81Table 2-3 Error Symptoms ListError Symptoms Action/FRUNOTE: To diagnose a problem, first find the error symptomin the left column. If directed to a check procedure, replace theFRU indicated in the check procedure. If no check procedureis indicated, the first Action/FRU listed in right column is themost likely cause.Printing failed. Make sure that the printer driver isproperly installed.Refer to the service manual for theprinter.Printer.Printer cable.System board.Printer problems. Refer to the service manual for theprinter.JoystickGame port does notrespond or doesnot work.Connect a joystick to the game port,then execute “Interactive Test/Joysticktest” in PC-Doctor diagnostics program.System board.Diagnostic ProgramDiagnostics programscannot beexecuted.Reboot the system from the diagnosticsdiskette.Load default settings.Diagnostics diskette.Memory module.System board.Missing diagnosticsfiles(s).Diagnostics diskette.KeyboardSome or all keys onkeyboard do notwork.“Keyboard“ on page 92.Power SupplyPressing powerswitch cannot turn offsystem.. (Only unplugpower cord fromelectrical outlet canturn off system.)See ”Power Management Setup” onpage 55.Power switch cable assembly"Power Supply" on page 96.System boardPressing powerswitch cannot turnon system..Check the voltage selector on thepower supply if it is off.Power switch cable assembly.
