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Chapter 1. About this manual
This manual contains service and reference information for ThinkCentre® computer machine types listed
on the front cover. All the information in this manual is intended only for trained Service Providers who are
familiar with Lenovo® computer products. Before using this information and the product it supports, be sure
to read and understand the Chapter 2 “Safety information” on page 3
and Appendix A “Notices” on page 207.
The “Symptom-to-FRU Index” chapter and the “Additional service information” chapter apply to all
ThinkCentre computers.
This manual includes a complete eld replaceable unit (FRU) part number list for each machine type listed on
the front cover. If you have Internet access, the FRU part number lists are also available at:
http://www.lenovo.com/support
Important safety information
Be sure to read and understand all caution and danger statements in this manual before performing any of
the instructions.
Veuillez lire toutes les consignes de type DANGER et ATTENTION du présent document avant d'exécuter
les instructions.
Lesen Sie unbedingt alle Hinweise vom Typ "ACHTUNG" oder "VORSICHT" in dieser Dokumentation, bevor
Sie irgendwelche Vorgänge durchführen
Leggere le istruzioni introdotte da ATTENZIONE e PERICOLO presenti nel manuale prima di eseguire una
qualsiasi delle istruzioni
Certique-se de ler todas as instruções de cuidado e perigo neste manual antes de executar qualquer
uma das instruções
Es importante que lea todas las declaraciones de precaución y de peligro de este manual antes de seguir
las instrucciones.
Important information about replacing the RoHS compliant FRUs
RoHS, the Restriction of Hazardous Substances in Electrical and Electronic Equipment Directive
(2002/95/EC) is a European Union legal requirement affecting the global electronics industry. RoHS
requirements must be implemented on Lenovo products placed on the market and sold in the
European Union after June 2006. Products on the market before June 2006 are not required to
have RoHS compliant parts. If the parts are not compliant originally, replacement parts can also
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