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Solved HDMI not working on Raspberry Pi 3 for Vizio P-Series

There is the theory that the HDMI output of the Raspberry Pi is only initialized if a monitor/television is connected and powered up before a Raspberry Pi 3 is turned on.
Yet when I connect my Raspberry Pi 3 to a old Panasonic Plasma display the Raspberry Pi actually turns on the device and the screen activates every time.
Not so with the Vizio P series I just hung on the wall.

Aside: some of the Panasonic HDMI ports were damaged in a painting disaster…never use a 20lb weight to hold a tarp.

With the Vizio, whether the monitor is on or off and the correct HDMI port is selected or not, the Raspberry Pi 3 simply never brings up HDMI output.

Edit the /boot/config.txt file and uncomment these two lines

#hdmi_force_hotplug=1

#hdmi_drive=2

And the device works every time from every state.  The first line is as it appears, the second activates HDMI and enables sound rather than DVI mode which does not.

I did like that the Vizio takes edits the HDMI connection in its table to Raspberry

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