Making mistakes is part of the learning process--the easy part. The hard part is figuring out what went wrong and fixing it. That's the purpose of this appendix.
If the problem involves a loose connection. turn off the power and wait at least 30 seconds before connecting anything to or disconnecting anything from the computer.
You don't hear anything from your disk drive when you turn on the power.
The disk drive isn't plugged into the computer, or the Control Panel setting for Startup Slot is wrong.
Turn off the computer's power and plug it in. If that's not the problem, check the Control Panel slot settings.
You get the message Check Startup Device.
You forgot to put a disk in the startup drive, it's a data disk and not an application disk, or the disk has a DOS 3.2-based application.
Put a startup disk in the startup drive and turn on the power. If the application on the disk is DOS 3.2- based, read the section "Starting Up DOS 3.2 Applications."