Connect to console

screen /dev/ttyACM0

delete all

enable
format flash:

Re-Install system

flash_init

# debug
dir flash:
dir usbflash0:

# copy usbflash0:c2960cx-universalk9-mz.152-7.E12.bin flash:c2960cx-universalk9-mz.152-7.E12.bin

copy usbflash0:c2960cx-universalk9-mz.152-7.E12.bin flash:
c2960cx-universalk9-mz.152-7.E12.bin

boot flash:c2960cx-universalk9-mz.152-7.E12.bin


enable
conf t
boot system flash:c2960cx-universalk9-mz.152-7.E12.bin
end
write memory
show boot



enable
write erase
reload