IBM NetVista Hardware Manual page 57

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.
Display problem not listed above
(including blank or illegible
monitor).
NOTE: Execute "Load BIOS Default Settings" in BIOS Setup to confirm ports' presence before
diagnosing any parallel/serial ports problems.
Serial or parallel port loop-back
test failed.
Printing failed.
Printer problems.
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.
Executing software shutdown
from Windows98 Start menu
cannot turn off system. (Only
pressing power switch can
force system to turn off).
No system power or power
supply fan is not running.
Action/FRU
"Monitor" on page 68.
Load default settings (if screen is readable).
System board
Parallel
Make sure that the LPT# or COM# you test is the same as is set in
BIOS Setup.
Loop-back.
System board.
Make sure that the printer driver is properly installed.
Refer to the service manual for the printer.
Printer.
Printer cable.
System board.
Refer to the service manual for the printer.
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 64.
Power Supply
See "Power Management Setup" on page 39.
Power switch cable assembly
"Power Supply" on page 66.
System board
Check the voltage selector on the power supply if it is off.
Power switch cable assembly.
Load default settings.
Reload software from Recovery CD.
"Power Supply" on page 66.
System board.
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