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15.6" Windows 8.1 Laptop manufactured by Toshiba in 2014.

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Audio playing through headphones and speakers at the same time

When I plug in my headphones to the analog port on the side, I get audio from both my computer speakers and the headphones that I just plugged in. I have uninstalled and reinstalled the most up to date Realtek HD audio manager (which also came preinstalled when I bought it years ago with no problems at all) from Realtek. When I open the Realtek HD audio manager, I open in a speakers tab (no other tab), with a greyed out analog section on the right and no advanced settings option. I have the latest Windows 10 update. I am using Realtek High Definition Audio driver version 6.0.1.7564.

I have read multiple forums asking the same thing (with different motherboards and computer setups) and they all say to uninstall and reinstall drivers, update drivers, and go to the advanced settings. I don’t have the advanced settings option and already have reinstalled and updated.

Not sure what to do from here.

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I am Editing this a few weeks after posting.

I just found something else that might help. When I go to the speaker properties of the output audio device that I am using, Environments, and check disable all sound effects, the sound becomes much more bold and a whole lot better. but if I pause something and leave it for a minute where there is no sound, I reverts to its poor sound that it had before the disable all sound effects box was checked. the box is still checked but when I uncheck it the recheck it the sound is much better until I leave it again.

I have no idea what could be the cause this.

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Hi @jusse

Try uninstalling the audio drivers and try the drivers that was provided by toshiba.

there should be a device advanced settings which you can set to mute computer audio when audio jack is plugged in.

sometimes generic drivers from realtek might have this hiccup or settings not shown all.

von

@salmonjapan What Driver should I use? Realtek was the driver provided. I am up for using a different driver but I don't know what is compatible and if it will have all the functionality needed.

Do you have a recommendation?

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@jusse

It seems that there are two drivers... IDT and Realtek.

I suggest you to try the realtek first provided in this link below for your laptop

Check this....

https://support.dynabook.com/support/mod...

von

@salmonjapan So I have tried to install IDT from toshiba's website (also uninstalling realtek) but realtek keeps reinstalling itself and replacing everything I try to put in its place (mainly just a generic HD audio driver given when you select update and browse my computer for drivers )

von

Hi @jusse

So in conclusion this mainboard is Realtek soundcard.

Had you tried installing the realtek drivers from toshiba ?

use the installer file to complete the setup.

von

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Hi @jusse,

I’m wondering if the headphone jack is faulty and needs to be replaced.

Usually when headphones are plugged in, depending on the type of jack used and the circuit design, it either mechanically cuts off the audio to the laptop’s speakers and redirects it to the headphones or an internal contact in the jack sends a signal to the audio controller to switch the audio away from the speakers and onto the headphones.

Here are some guides that may be of some help.

Toshiba Satellite C55Dt-A5306 guide

Toshiba Satellite C55-A5140 Headphone jack Replacement guide

Headphone socket - (supplier example only). Just search online for Satellite C55D Audio jack to get suppliers that suit. I realize that the example only says C55 but couldn’t find any that specifically said C55D or even C55A or C55B etc so maybe it is the same for all C55 models

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Thank you so much for posting this. I have been dealing with this issue for a couple weeks now. Had resorted to using a USB headphone set from Amazon. Unfortunately the headphone have a cheap short usb adapter cable with volume control that the headphone 3.5mm cable jack plugs into. The volume control 3.5 port is cheap and quickly developed bad connection. The C55D does not have Bluetooth. I purchased a USB /Bluetooth adapter that I'm going to try with Echo Dot to confirm Bluetooth works. If "ok" I've ordered a set of Bluetooth headphones and will verify whether sound issues are internal or speaker/headphone jack.

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Justin E. Schneider wird auf ewig dankbar sein.
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