I have a new RB 433 UAH that i upgrade the OS and after that it does not boot up any more.
Try with POE and different power supply to make sure power was not the problem.
The RB come up the light shine on the network interfaces but no beep sound come up and then the LED LD504 come on and that is it nothing happen after it.
I also try serial port and nothing
I being reading for 2 days and i don’t see any way that i can recover this hardware.
I would suggest you should use netinstall to reinstall previous OS and see does unit boot up, and what file did you use for upgrade was it mipsbe version for rb400 series.
Was this your first time upgrading with winbox, did you allow enough time for new OS to install you didn’t by any chance remove the power to the board during the upgrade process which can take about 4-5mins, if you did then use a serial cable and use netinstall to recover by reinstalling the OS
Please i have similar issue with my RBSXTLite5ac, It does not boot up again after i did an upgrade. It only shows led light and nothing happens. please what do i do?