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Hello, You would connect the Laptop to the Vizio using an HDMI cable (to any of the HDMI ports on the TV). Select that port using the Vizio's INPUT button, and then go into the computer's settings under "Hardware and Sound" and go to "Display" then "External Monitor/Projector" (all depends on which version of Windows you have and what Laptop you have). This will either mirror or extend the display onto your Vizio depending on which setting you choose.
However if you're referring to how to "Wirelessly" mirror the Laptop onto the TV, then the Vizio does not have that capability. (the "C" series is not included in the "Smart Cast" lineup of Vizio TV's).
In order to do this wirelessly with your TV, you would need a Google Chromecast connected to the TV's HDMI port and will then follow the instructions provided with the Chromecast in order to mirror your Laptop onto the TV. The Chromecast is available at the link below:
That device will get you wireless streaming from Android and Laptop devices.
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