Tp.vst59.p67 Software
Printed on the sticker on the back of the physical LCD panel.
The firmware baked in a panel ID that doesn't match your LCD's resolution (e.g., 1366x768 vs 1920x1080). You need to find a firmware version with a "universal panel auto-detection" or manually edit the firmware using MST Tool to change the LVDS mapping. tp.vst59.p67 software
Unplug the television completely from the wall outlet. Printed on the sticker on the back of the physical LCD panel