Corrupted no longer working or somebody when an accidentally erased flash not a good idea today a and the input/output system is missing so the router can't load the operating system so it comes up to ROM monitor milder 200-120  remember Ruminator mild look something like this: and it’s basically a safe mode for your router they can go in and access and low denial ass and going repair your router so it’s like a safe fun let's take a look at what you're going to do when you run into this problem here so again the Iowa SES there but their arm there's more than one file and flash and the router is trying to load the wrong file as the ISL s since I don't have the appropriate version a ROM monitor on the router I have and my simulator doesn't have the appropriate version won't let me get into ROM on Irma I just basically typed up an example of what it's going to look like and what you going to want to do now the juror command basically is listing command we can use this command to list what's in a particular area of the router Sodom flash will show me what's in Flash this from the first things I want to check it by getting a raw monitor Mon I get that bad file magic number maybe the Iowa essential ash but there’s another file it's trying to load if I do adore flash and I see the input/output system in there and there's another file in there I canto in and I can use the boot flash command this guy right here what this allows..