IBM Aptiva 2170 Hardware Maintenance Service Manual page 85

Table 2-3 Error Symptoms List
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
Game port does not respond or
does not work.
Diagnostics programs cannot
be executed.
Missing diagnostics file(s).
Some or all keys on keyboard
do not work.
Pressing power switch does not
turn off system. (Only unplug
power cord from electrical
outlet can turn off system.)
Pressing power switch does not
turn on system.
(Continued)
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 62.
Power Supply
"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
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.
Action/FRU
Check Procedures 51