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Thread: 2017 Macbook Pro 14,1 running Ubuntu 18.04 LTS: No sound (internal or audio jack)

  1. #1


    Member Since
    Feb 23, 2018
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    5
    2017 Macbook Pro 14,1 running Ubuntu 18.04 LTS: No sound (internal or audio jack)
    Here is my machine's hardware and software information:

    Code:
    mac@macs-MacBookPro:~$ inxi -Fxzd
    System:    Host: macs-MacBookPro Kernel: 4.15.0-23-generic x86_64
               bits: 64 gcc: 7.3.0
               Desktop: Cinnamon 3.6.7 (Gtk 3.22.30-1ubuntu1)
               Distro: Ubuntu 18.04 LTS
    Machine:   Device: laptop System: Apple product: MacBookPro14 1 v: 1.0 serial: N/A
               Mobo: Apple model: Mac-B4831CEBD52A0C4C v: MacBookPro14 1 serial: N/A
               UEFI: Apple v: MBP141.88Z.0173.B00.1802081002 date: 02/08/2018
    Battery    BAT0: charge: 51.4 Wh 98.2% condition: 52.3/54.6 Wh (96%)
               model: SMP bq20z451 status: Full
    CPU:       Dual core Intel Core i7-7660U (-MT-MCP-) 
               arch: Kaby Lake rev.9 cache: 4096 KB
               flags: (lm nx sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx) bmips: 9984
               clock speeds: max: 4000 MHz 1: 600 MHz 2: 600 MHz 3: 600 MHz
               4: 600 MHz
    Graphics:  Card: Intel Device 5926 bus-ID: 00:02.0
               Display Server: x11 (X.Org 1.19.6 ) driver: i915
               Resolution: 2560x1600@60.00hz
               OpenGL: renderer: Mesa DRI Intel Iris Plus Graphics 640 (Kaby Lake GT3e)
               version: 4.5 Mesa 18.0.0-rc5 Direct Render: Yes
    Audio:     Card Intel Sunrise Point-LP HD Audio
               driver: snd_hda_intel bus-ID: 00:1f.3
               Sound: Advanced Linux Sound Architecture v: k4.15.0-23-generic
    Network:   Card: Broadcom Limited BCM4350 802.11ac Wireless Network Adapter
               driver: brcmfmac bus-ID: 02:00.0
               IF: wlp2s0 state: up mac: <filter>
    Drives:    HDD Total Size: 8501.8GB (83.1% used)
               ID-1: /dev/nvme0n1 model: APPLE_SSD_AP0512J size: 500.3GB
               ID-2: /dev/nvme0n2 model: APPLE_SSD_AP0512J size: 0.0GB
               ID-3: USB /dev/sdc model: My_Book_25EE size: 8001.6GB
               Optical: No optical drives detected.
    Partition: ID-1: / size: 317G used: 31G (11%) fs: ext4 dev: /dev/nvme0n1p4
               ID-2: swap-1 size: 4.00GB used: 0.00GB (0%)
               fs: swap dev: /dev/nvme0n1p3
    RAID:      No RAID devices: /proc/mdstat, md_mod kernel module present
    Sensors:   System Temperatures: cpu: 67.0C mobo: N/A
               Fan Speeds (in rpm): cpu: N/A
    Info:      Processes: 285 Uptime: 3:24 Memory: 3002.5/15906.7MB
               Init: systemd runlevel: 5 Gcc sys: 7.3.0
               Client: Shell (bash 4.4.191) inxi: 2.3.56
    I have no audio at all. I sort of expected not to have use of the internal speakers (without some tweaking) but I expected to have sound output through the headphone jack.

    Any ideas on where I should go from here? I've googled a bit and haven't found a good answer.
    Last edited by JMacSmith; 07-08-2018 at 01:11 AM.

  2. #2

    chscag's Avatar
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    Are you dual booting between macOS and Ubuntu? If so, is the sound normal while running macOS?
    2017 27" iMac, 10.5" iPad Pro, iPhone 6s+, iPhone 7+, Numerous iPods, High Sierra

    COMMUNITY RULES

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  3. #3


    Member Since
    Feb 23, 2018
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    Quote Originally Posted by chscag View Post
    Are you dual booting between macOS and Ubuntu? If so, is the sound normal while running macOS?
    Yes and Yes.

  4. #4

    chscag's Avatar
    Member Since
    Jan 23, 2008
    Location
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    55,907
    OK, that tells us the problem then is likely driver related. I haven't run Ubuntu on any of my machines for quite a while and am really not up to speed on the latest. Someone in our forums may be able to offer a suggestion but you will probably get better help from the Ubuntu community forums. Quite a few folks who hang out there dual boot between macOS and Ubuntu. Your machine is new but I don't believe Apple has changed much in the way of audio. Although sometimes Apple does things very subtly.
    2017 27" iMac, 10.5" iPad Pro, iPhone 6s+, iPhone 7+, Numerous iPods, High Sierra

    COMMUNITY RULES

    Writing a Quality Post

  5. #5

    IWT's Avatar
    Member Since
    Jan 23, 2009
    Location
    Born in Scotland, Worked in Scotland then England, Now live in Wales
    Posts
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    @JMacSmith

    I noticed that you have posted a different question on our Forums about Ubuntu matters - http://www.mac-forums.com/running-wi...buntu-mbp.html

    I'd be the last person to redirect someone from our Forums which I think are friendly and helpful, but your questions might be better addressed to:

    https://ubuntuforums.org
    https://community.ubuntu.com/t/ubuntu-forums/22
    https://www.ubuntu.com/support/community-support

    Ian
    Ian

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