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No sound on docking station series 3 plus with T520
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No sound on docking station series 3 plus with T520
If I plug in my speakers on my T520 I can listen to music.
If I plug in my speakers on my T520 when it is docked I can listen to music.
But when I plug in my speakers on the docking station series 3 plus when my T520 is docked there is no audio.
Are there special drivers I have to download for the docking station to work? Thanks.
If I plug in my speakers on my T520 when it is docked I can listen to music.
But when I plug in my speakers on the docking station series 3 plus when my T520 is docked there is no audio.
Are there special drivers I have to download for the docking station to work? Thanks.
Re: No sound on docking station series 3 plus with T520
I have the same dock with a Thinkpad T410 (see signature) - I didn't have to install any drivers, etc for the speaker output of the dock to work properly. I just attached the T410 to the dock and plugged in the speaker cable, the internal speakers were silent by default and the audio output went to the external speakers. Note I'm using Ubuntu Linux instead of windows...
Thinkpad T420 | Core i-5 2520M | 16gb RAM | 120gb Intel 520 SSD + 750gb 7200 RPM | 6300 N | Ubuntu 12.04 x64
Desktop: AMD FX-8350 (8 cores) | 32gb ECC RAM | 240gb Intel 530 SSD + 1tb 7200 RPM | Ubuntu 14.04 x64 | HP ZR24w
Previous Thinkpads: A21m, R40, X61, T410
Desktop: AMD FX-8350 (8 cores) | 32gb ECC RAM | 240gb Intel 530 SSD + 1tb 7200 RPM | Ubuntu 14.04 x64 | HP ZR24w
Previous Thinkpads: A21m, R40, X61, T410
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- Sophomore Member
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- Location: Houston & Buenos Aires
Re: No sound on docking station series 3 plus with T520
Does the 3 Series Dock support USB3.0 ...???
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- Senior Member
- Posts: 872
- Joined: Mon Sep 22, 2008 4:45 am
- Location: France Paris
Re: No sound on docking station series 3 plus with T520
I am not happy with the dock. Sound does not work until now.
And when I press the dock power button to start the system, sometimes the system starts, sometimes the notebook leds blink and nothing happens.
And when I press the dock power button to start the system, sometimes the system starts, sometimes the notebook leds blink and nothing happens.
Re: No sound on docking station series 3 plus with T520
Well, I upgraded from a T410 to a T420 - and now I have no sound when in the dock. 

Thinkpad T420 | Core i-5 2520M | 16gb RAM | 120gb Intel 520 SSD + 750gb 7200 RPM | 6300 N | Ubuntu 12.04 x64
Desktop: AMD FX-8350 (8 cores) | 32gb ECC RAM | 240gb Intel 530 SSD + 1tb 7200 RPM | Ubuntu 14.04 x64 | HP ZR24w
Previous Thinkpads: A21m, R40, X61, T410
Desktop: AMD FX-8350 (8 cores) | 32gb ECC RAM | 240gb Intel 530 SSD + 1tb 7200 RPM | Ubuntu 14.04 x64 | HP ZR24w
Previous Thinkpads: A21m, R40, X61, T410
Re: No sound on docking station series 3 plus with T520
Fortunately, it was a relatively easy fix. Will place the details here in case anyone else searches for it.
Hardware:
Mini dock plus series 3 for mobile workstations with 135 watt power adapter.
Thinkpad T420 4177-cto
When the laptop is in the dock and external speakers are connected to the jack on the dock using Ubuntu 11.10 64 bit, there is no audio output.
Using your favorite text editor, open the file '/etc/modprobe.d/alsa-base.conf' (sans quotes) - note this will require elevated access permissions (e.g., sudo / root) to change.
Add a line to the bottom that reads:
Next, reboot the laptop and your sound should now be working...
To the original poster I guess this means you may very well have a software related problem, sorry I don't have a Windows fix for you...
Hardware:
Mini dock plus series 3 for mobile workstations with 135 watt power adapter.
Thinkpad T420 4177-cto
When the laptop is in the dock and external speakers are connected to the jack on the dock using Ubuntu 11.10 64 bit, there is no audio output.
Using your favorite text editor, open the file '/etc/modprobe.d/alsa-base.conf' (sans quotes) - note this will require elevated access permissions (e.g., sudo / root) to change.
Add a line to the bottom that reads:
Code: Select all
options snd-hda-intel model=thinkpad
To the original poster I guess this means you may very well have a software related problem, sorry I don't have a Windows fix for you...
Thinkpad T420 | Core i-5 2520M | 16gb RAM | 120gb Intel 520 SSD + 750gb 7200 RPM | 6300 N | Ubuntu 12.04 x64
Desktop: AMD FX-8350 (8 cores) | 32gb ECC RAM | 240gb Intel 530 SSD + 1tb 7200 RPM | Ubuntu 14.04 x64 | HP ZR24w
Previous Thinkpads: A21m, R40, X61, T410
Desktop: AMD FX-8350 (8 cores) | 32gb ECC RAM | 240gb Intel 530 SSD + 1tb 7200 RPM | Ubuntu 14.04 x64 | HP ZR24w
Previous Thinkpads: A21m, R40, X61, T410
Re: No sound on docking station series 3 plus with T520
I can confirm that this worked like a charm on my W520 running Ubuntu 11.10. Thanks!
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- Senior Member
- Posts: 872
- Joined: Mon Sep 22, 2008 4:45 am
- Location: France Paris
Re: No sound on docking station series 3 plus with T520
I reinstalled Windows and everything works fine now.
Re: No sound on docking station series 3 plus with T520
Great, glad to hear it works on more than just my machine.lUomino wrote:I can confirm that this worked like a charm on my W520 running Ubuntu 11.10. Thanks!

Thinkpad T420 | Core i-5 2520M | 16gb RAM | 120gb Intel 520 SSD + 750gb 7200 RPM | 6300 N | Ubuntu 12.04 x64
Desktop: AMD FX-8350 (8 cores) | 32gb ECC RAM | 240gb Intel 530 SSD + 1tb 7200 RPM | Ubuntu 14.04 x64 | HP ZR24w
Previous Thinkpads: A21m, R40, X61, T410
Desktop: AMD FX-8350 (8 cores) | 32gb ECC RAM | 240gb Intel 530 SSD + 1tb 7200 RPM | Ubuntu 14.04 x64 | HP ZR24w
Previous Thinkpads: A21m, R40, X61, T410
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