U3415w Dual Audio

Hello

I have two U3415w connected to a Lenovo docking station. The docking station has two Displayports and one HDMI. Display #1 is connected via HDMI from the dock to the monitor, display #2 is connected via a HDMI cable to DisplayPort adapter then to the dock. The video is flawless on both but I can't get audio screen #2. The drivers are up to date.

Other details:

  • What is the serial number of 20-digit alphanumeric monitor?

    • N/A

  • What specific model of computer?

    • Lenovo W540

  • What operating system?

    • Windows 10

  • What video card?

    • Graphics Intel HD 4600 - 10.18.15.4256

    • NVIDIA Quattro K1100M - 10.18.13.5362

  • Video card driver version?

    • Graphics Intel HD 4600 - 10.18.15.4256

    • NVIDIA Quattro K1100M - 10.18.13.5362

  • Which ports are available for the video card?

    • Lenovo ThinkPad Ultra Dock 90W 40A20090US US

      • 2 display ports

      • 1 HDMI

  • What video output from the video card port video on the port monitor do you use?

    • HDMI to HDMI on screen #1

    • To DP cable HDMI displayport adapter on the docking station

  • What cable are you using to set the video card to the monitor?

    • HDMI

  • What windows power plan? Example = high-performance PCI-e link state Off

    • High Performance

  • Press the monitor Menu button to open the OSD (On Screen Display). The bottom of the screen should display a resolution. What is not?

    • 3440 x 1440

  • The monitor was purchased from Dell or some resellers?

    • Reseller

I appreciate all help.

Audio playback from the computer cannot use two audio sources simultaneously. You must choose to be the "default device".
* Make a right click the speaker in the taskbar icon
* Click on playback devices
* What is not?

HDMI, DP and CDM all transmit the audio signal. Try to test this configuration =
Lenovo DP docking station on--> U3415W CDM DP cable--> U3415W first DP in
Lenovo DP docking station on--> U3415W CDM DP cable--> second U3415W RFP in
* Make a right click the speaker in the taskbar icon
* Click on playback devices
* What is not?

Tags: Dell Peripherals

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