How about reading the dashboardname from the files on C:\ and make a suggestion for the user? Maybe like this: (i´m not a programmer)
read xbe-files on C:\ > $dashboardname
case $dashboardname ==
"evoxdash" then prompt "evoxdash"
"xboxdash" then prompt "xboxdash"
"everything_else" prompt user_to_insert_manually
this would help users who don´t know their dashboard name or users which are not so familiar with Xbox-things