HDMI & USB Solutions – Smart TV Troubleshooting
Comprehensive technician-verified diagnostic protocols, root causes, component-level checks, and factory USB firmware solutions for Android TV, Google TV, and LED TV displays.
Our workshop engineers assist with motherboard voltage probing, panel bypass, and recovery firmware flashing via WhatsApp.
ARC / eARC Not Working
To fix ARC / eARC Not Working, perform a cold HDMI handshake reset by unplugging both devices from…
AV Input Not Working
To fix AV Input Not Working, perform a cold HDMI handshake reset by unplugging both devices from power,…
CEC Not Working
To fix CEC Not Working, perform a cold HDMI handshake reset by unplugging both devices from power, inspect…
HDMI No Signal Error
To fix HDMI No Signal Error, perform a cold HDMI handshake reset by unplugging both devices from power,…
HDMI Port Not Working
To fix HDMI Port Not Working, perform a cold HDMI handshake reset by unplugging both devices from power,…
HDMI Screen Flickering
To fix HDMI Screen Flickering, perform a cold HDMI handshake reset by unplugging both devices from power, inspect…
HDMI Sound Not Working
To fix HDMI Sound Not Working, perform a cold HDMI handshake reset by unplugging both devices from power,…
One HDMI Port Working, Others Not
To fix One HDMI Port Working, Others Not, perform a cold HDMI handshake reset by unplugging both devices…
TV Not Detecting HDMI Device
To fix TV Not Detecting HDMI Device, perform a cold HDMI handshake reset by unplugging both devices from…
TV Not Detecting Set-Top Box
To fix TV Not Detecting Set-Top Box, perform a cold HDMI handshake reset by unplugging both devices from…
TV USB Not Reading Firmware
To fix TV USB Not Reading Firmware, perform a cold HDMI handshake reset by unplugging both devices from…
USB Device Unsupported Error
To fix USB Device Unsupported Error, perform a cold HDMI handshake reset by unplugging both devices from power,…
USB Port Not Detecting Pendrive
To fix USB Port Not Detecting Pendrive, perform a cold HDMI handshake reset by unplugging both devices from…
Wrong Source / Input Problem
To fix Wrong Source / Input Problem, perform a cold HDMI handshake reset by unplugging both devices from…
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