Lost boot file for 4500, Help needed.

[AlexLi]

HI,

I tried to change the user name and password and ip address of a working 4500 switch via the console.  Everytime I made the changes and save from the system view, it did no save and I had to change to user view to save.  But then after reboot the swtich keep giving a message saying did not load the boot file.  I then started to deleted some of the files thinking this may force it to load the factory defaul files.  But I think I deleted too much.  Now the swtich can not boot because it can not find a boot file.  How do I solve this problem?  Thank you.