Check Procedures 51
Joystick
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 file(s). Diagnostics diskette.
Keyboard
Some or all keys on keyboard
do not work.
“Keyboard” on page 62.
Power Supply
Pressing power switch does not
turn off system. (Only unplug
power cord from electrical
outlet can turn off system.)
“Power Switch 4< sec. When set to Suspend, this
parameter adds the suspend function to the system
power button on the front panel. The suspend
function allows you to put the system into suspend
mode by pressing the power button for less than four
seconds while the system is on. When this
parameter is set to Power off, the power button
simply turns the system power on or off. This
parameter is set to Power off by default.” on page
21.
Power switch cable assembly
“Power Supply” on page 65
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.
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
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