Solved No sound from speaker/headphones, can't find any errors.

[artur]

Perfect: REALTEK, allways install the driver with panel

Perfect:

For REALTEK, allways install the driver that comes with the panel named "Realtek Sound Manager" (also seen on the Windows Control Panel & Tray Icon Area (orange icon, if visible, after installation) -- otherwise, you'll get a "half-instalation" only).

Example: Realtek Sound Manager appears, like this

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In other cases, the system SET DIGITAL audio as default, though you had "the speakers" (analogic) set as the current default(!) -- erroneously, some programs assumes(?) that the digital be the default, like Skype can do: So, disable, momentarily, other inputs, verify that the pair [5.1 & speakers] are the actual set, to work fine.

Good luck y'all

Artur.
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[beartunes]

Found this thread because I paired a set of Moto Surround headphones to my Samsung all-in-one, and the sound was terrible. Played with the EQ settings, etc. and from youtube videos to realplayer, nothing sounded 'right'. I plugged in a wired pair into the bose 'hub' that my bose speakers have (it's a on/off switch and rotary volume with passthru headphone jack) and now my external speakers no longer work!
all my realtek drivers seem to have disappeared and there's a BT item in my device manager with a yellow exclamation mark now.
Hope someone can help. I tried unplugging the AUX out from the computer and then back in, but this isn't usb so windows sort of recognizes something was unplugged and back in but it's not reinstalling drivers. And now my sound control panel has NOTHING in it and windows says no playback device is installed.