Computer Vista laptop does not detect my speakers!

When I turned on the laptop today, there is no sound coming from the speakers when I tried to listen to music. The speakers worked yesterday. When I right click on the sound icon in the menu of shortcuts in the lower corner on the right and click Open volume mixer, I can't find the speaker tab reading device (I made sure that both "show disabled devices" and "show disconnected devices" options are checked). The only device listed under the playback tab is "Peripheral digital output (HDMI)". When I turn on the music, the bars on the right side of this unit turn to the Greens according to the sound, but there is still no sound coming from the speakers. There is also no sound in headphones when I plug them in. When I go to Device Manager, disable "high definition audio device" under "Audio, video and game controllers" and reset the laptop, the "digital output device (HDMI)" disappears and no devices are listed on the playback tab in the volume mixer. When I activate the "device high definition audio ' back, the digital output device (HDMI) appears again. So I'm assuming that the computer recognizes speakers as HDMI device even if there is no plug HDMI connected to the laptop.

This troubleshooting help will be appreciated. Thank you.

Hello

1. What is the brand and the model number of this laptop?
2. use the built-in Laptop speakers or you attach external speakers?
3. did you of recent changes to the computer?
 
Check if your headset is set to use as the default value * Communication * device instead of the default device, or if the two devices are configured by default. If so, that the fault of headphones, so that Windows will only use when they are connected.
 
Method 1.
Check volume settings.
a. right click on the speaker icon in the taskbar, then select volume control options.
b. put a check mark on "all devices evolving sound.
c. make sure you have "Default uncontrolled communication device".
d. place a check on the speakers and headphones.

Method 2.
I recommend you update drivers sound card from the manufacturer's website and check also if there is windows update available.
See the articles below for more information.
Let us know what happens when you play.

Thank you, and in what concerns:
Shekhar S - Microsoft technical support.

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