                      [White Screen Bug]
                              |
         +--------------------+--------------------+
         |                                         |
[No Logic VDD / RESET Stuck Low]       [AVDD / VGH Bias Boost Failure]
         |                                         |
Measure VDD pin = 0V                   Measure AVDD = 0V, VGH = 0V
Fix: Check LDO & Reset GPIO            Fix: Check Boost Diode & Inductor
