How to automatically change audio device when inserting HDMI cable?

tomchook

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Hello,
My lapotop is HP Pavilion 9750 running Windows 7 Enterprise (with the latest updates). When I'm inserting the HDMI cable to view my screen on the TV it automatically shows the video, but I have to manually change the default playback from "Speakers" (Realtek High Definition Audio) to "Realtek Digital Output" (Realtek High Definition Audio) so I could hear the audio from my TV and not from the computer.

Is there a way to make that switch automatically when I connect/disconnect the HDMI cable?

Thanks!
 

My Computer My Computer

Computer Manufacturer/Model Number
HP Pavilion dv9759EJ
OS
Windows 7 Ultimate
CPU
Mobile DualCore Intel Core 2 Duo T7500, 2200 MHz
Motherboard
Intel Crestline-PM PM965
Memory
2048 MB (DDR2-667 DDR2 SDRAM)
Graphics Card(s)
NVIDIA GeForce 8400M GS (256 MB)
Sound Card
Realtek ALC268 @ Intel 82801HBM ICH8M
Monitor(s) Displays
17.1" LCD (WXGA+)
Screen Resolution
1440 x 900
Hard Drives
Hitachi HTS542525K9SA00 ATA Device
Apparently the video card you have does not have on-board audio (chip) and must get the audio for HDMI from the S/PDIF (Digital) connection on the motherboard. This type of operation, in cases I've dealt with, will not autiomatically switch the audio playback device.

On newer video cards with the HDMI audio built on the video card, this type in most cases will automatically switch the audio playback.
 

My Computer My Computer

Computer type
PC/Desktop
Computer Manufacturer/Model Number
My Own Build
OS
Windows 10 64 bit
CPU
Intel i7 6700K
Motherboard
ASUS ROG Maximus VIII Hero
Memory
16GB Corsair Dominator
Graphics Card(s)
Intel CPU Graphics
Sound Card
RealTek
Monitor(s) Displays
27" Dell S2719dgf
Screen Resolution
2560X1440
Hard Drives
1 TB Samsung 850 EVO SSD for Win 10 Pro
500GB Samsung 850 EVO SSD for Win 10 Insider
2 TB drive for backup
PSU
EVGA Supernova 750G2
Case
BeQuiet Silent Base 600
Cooling
Deepcool Captain 120EX
Keyboard
Microsoft Wireless 2000
Mouse
Microsoft wireless
Internet Speed
100 MB/sec (Cable)
Antivirus
Microsoft Defender and Malwarebytes
Browser
Edge/Firefox
Other Info
Cakewalk (Sonar) by BandLab and Studio One 4.1 Pro recording studio software. MOTU 896Mk3 Hybrid recording interface, Frontier Tranzport wireless control unit, Behringer X-Touch Control Surface.
Five USB connected optical drives for CD Audio production using Nero BurningROM
Thank you for your fast reply. I guess it's time for a new computer anyway :)
 

My Computer My Computer

Computer Manufacturer/Model Number
HP Pavilion dv9759EJ
OS
Windows 7 Ultimate
CPU
Mobile DualCore Intel Core 2 Duo T7500, 2200 MHz
Motherboard
Intel Crestline-PM PM965
Memory
2048 MB (DDR2-667 DDR2 SDRAM)
Graphics Card(s)
NVIDIA GeForce 8400M GS (256 MB)
Sound Card
Realtek ALC268 @ Intel 82801HBM ICH8M
Monitor(s) Displays
17.1" LCD (WXGA+)
Screen Resolution
1440 x 900
Hard Drives
Hitachi HTS542525K9SA00 ATA Device
AT least a reason to get a new one ;)
 

My Computer My Computer

Computer type
PC/Desktop
Computer Manufacturer/Model Number
My Own Build
OS
Windows 10 64 bit
CPU
Intel i7 6700K
Motherboard
ASUS ROG Maximus VIII Hero
Memory
16GB Corsair Dominator
Graphics Card(s)
Intel CPU Graphics
Sound Card
RealTek
Monitor(s) Displays
27" Dell S2719dgf
Screen Resolution
2560X1440
Hard Drives
1 TB Samsung 850 EVO SSD for Win 10 Pro
500GB Samsung 850 EVO SSD for Win 10 Insider
2 TB drive for backup
PSU
EVGA Supernova 750G2
Case
BeQuiet Silent Base 600
Cooling
Deepcool Captain 120EX
Keyboard
Microsoft Wireless 2000
Mouse
Microsoft wireless
Internet Speed
100 MB/sec (Cable)
Antivirus
Microsoft Defender and Malwarebytes
Browser
Edge/Firefox
Other Info
Cakewalk (Sonar) by BandLab and Studio One 4.1 Pro recording studio software. MOTU 896Mk3 Hybrid recording interface, Frontier Tranzport wireless control unit, Behringer X-Touch Control Surface.
Five USB connected optical drives for CD Audio production using Nero BurningROM
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