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Connecting 2 monitors (new computer) - no sound

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Hi Brian,

I ordered a new Dell computer with 2 monitors that are supposed to have sound capabilities. Unfortunately, I can't get the sound to work. I must have cables connected incorrectly or something. Please help.



Dell U2421E (NVIDIA High Definition Audio).

Windows 10

Device name    DESKTOP-F9K14SV
Processor    Intel(R) Core(TM) i9-10900 CPU @ 2.80GHz   2.81 GHz
Installed RAM    64.0 GB (63.7 GB usable)
Device ID    C22148DF-F64B-4DDC-8B57-B67181D229FC
Product ID    00330-53467-89080-AAOEM
System type    64-bit operating system, x64-based processor
Pen and touch    No pen or touch input is available for this display


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It's not going to work the way you were thinking.

That's because it doesn't have built-in speakers. From what I can tell by reading the manual, all that monitor does is take the audio from the DisplayPort or HDMI and forwards it to a set of external speakers of some kind. Here is the page that I'm referring to:


Screen Shot 2021-05-03 at 4.37.55 PM.png

"Port 8" is a 3.5mm jack, but you need physical speakers with their own power source, headphones will not work in this port. Only 2-Channel Audio is the audio that comes out of that display.

My advice? Skip using this display for audio and get yourself a decent set of speakers and hook it up to the computer's audio ports. If you must use the monitor's pass-through ports, these Bose Speakers should work. I bought my wife a set of these for Christmas a few years ago and she likes them. They should work with either your display or computer. If you want something more, like a 2.1 system, I highly recommend getting a set of Klipsch THX 2.1 Speakers. This is what I have on my desk and they are on sale!! Normal price is $140 and they are going for $89.99...which is $10 less than the Bose Set.

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