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Table 2-3
Error Symptoms List
Error Symptoms
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 not respond
or does not work.
Diagnostics programs cannot
be executed.
Missing diagnostics files(s).
Some or all keys on keyboard
do not work.
Pressing power switch cannot
turn off system.. (Only
unplug power cord from
electrical outlet can turn off
system.)
Pressing power switch cannot
turn on system..
Action/FRU
Joystick
Connect a joystick to the game port, then
execute "Interactive Test/Joystick test" in PC-
Doctor diagnostics program.
System board.
Diagnostic Program
Reboot the system from the diagnostics
diskette.
Load default settings.
Diagnostics diskette.
Memory module.
System board.
Diagnostics diskette.
Keyboard
"Keyboard" on page 2-32.
Power Supply
See "Power Management Setup" on page 1-
19.
Power switch cable assembly
"Power Supply" on page 2-35.
System board
Check the voltage selector on the power
supply if it is off.
Power switch cable assembly.
2-21
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