lg g2 f320 no fastboot no download no recovery topic

Hi i have an lg g2 f320l corean version thet is stock on lg screen when I enter download mode it stai whit the download mode logo first screen when you enter download mode the problem is system partition get corrupted somehow . i have factory recovery from android 4.2.2 when i pres volum + and power it is going in som cinde off service with adb suport when i type adb reboot recovery it enters recovery buth iti only the green android with red triangle