RB 133 L3 reboot to default

RouterOS General
1

I’ve a RB 133c with licence level 3 2.9.51, and every time I reboot the board the operatin system comes to default setting, what could be the problem?

Thanks

2

make sure the reset jumper is not closed, also make sure no metal things touch anything on the board

3

Yes, you are right!!!

Thanks a lot!!