Dell Optiplex , Win 10 , no sound from headphone jack


  1. Ivan Karlovich
    Posts : 4
    Windows 10 Pro
       New #1

    Dell Optiplex , Win 10 , no sound from headphone jack


    Dell Optiplex 790
    Win 10 Pro
    Intel Core i5
    240gb SSD
    8g RAM
    On-board sound card which I believe is a Realtek...
    I bought this refurbished today with Win 10 already installed , however it does not deliver sound to the headphone jack.
    The control panel shows only "High Definition Audio Device (2x)" , and I can hear sound from internal speakers.
    I have already seen posts on the Dell forum which suggest Win 10 not compatible with available Dell drivers.
    Suggestions please ?
      My Computer
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  3. Berton
    Posts : 14,020
    Win10 Pro and Home, Win11 Pro and Home, Win7, Linux Mint
       New #2

    Do you get sound from speakers plugged into the port on the back [usually the light green one]? If so then the issue exists with something plugged into the front jack not getting the sound [headset or speaker], should cut out the rear jack. Issue could be hardware, not the Operating System.
      My Computers
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  4. Ivan Karlovich
    Posts : 4
    Windows 10 Pro
    Thread Starter
       New #3

    Thanks Berton,

    not yet set-up to check speaker jack at the rear ..... will try Sun A.M. ... time for zzzz's
    Gettin' too old to pull these all nighters trying to troubleshoot PCs

    - - - Updated - - -

    Hi Berton,

    have connected speaker to rear audio jack ... it delivers sound and cuts off internal speaker
      My Computer
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  6. Berton
    Posts : 14,020
    Win10 Pro and Home, Win11 Pro and Home, Win7, Linux Mint
       New #4

    Haven't seen many Desktops have internal speakers for use by the Operating System so would wonder if the Refurbisher did something different from the normal. Usually a Desktop internal speaker is for the beeps from the BIOS, just a tiny thing. I used to have an Optiplex 755.
      My Computers
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  7. Ivan Karlovich
    Posts : 4
    Windows 10 Pro
    Thread Starter
       New #5

    Thanks everybody who assisted me.
    I have concluded that there is a hardware issue and have sent the unit back to the seller and asked for a refund.
      My Computer
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  8. fireberd
    Posts : 2,585
    Win 11
       New #6

    Berton said:
    Haven't seen many Desktops have internal speakers for use by the Operating System so would wonder if the Refurbisher did something different from the normal. Usually a Desktop internal speaker is for the beeps from the BIOS, just a tiny thing. I used to have an Optiplex 755.
    Some older Optiplex desktops did have an option for a small internal speaker. I remember posts on the Dell forums about the internal speakers.
      My Computers
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