I would suggest you check on a Macintosh group or on the Internet for more information on your problem.
Donald Fred G. Laing wrote:
Have a IIsi apple machine which will not boot up at startThe only indication is a flashing "?" on the screen The solution suggested is to reboot the machine with start up floopy disk program which I do not possess Can someone advise how I might get a set of floppy diskd to rboot machine or where I can purchase same Please E mail me at MGSTFGL@MINDSPRING.COM