Personal Computer Hardware Maintenance Manual
Table Of Contents
- Contents
 - Chapter 1. About this manual
 - Chapter 2. Safety information
 - Chapter 3. General information
 - Chapter 4. General checkout
 - Chapter 5. Diagnostics
 - Chapter 6. Using the Setup Utility
 - Chapter 7. Symptom-to-FRU index
 - Chapter 8. Replacing FRUs
- Locations
 - Opening the computer cover
 - Replacing the battery
 - Replacing a memory module
 - Replacing the adapter card
 - Replacing the front audio and USB assembly
 - Replacing the heat sink
 - Replacing the microprocessor
 - Replacing the system board
 - Replacing the system fan
 - Replacing the hard disk drive
 - Replacing the optical drive
 - Replacing the internal speaker
 - Completing the FRU replacement
 
 - Chapter 9. FRU lists
 - Chapter 10. Additional service information
 - Appendix. Notices
 

Chapter  1.  About  this  manual 
This  manual  contains  service  and  reference  information  for  ThinkCentre
® 
computer 
machine  types  listed  on  the  front  cover.  This  manual  is  intended  only  for  trained 
Service  Providers  who  are  familiar  with  Lenovo
® 
computer  products. 
Note:  Be  sure  to  read  and  understand  the  Chapter  2,  “Safety  information,”  on  page 
3  before  using  the  information  in  this  manual. 
The  “Symptom-to-FRU  Index”  chapter  and  the  “Additional  service  information” 
chapter  apply  to  all  ThinkCentre  computers. 
This  manual  includes  a  complete  FRU  part  number  list  for  each  machine  type 
listed  on  the  front  cover.  If  you  have  internet  access,  the  FRU  part  numbers  are 
also  available  at: 
http://www.lenovo.com/support 
Important  safety  information 
Be  sure  to  read  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 
Certifique-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. 
©  Copyright  Lenovo  2008,  2009  1










