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#97083 - 11/17/17 03:55 PM Vizio P75-C1 latest firmware bricked my 975!
rbpett Offline
Deputy Gunslinger

Registered: 11/04/08
Posts: 14
Hey gang, I have the 975 with 4 devices connected via HDMI, and one cable to the TV. TV is Vizio P75-C1. It did a firmware update a month or so ago, and ever since it can't acquire a "handshake" with the 975. Audio keeps unlocking, and no video to the TV. If I bypass the reciever, all is good. Latest firmware for TV is 3.4.8.5. So far Vizio support hasn't been very helpful. I've told them if they can't find a fix for me I'd like to somehow roll back my firmware. Awaiting a response. Anybody have any thoughts as to what the problem could be?

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#97084 - 11/18/17 05:43 AM Re: Vizio P75-C1 latest firmware bricked my 975! [Re: rbpett]
EEman Offline
Desperado

Registered: 11/11/09
Posts: 447
Loc: Canton, MI
What vintage is your 975? You can check the SW version of the 975 by pressing Input and Mute buttons together. (DO NOT press Tuner and Mute together as this will perform a factory reset).

SW version 5.3 is the latest that I'm aware of.
_________________________
975/7075/SMS-1
Aperion Verus Grand Towers & Bookshelves, Verus Forte Center, Infinity Surrounds, Ultra-X12
Oppo BDP-103, XBOX360, Xbox One
Samsung 51" Plasma
RR2150 w/Klipsch SCR-2

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#97089 - 11/19/17 06:20 AM Re: Vizio P75-C1 latest firmware bricked my 975! [Re: rbpett]
phalko Offline
Deputy Gunslinger

Registered: 07/21/17
Posts: 1
I have a Vizio M55 (2015 model), Outlaw 975 --> Vizio basically doesn't work. Vizio --> 975 (via HDMI ARC) works about half the time. Welcome to the world of HDMI handshake problems.

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