: Ensure your panel resolution is 1366x768 . Installing 1920x1080 firmware on a 1366x768 panel can cause a black screen or distorted image.
Updating via USB is the standard method for fixing issues like being "stuck on logo" or "dead" motherboards. Download CV358H B42 1366x768 Iconic part09 rar
: You must have every part (part01 through part09, or more if applicable) in the same folder. Opening the first part will automatically extract the full .bin update file. : Ensure your panel resolution is 1366x768
: Use a tool like WinRAR or 7-Zip to extract the Ctv358Upgrade.bin (or similarly named) file from the downloaded archive. Download CV358H B42 1366x768 Iconic part09 rar