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I purchased a Panasonic SC-PT470 5.1 channel stereo system. I am trying to connect it to my Win11 laptop, a Lenovo Ideapad 320-15ISK but I am not even sure if the way I've set it up will work.

My laptop is connected to my TV via HDMI and the TV is sending audio to the receiver through an optical cable.

It works fine when running apps like Netflix on the TV itself, but when I try to play a game on my laptop, the rear speakers duplicate the front ones instead of having distinct channels. The subwoofer does work, and the center speaker does not play.

I am thinking the laptop cannot detect that there is a 5.1 audio output since the TV gets in the way, when I look at audio settings on the control panel it is as if I only had a 2-channel stereo system hooked up.

If that is the case, is there a way to maybe force the laptop to send a 5.1 audio signal even if it cannot detect the speakers?

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  • Lenovo Ideapad 320-15ISK
    – user1785745
    Commented Mar 29, 2023 at 20:55
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    The DVD player model? I don't think so, the label on the front panel says SA-PT470
    – user1785745
    Commented Mar 29, 2023 at 21:01
  • I figured it out. The system is SC-PT470: main unit SA-PT470, Front speakers SB-HF470, Center speaker SB-HC470, Surround speakers SB-HS470, Subwoofer SB-HW460
    – Blindspots
    Commented Mar 29, 2023 at 21:03
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    Does this answer your question? Use all 5.1 speakers with a 2.1 audio source
    – Blindspots
    Commented Mar 29, 2023 at 21:28
  • Hm, no, no luck, all the boxes but Front Left and Right Left are grayed out, it must definitely be the TV getting in the way and thus the laptop not detecting the rest of the speakers, so probably there's no way of getting a 5.1 output. Thanks a lot, though!
    – user1785745
    Commented Mar 29, 2023 at 21:57

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