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Table 2-3 Error Symptoms List
Error Symptoms Action/FRU
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.
Parallel/Serial Ports
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.
Make sure that the LPT# or COM# you
test is the same as is set in BIOS
Setup.
Loop-back.
System board.
Printing failed. Make sure that the printer driver is
properly installed.
Refer to the service manual for the
printer.
Printer.
Printer cable.
System board.
Printer problems.
Refer to the service manual for the
printer.
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.
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