مشكلة في شاشة mp277 يظهر boot loader

عندى مشكله فى شاشه تاتش سيمنز
تظهر مشكله كالتالى
boot loader : MP277- 10 touch
version : 1.2
Date : 26.6.2007
فما الحل
رجاء الرد والصفحه التى يظهر فيها السابق بيضااااااء تماما

Hello
"Perform an OS update with the option "Reset to factory settings

You will need a RS232/PPI multi master cable

"Operating system update" (OS update) or "Reset to factory settings" on operator panels

Hello

Perhaps the following topic might help
https://support.industry.siemens.com/tf/ww/en/posts/how-to-reset-mp277-touch-to-factory-settings/57962?page=0&pageSize=10