Trouble stopping

Whenever possible, it's better to quit an application than to just turn off the power. If your application doesn't have a Quit option on the menu, try these escape methods (until you find one that works):

  • Press Q (for Quit).
     
  • Press Esc.
     
  • Press Control-C.
     
  • Press Control-C, then press Return.
     
  • Press Control-Reset.
     
  • Press Open-Apple-Control-Reset
     
  • Turn off the power switch.

Reset is the key with the triangle.


Trouble using an application


Problem
Analysis
Solution

You get the message I/O ERROR (Input/Output) on your screen.

The computer is having trouble exchanging information with a peripheral device. Most of the time, it points to a problem with a disk drive. (With 5.25- inch drives, you get this message if the drive door isn't shut.)

Take the disk out of the disk drive and see if it's the one you thought it was. If it's not, replace it and repeat what you were doing when you got the error message. Check to make sure your printer and disk drive are securely plugged into the computer.

You can also get this message if your drive is connected to slot 1, 2, or 3 and you're using the Fast system speed.

Switch to Normal speed or connect the drive to slot 4, 5, 6, or 7. I/O is slowed down automatically in these slots for Disk II controller cards so you can use software designed for earlier models of the Apple II.

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