XDJ-RX error reading USB1

Hi, I have not used my XDJ for a while, wanted to play a bit and now suddenly at turning on it gives an error message USB1 cannot be read.

Tried with several sticks (old, new, large, small, all FAT32) --> still doesn't work.

Tried to update the firmware (is still at v.1.80) but that's not possible because USB1 does not work.

Who can help me please?