POST Message Description
301
303
A failure occurred during testing of the keyboard and keyboard controller.
These error messages also might be accompanied by continuous beeping.
Action:
Ensure that:
1. Nothing is resting on the keyboard and pressing a key.
2. No key is stuck.
3. The keyboard cable is securely attached to the keyboard connector on
the computer. (For the location of the keyboard connector, refer to
“External Connectors” on page 11.)
Note: If you have just connected a new mouse or other pointing device,
turn the computer off and disconnect that device. Wait at least 5
seconds, and then turn the computer on. If the error message goes
away, replace the device. If the error message remains, have the
keyboard and cable or the computer serviced.
601 A failure occurred during testing of the diskette drive and diskette-drive
controller. This error can be caused by a loose or incorrectly connected
cable, a failing drive, or a failing system board.
Note: The computer can be used, but one or more diskette drives might
not work.
Action: Verify that all diskette drive cables are properly installed and
securely connected.
Running the diagnostic programs might isolate the diskette drive that
failed, but you must have your computer serviced. (See “Diagnostic
Programs” on page 104 for information about diagnostic programs
provided with your computer.)
602 The computer is not able to start the diskette in the drive. The diskette
might be damaged or formatted incorrectly.
Action: Try another startable diskette that is formatted correctly and is in
good condition. (For information and instructions on formatting diskettes,
refer to “Formatting Diskettes” on page 27 and your operating system
documentation.)
If this does not correct the problem, have the computer serviced.
80 Using Your Personal Computer
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