46
Game port does not respond or 
does not work.
Connect a joystick to the game port, then execute 
“Interactive Test/Joystick” test in PC-Doctor 
diagnostics program.
System board.
Diagnostic Program
Diagnostics programs cannot 
be executed.
Reboot the system from the diagnostics diskette.
Load default settings.
Diagnostics diskette.
Memory module.
System board.
Missing diagnostics files(s). Diagnostics diskette.
Keyboard
Some or all keys on keyboard 
do not work.
“Keyboard” on page 56.
Power Supply
Pressing power switch does not 
turn off system. (Only unplug 
power cord from electrical 
outlet can turn off system.)
See “Power Switch< 4 sec.” on page 4. 
Power switch cable assembly
“Power Supply” on page 59
Pressing power switch does not 
turn on system.
Ensure the power override switch(situated at the 
back of the machine, just above the connector for 
the power cable) is not set to off.
Power switch cable assembly.
Executing software shutdown 
from Windows98 Start menu 
does not turn off system. (Only 
pressing power switch can turn 
off the system). 
Load default settings.
Reload software from Recovery CD.
No system power, or power 
supply fan is not running. 
“Power Supply” on page 59
System board.
Other Problems
Any other problems.  “Undetermined Problems” on page 63
Table 2-3 Error Symptoms List
 (Continued)
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.
Error Symptoms  Action/FRU