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ThinkCentre
Hardware Installation and Replacement Guide
MachineTypes: 6136, 6139, 6175, 7187, 7345, 7348, 7356, 7359, 7479,
7626, 7629, 7637, 8336, 8338, 8820, and 9961.
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ThinkCentre Hardware Installation and Replacement Guide
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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
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Contents Replacing the system fan assembly . . . . . .19 Figures . . . . . . . . . . . . . . .v Replacing a hard disk drive . . . . . . . . .21 Replacing an optical drive . . . . . . . . .22 Chapter 1. Important safety information 1 Replacing a memory module . . . . . . . .24 Replacing the adapter card . . . . . . . . .25 Chapter 2. Overview . . . . . . . . .3 Replacing the AC power adapter . . . . . . .27 Additional information resources . . . . . . .3 Replacing the intern
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iv Hardware Installation and Replacement Guide
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Figures 1. Controls and connectors . . . . . . . . .5 18. Removing the hard disk drive . . . . . .21 2. Locating the rear connectors . . . . . . .6 19. Installing the hard disk drive into the bracket 22 3. Locating components . . . . . . . . . .8 20. Removing the front bezel . . . . . . . .23 4. Locating parts on the system board . . . . .9 21. Removing the optical drive . . . . . . .23 5. Opening the computer cover . . . . . . .12 22. Retainer bracket for optical driv
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vi Hardware Installation and Replacement Guide
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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 a copy of the ThinkCentre Safety and Warranty Guide, you
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2 Hardware Installation and Replacement Guide
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Chapter 2. Overview This guide provides information about installing and or replacing Customer Replaceable Units (CRUs). However, this guide does not include procedures for all parts. It is expected that cables, switches, and certain mechanical parts be replaced by trained service personnel without the need for step-by-step procedures. Note: Use only parts provided by Lenovo. This guide contains instructions for installing and or replacing the following parts: v Battery v Front aud
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Handling static-sensitive devices Do not open the static-protective package containing the new part until the defective part has been removed from the computer and you are ready to install the new part. Static electricity, although harmless to you, can seriously damage computer components and parts. When you handle parts and other computer components, take these precautions to avoid static-electricity damage: v Limit your movement. Movement can cause static electricity to build up aro
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Locations This section provides illustrations to help locate the various connectors, controls, and components of the computer. Locating controls and connectors on the front of your computer Figure 1 shows the location of the controls and connectors on the front of your computer. Note: Not all computer models have the following controls and connectors. Figure 1. Controls and connectors 1 USB connector 3 Microphone connector 2 Headphone connector 4 USB connector Chapter
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Locating connectors on the rear of your computer Figure 2 shows the location of connectors on the rear of your computer. Some connectors on the rear of your computer are color-coded to help you determine where to connect the cables on your computer. Figure 2. Locating the rear connectors 1 VGA (Video graphics array) 8 Cover-release button monitor connector 2 USB connectors (3) 9 Adapter card slot 3 Ethernet connector 10 Audio line-out connector 4 Audio line-in conne
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Connector Description USB connector Used to attach a device that requires a Universal Serial Bus (USB) connector, such as a USB keyboard, a USB mouse, a USB scanner, or a USB printer. If you have more than eight USB devices, you can purchase a USB hub, which you can use to connect additional USB devices. Ethernet connector Used to attach an Ethernet cable for a local area network (LAN). Note: To operate the computer within FCC Class B limits, use a Category 5 Ethernet cable. Audio li
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Locating components To open the computer cover, see “Opening the cover” on page 11. This section shows the location of the various components in your computer. Figure 3. Locating components 1 Optical drive 5 Heat sink 2 Front bezel 6 Battery 3 Hard disk drive 7 Memory slots (2) 4 System fan assembly 8 Internal speaker 8 Hardware Installation and Replacement Guide
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Identifying parts on the system board The system board (sometimes called the planar or motherboard) is the main circuit board in your computer. It provides basic computer functions and supports a variety of devices. Figure 4 shows the location of parts on the system board. Figure 4. Locating parts on the system board 1 Microprocessor 9 PCI slot 2 Clear CMOS/Recovery jumper 10 Front USB connector 2 3 Thermal sensor connector 11 Intrusion switch connector/Cover presenc
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10 Hardware Installation and Replacement Guide
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Chapter 3. Installing options and replacing hardware This chapter provides an introduction to the features and options that are available for your computer. You can expand the capabilities of your computer by adding or replacing memory, adapter cards, and drives. When installing an option, use these instructions along with the instructions that come with the option. Attention Do not open your computer or attempt any repair before reading the “Important safety information” in the Thi
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5. Carefully lift and position the computer upside down as shown in 6. 6. Pivot the cover-release button 1 on the rear of the computer and then raise the cover as shown. Figure 5. Opening the computer cover Installing internal options Important Read “Handling static-sensitive devices” on page 4 before opening the computer cover. Installing memory Your computer has two slots for installing SODIMMs (small outline dual inline memory modules) that provide up to a maximum of
