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Thank you for the question. The HP All-in-One 24-cb1124 has one HDMI-out port for connecting to an external monitor. It does not have an HDMI-in port, so you cannot connect a gaming computer to this All-in-One as a display. For a better gaming experience, we recommend looking a gaming monitor which will have a better refresh rate.
Sorry, there was a problem. Please try again later.Thanks for your question. This model only has an HDMI out port to connect a second monitor. It does not have an HDMI in port.
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