LTF320AP11 panels are infamous for "T-Con to X-Driver communication failure." The LVDS signals are intact, but the panel's internal logic fails.
If you lack hot air soldering equipment or a multimeter, this repair is not for you. But for the experienced hobbyist, reviving an LTF320AP11 panel costs less than $10 and saves a perfectly good display from a landfill. ltf320ap11 panel repair
Multimeter, soldering iron, hot air station, Kapton tape, and a steady hand. Have a specific symptom not listed? Comment below or consult the LTF320AP11 service manual (available on ElektroTanya). Good luck with your repair! LTF320AP11 panels are infamous for "T-Con to X-Driver
T-Con board failure, blown SMD fuse, or DC-DC converter failure on the T-Con. hot air station