34 IBM Desktop System HMMThe hard disk drive contains pre-loaded software. Besure to reload the software on the primary hard diskdrive (Drive C) when replacing it.IMPORTANT: The drives in the system you areservicing may have been rearranged, or thedrive startup sequence has changed. Beextremely careful during write operations, suchas copying, saving, or formatting. Data orprograms can be overwritten if you select anincorrect drive. Ask the customer to back upany additional software from the hard diskdrive before you reload the software.How to Diagnose Combined FRUs: If an adapter ordevice consists of more than one FRU, any of theFRUs might cause an error code. Before replacingthe device or adapter, remove the FRUs one by oneto see if the symptoms change.If a newly replaced FRU does not correct theproblem: If you have reached this point of the checkprocedures and were instructed to replace a FRU butdoing so did not correct the problem, reinstall theoriginal FRU and go through “Start” again.If you want to print a copy of a Configuration/SetupUtility screen to an attached printer, press PrintScreen key while the following screen is displayed.READ THE FOLLOWING:Human Error is a cause for concern when appliedto check procedures. It exists in every first timeset of analysis procedures. It is thereforeessential for effective and time-efficient servicingthat each stage of every procedure be verified.(For example: When a symptom is found, or whena symptom appears to have been cured; thepreceding steps should be repeated for accuracyof analysis.)001 - START• To begin, note the following:• Disable the setting of “Fast POST Mode” inConfiguration/Setup Utility.• To disable or reset the power-on password, see“Power-On Password” on page 11.• Disconnect all external cables and devices
