IBM PC 300 Maintenance Service Manual page 66

Table 2-3 Error Symptoms List
Error Symptoms Action/FRU
NOTE: To diagnose a problem, first find the error symptom in the left column. If
directed to a check procedure, replace the FRU indicated in the check
procedure. If no check procedure is indicated, the first Action/FRU listed in right
column is the most likely cause.
Game port does Connect a joystick to the game port, then execute
not respond or "Interactive Test/Joystick test" in PC-Doctor diagnostics
does not work. program.
System board.
Diagnostic Program
Diagnostics Reboot the system from the diagnostics diskette.
programs cannot
Load default settings.
be executed.
Diagnostics diskette.
Memory module.
System board.
Diagnostics diskette.
Missing diagnostics
files(s).
Keyboard
Some or all keys on "Keyboard" on page 75.
keyboard do not
work.
Power Supply
Pressing power See "Power Management Setup" on page 48.
switch cannot turn
Power switch cable assembly
off system.. (Only
"Power Supply" on page 77.
unplug power cord
from electrical
System board
outlet can turn off
system.)
Pressing power Check the voltage selector on the power supply if it is off.
switch cannot turn
Power switch cable assembly.
on system..
Executing software Load default settings.
shutdown from
Reload software from Recovery CD.
Windows98 Start
menu cannot turn
off system. (Only
pressing power
switch can force
system to turn off).
No system power, "Power Supply" on page 77.
or power supply fan
System board.
is not running.
Other Problems
Any other "Undetermined Problems" on page 80.
problems.
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