IBM Aptiva 2142 - Manual (Page 72)

Table 2-1 (Page 6 of 23). POST and Diagnostics and Utilities Index
for Symptoms, Messages, Error Codes, or Beeps
Symptoms, Messages, Error
Codes, or Beeps Action/FRU
Invalid Format - Bad Track
error message appears when
trying to format a known-good
diskette.
Diskette drive connection/cable
Diskette drive
System board
Incorrect memory size shown or
repeated during POST. “Memory” on page 2-37.
Invalid Time
Clock/DOS time mismatch.
Back-up clock and DOS time of
day settings do not match. RTC Battery
System Board
Joystick does not respond at all. 1. Ensure the joystick is plugged
completely into the joystick/MIDI
adapter plug on the system board and
secured with the screws on the adapter
plug.
2. Verify that the software application
used with the joystick has joystick
support.
3. Ensure the joystick is enabled in the
software application. This might
require entering keystrokes or a
configuration utility in the software
application.
If the above steps find no problem, see the
“Joystick does not work correctly” symptom
below.
Joystick does not work correctly
(installation is correct—see
above symptom). 1. Disable the joystick in the software
application.
2. Enable the mouse as the input device
in the software application.
3. If the mouse works in the software
application, replace the joystick. If the
symptom remains, replace the system
board.
4. If the mouse does not work, check the
software application troubleshooting
information provided by the
manufacturer.
2-16