I bought a lcd controller board for my old laptop screen recently, but when I plugged everything in the screen was just like this. I don't know what's the problem. : r/diyelectronics
For B125XTN01.0 LED laptop 1366*768 EDP 30 pin LCD monitor controller board kit | eBay
14 pollici 15 pollici 1024x768 Schermi LCD Per Notebook FAI DA TE Un monitor Kit scheda del controller RTD2270L BORDO di Driver 30pin LVDS cavo - AliExpress
Six Monitor Controllers You Need To Check Out In 2022 | Production Expert