How to enable the audio from the external monitor in Win 8

C

compiler

New Member
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My laptop is connected to an external monitor by the HDMI cable. The monitor does not have the speakers but has a headphone jack that connects the external PC speakers. The audio, however, is still from the laptop build-in speaker though the video can be seen from the external monitor. I do not know why the audio does not go to the monitor. Can you tell me how to enable the sound from the external monitor instead of the laptop build-in speaks in Windows 8 when the laptop is connected to the monitor by the HDMI? I hope the audio will automatically go to the monitor when it is connected to the laptop but will back to the laptop build-in speakers when the monitor is disconnected. Thank you for your answer.
 

My Computer

System One

  • OS
    Windows 8
compiler welcome to the Eight Forums.

It is possible that the headphone jack on the monitor requires an analogue connection to the sound card/audio out jack from the computer to the monitor, and doesn't support audio over HDMI to the jack.

The make and model of the monitor would help.
 

My Computer

System One

  • OS
    Windows 8.1 Pro
    Computer type
    PC/Desktop
    System Manufacturer/Model
    Built by Me
    CPU
    FX 8350 @ 4.6
    Motherboard
    Asus M5A97 Evo
    Memory
    2 x 2 GB Kingston HyperX 1600
    Graphics Card(s)
    Sapphire R9 270X Dual-X
    Sound Card
    Xonar DGX
    Monitor(s) Displays
    Acer S232HL
    Screen Resolution
    1920x1080
    Hard Drives
    OCZ Vertex 3 120 GB
    Seagate 500 GB
    PSU
    Antec Earthwatts 650W
    Case
    Antec Three Hundred
    Cooling
    Cooler Master Hyper 212 EVO
    Keyboard
    Logitech Wave
    Mouse
    Logitech G500s
    Internet Speed
    35000/3000
I have fixed the problem by entering the Control Panel > Hardware and Sound > Change System Sound > Playback > Click Monitor Name > Set default. The monitor sound is enabled. So, the problem was the sound set in the laptop build-in speakers. However, I wonder whether the laptop can be set to automatically change the sound from between the laptop build-in and monitor speakers when connecting or disconnecting the monitor. It is just like the audio goes to the headphone when it is plugged into the computer. But, the sound will automatically goes to the laptop speakers if the headphone is disconnected.
 

My Computer

System One

  • OS
    Windows 8
Hi there

This problem sometimes arises if you are displaying on BOTH monitors -- when you display ONLY on external monitor with the HDMI cable (Win+P to select monitor) the audio will be routed automatically to your monitor from where you can then connect your speakers.

Cheers
jimbo
 

My Computer

System One

  • OS
    Linux Centos 7, W8.1, W7, W2K3 Server W10
    Computer type
    PC/Desktop
    Monitor(s) Displays
    1 X LG 40 inch TV
    Hard Drives
    SSD's * 3 (Samsung 840 series) 250 GB
    2 X 3 TB sata
    5 X 1 TB sata
    Internet Speed
    0.12 GB/s (120Mb/s)
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