Thanks to Diah, got M557-G0 LCD panel buffer board repaired and running ( link ) Next challenge is no WiFi/Bt despite module on the main board and getting 3.3v supply (3.45v measured)
TV Menu shows Network Access Point option (enet unplugged) but menu can't select that entry
Service Menu shows many Bt/Wifi info missing
Vizio app shows no WIFIVendor file
Prior owner used enet and said turned off wifi somehow. It seems system config info for wifi might be missing. Anyone experienced this before?
Tried countless enet unplug (user manual said need to unplug enet to get to wifi menu), factory
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