Lenovo ThinkCentre 8336 Parts list manual

ThinkCentre
Hardware Installation and Replacement Guide
Machine Types: 6136, 6139, 6175, 7187, 7345, 7348, 7356, 7359, 7479,
7626, 7629, 7637, 8336, 8338, 8820, and 9961.

ThinkCentre
Hardware Installation and Replacement
Guide

Note
Before using this information and the product it supports, be sure to read and understand the ThinkCentre Safety and
Warranty Guide for this product and “Notices,” on page 35.
First Edition (November 2008)
©Copyright Lenovo 2008. All rights reserved.
LENOVO products, data, computer software, and services have been developed exclusively at private expense and
are sold to governmental entities as commercial items as defined by 48 C.F.R. 2.101 with limited and restricted
rights to use, reproduction and disclosure.
LIMITED AND RESTRICTED RIGHTS NOTICE: If products, data, computer software, or services are delivered
pursuant aGeneral Services Administration ″GSA″contract, use, reproduction, or disclosure is subject to restrictions
set forth in Contract No. GS-35F-05925.

Contents
Figures ...............v
Chapter 1. Important safety information 1
Chapter 2. Overview .........3
Additional information resources .......3
Handling static-sensitive devices........4
Locations ...............5
Locating controls and connectors on the front of
your computer.............5
Locating connectors on the rear of your computer 6
Locating components ..........8
Identifying parts on the system board .....9
Chapter 3. Installing options and
replacing hardware .........11
Installing external options .........11
Opening the cover ............11
Installing internal options .........12
Installing memory ...........12
Replacing the battery ...........13
Replacing the front audio and USB assembly ...14
Replacing the heat sink ..........16
Replacing the microprocessor ........17
Replacing the system fan assembly ......19
Replacing ahard disk drive .........21
Replacing an optical drive .........22
Replacing amemory module ........24
Replacing the adapter card .........25
Replacing the AC power adapter .......27
Replacing the internal speaker ........28
Replacing the keyboard ..........29
Replacing the mouse ...........30
Chapter 4. Completing the parts
replacement ............31
Obtaining device drivers ..........32
Chapter 5. Security features .....33
Integrated cable lock ...........33
Password protection ...........33
Erasing alost or forgotten password (clearing
CMOS) ................34
Appendix. Notices ..........35
Television output notice ..........36
Trademarks ..............36
©Copyright Lenovo 2008 iii

iv Hardware Installation and Replacement Guide

Figures
1. Controls and connectors.........5
2. Locating the rear connectors .......6
3. Locating components..........8
4. Locating parts on the system board .....9
5. Opening the computer cover .......12
6. Installing amemory module .......13
7. Removing the old battery ........13
8. Installing anew battery ........14
9. Removing the front bezel ........15
10. Removing the front audio and USB assembly 15
11. Removing the heat sink ........16
12. Removing the microprocessor ......17
13. Lifting the microprocessor .......18
14. Installing the microprocessor .......18
15. Removing the system fan assembly ....19
16. Installing the short rubber mounts .....20
17. Replacing the system fan assembly.....20
18. Removing the hard disk drive ......21
19. Installing the hard disk drive into the bracket 22
20. Removing the front bezel ........23
21. Removing the optical drive .......23
22. Retainer bracket for optical drive .....23
23. Replacing the optical drive .......24
24. Removing the memory module ......24
25. Installing the new memory module ....25
26. Releasing the system board .......26
27. Removing the adapter card .......26
28. Connecting the AC power adapter .....27
29. Removing the internal speaker ......28
30. Keyboard connectors .........29
31. Replacing amouse ..........30
32. Routing the cables ..........31
33. Closing the computer cover .......32
34. Integrated cable lock .........33
©Copyright Lenovo 2008 v

vi Hardware Installation and Replacement Guide

Chapter 1. Important safety information
CAUTION:
Before using this manual, it is important that you read and understand all the
related safety information for this product. Refer to the ThinkCentre Safety and
Warranty Guide that you received with this product for the latest safety
information. Reading and understanding this safety information reduces the risk
of personal injury and or damage to your product.
If you no longer have acopy of the ThinkCentre Safety and Warranty Guide,you can
obtain one online from the Lenovo®Support Web site at:
http://www.lenovo.com/support
©Copyright Lenovo 2008 1

2Hardware Installation and Replacement Guide