rbsxtsq5nd does not appear in winbox discovered routers list

sxtsq lite 5 (RBSXTsq5nD) (new device, taken out of the box today and used on the bench only today)

intro

Problem>
It does not appear in winbox’s list of discovered routers;
It is also not identified by netinstall.

Note>
Through windows cmd
It is identified through the command “ipconfig”
and “yes” responds to the command “ping 192.168.88.1 -t”

About>

I was messing around with ip/dhcp settings. Without undoing the settings I went for an update:

Using only the https://mt.lv/winbox64 interface

Through the “Files” menu
I uploaded the file https://download.mikrotik.com/routeros/7.8/routeros-mipsbe-7.8.npk

I applied it through the “System > RouterBOARD” menu and selected the “UPGRADE” option.
Notes: “No” I changed nothing in the options that were below: “settings”, “usb power” reset and “reset button”.

After restarting, it no longer identified in Winbox.

I already followed the guidelines:
https://wiki.mikrotik.com/wiki/Manual:Netinstall

I already followed the guidelines of the “Configuration” and “Buttons and Jumpers” sections
https://help.mikrotik.com/docs/display/UM/SXTsq-series

I already followed the instructions in the “Starting Winbox” section
https://wiki.mikrotik.com/wiki/Manual:Winbox#Starting_Winbox