No serial connection... Board stuck in dfu mode

Basic Information:

Printer Model: modified ender3 v2
MCU / Printerboard:manta m5p
klippy.log
klippy (6).log (436.2 KB)
i have been trying everything i have read in forums to fix this… i was setting up ebb36 canbus when printer just shutdown… i thought something happend to cb1 so i bought a new one… installed it and still nothing… board is stuck in dfu mode… i have tried flashing but restarting just enters dfu… plz help … NO Serial connection/ cant open serial port!

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