: Ensure your panel resolution is 1366x768 . Installing 1920x1080 firmware on a 1366x768 panel can cause a black screen or distorted image.
Keep holding until you see the update progress bar on the screen or the standby light begins flashing rapidly. Download CV358H B42 1366x768 Iconic part09 rar
: If the picture is upside down or has weird colors, you may need to enter the Service Menu (usually Input + 208 or Menu + 1147 ) to adjust "Panel Mirror" or "LVDS Mapping" settings. : Ensure your panel resolution is 1366x768
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