.

any idea?

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: Incomplete

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https://bugs.launchpad.net/bugs/1581814

Title:
  can't start bluetooth

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  Bluetooth works (Asus Zenbook UX301LA) neither on Ubuntu 16.04 nor Linux Mint 17.3 (both systems updated). 
  Bluetooth used to work on previous versions of Ubuntu and Mint. The Asus is two year-old and a quick look inside the pc shows no sign of dirt. It doesn't seem possible to remove the wireless card without resorting to wire-cutting + soldering. 

  the following occurs: 
  1) with wifi enabled (wifi works perfectly):
  a) icon in taskbar is grayed out;
  b) click on icon>can turn on bluetooth + can't turn on visibility>bluetooth settings>both bluetooth and bluetooth visibility appear as "off" + the message "bluetooth is disabled" appears.

  2) with wifi disabled and after re-booting Asus:
  a) icon in taskbar lits up;
  b) click on icon>can turn on bluetooth + can't turn on visibility>bluetooth settings>bluetooth appears as "on" and bluetooth visibility appear as "off" + the message "bluetooth is disabled" appears.

  here are a couple of terminal outputs (if relevant, forgive my total
  ignorance on the subject):

  ubuntu-bug linux
  == ApportVersion =================================
  2.14.1-0ubuntu3.19

  == Architecture =================================
  amd64

  == CurrentDesktop =================================
  X-Cinnamon

  == Date =================================
  Sat May 14 14:39:57 2016

  == Dependencies =================================
  adduser 3.113+nmu3ubuntu3
  apt-utils 1.0.1ubuntu2.13
  base-passwd 3.5.33
  busybox-initramfs 1:1.21.0-1ubuntu1
  coreutils 8.21-1ubuntu5.4
  cpio 2.11+dfsg-1ubuntu1.2
  dbus 1.6.18-0ubuntu4.3
  debconf 1.5.51ubuntu2
  debconf-i18n 1.5.51ubuntu2
  debianutils 4.4
  :

  sudo iw dev wlan0 scan | grep -i "ds parameter set"
  [sudo] password for weword: 
  	DS Parameter set: channel 11
  	DS Parameter set: channel 1
  	DS Parameter set: channel 1
  	DS Parameter set: channel 6
  	DS Parameter set: channel 6
  	DS Parameter set: channel 6
  	DS Parameter set: channel 11
  	DS Parameter set: channel 36

  cat /var/log/dmesg | grep "firmware version"
  [    1.743848] psmouse serio4: elantech: assuming hardware version 4 (with firmware version 0x671f07)
  [    3.527075] iwlwifi 0000:02:00.0: loaded firmware version 25.17.12.0 op_mode iwlmvm

  additional info: I tried to update the bios - extracted the latest
  BIOS 207 (if I chose the right one in the first place) - onto flash
  card but Bios>Advanced>Start EasyFlash can't detect any file on my
  (FAT32-formatted) flash card.

  any idea?

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