Hp 21-ho39 and external monitor

I have an external monitor I would like to hook up to my all-in-one. But it only allows me to hook up a wireless monitor. My computer does not see my external monitor.
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While backwards wording, it might be similar to the one I showed.  Did you actually get one that supported Windows 8.1, as the one I linked does?  Also, did you install the software for it?
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