IBM Aptiva 2159 Manual

Also see for Aptiva 2159: Hardware maintenance service

Chapter DescriptionThis chapter contains general information about the contents of this manual,product descriptions, and other information useful when servicing theproduct.Diagnostic InformationThe diagnostic information contains the check procedures you use todiagnose and isolate product failures. Diagnostic information consists of:Start:This is the starting point for any diagnostic action. Based onhigh-level symptoms, the information in this check procedure directsyou to more detailed procedures to help you resolve the machinefailure.Symptoms, Messages, Error Codes, and Beeps:The Index of Symptoms, Messages, Error Codes, or Beeps listssymptoms and their probable causes, and directs you to the applicablecheck procedures to help you resolve the machine failure. The indexalso lists which FRU is the likely cause of the problem.Check Procedures:When the Start check procedure sends you to a specific checkprocedure or the Index of Symptoms, Messages, Error Codes, orBeeps, turn to that section and perform the steps as instructed. Ifthere are any notes or instructions at the top of the page, read thembefore you start the procedure.Carefully read each step of the check procedure and perform theappropriate action as instructed. If you do not remember the locationof a specific part or test point, or if you do not remember anadjustment or removal procedure, see the chapter with thatinformation. Always return to the check procedure after you do this.In some cases, you are sent to other check procedures to find thefailure.Diagnostic Aids:The Diagnostic Aids chapter contains additional information to helpyou diagnose a failure of a specific part.1-2