There are so many USB to optical and other sound cards that the answer must be simply yes. Here is the google.
https://www.google.com/search?q=Windows+USB+to+optical+adapters&ie=utf-8&oe=utf-8
is there a way to install an internal or external soundcard to this
computer Lenovo ideacentre b540. I am wanting to use my surround sound system on this computer. right now I am using a 3.5 mm headphone jack through an adapter. sound is choppy,buzzy popping depending on the settings I use on the surround sound control panel

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