About This Manual - Lenovo ThinkCentre M73z Hardware Maintenance Manual

About this manual

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This manual provides service and reference information for ThinkCentre computers listed on the front cover.
Chapter 6 "Symptom-to-FRU index" on page 59 and Chapter 9 "Additional service information" on page 119
are not specific to any machine type and are applicable to all ThinkCentre computers.
For major Field Replaceable Units (FRU) locations and Customer Replaceable Unit (CRU) identification,
see Chapter 7 "Locations" on page 65.
For FRU replacement instructions, see Chapter 8 "Replacing FRUs" on page 73.
For FRU part numbers, go to:
http:/www.lenovo.com/serviceparts-lookup
Important: This manual is intended only for trained service technicians who are familiar with ThinkCentre
computers. Use this manual along with the advanced diagnostic tests to troubleshoot problems effectively.
Before servicing a ThinkCentre computer, be sure to read and understand Chapter 1 "Safety information"
on page 1.