I'm going crazy when my computer kept saying I/O error please replace disk,command.com interpreter. I tried to use madboot disk on cd but It didn't work I want to use the madboot so I can reinstall windows 98se after I replaceed the harddrive. The only computer I can use is my new laptop and Im using my laptop as a support for the other computer we have. but the thing is,,,,, this laptop doesnt have the A drive only the Cd/DVD rom drive. Does anyone or can anyone help me with my problems?