This is how to install firmware on a cisco switch incase you have wiped out the image or are stuck at the ROMON prompt.
I am connected to both through the console
Console cables i am using.
Amazon Basics USB-A to Mini USB (6 foot) https://amzn.to/4tBkLnQ
USB Console Cable,USB to RJ45 Console Cable https://amzn.to/4kljfle