不进系统西门子TP1200触摸屏主板启动进不去系统画面维修

不进系统西门子TP1200触摸屏主板启动进不去系统画面维修，启动进去进度条回行走没法进到系统软件，进系统时间长，系统软件持续重新启动，光标来回走动闪烁，OS更新链接不上，鼠标闪烁，无法进到系统，网线和主机不能通讯，插上网线网口标识灯不亮，进度条来回闪动，触摸屏和电脑通讯不上不能更新程序，触摸屏开机画面停留在

KP400; 6AV2 124-1DC01-0AX0

KTP400; 6AV2 124-2DC01-0AX0

KP700; 6AV2124-1GC01-0AX0

TP700; 6AV2124-0GC01-0AX0

TP700 Outdoor; 6AV2124-0GC13-0AX0

KP900; 6AV2124-1JC01-0AX0

TP900; 6AV2124-0JC01-0AX0

KP1200; 6AV2124-1MC01-0AX0

TP1200; 6AV2124-0MC01-0AX0

KP1500; 6AV2 124-1QC02-0AX0

TP1500; 6AV2 124-0QC02-0AX0

TP1500 Outdoor; 6AV2124-0QC13-0AX0

TP1900; 6AV2 124-0UC02-0AX0

TP2200; 6AV2 124-0XC02-0AX0

6AV2124-0GC01-0AX0 TP700

6AV2124-0JC01-0AX0 TP900

6AV2124-0MC01-0AX0 TP1200

6AV2124-0QC02-0AX0 TP1500

6AV2124-0UC02-0AX0 TP1900

6AV2 124-OXCO2-OAXO TP2200