Hardware Replacement Guide Lenovo 3000 J Series Types 7387, 7388, 7389, 7393, 7394, 7395
Lenovo 3000 J Series
Second Edition (February 2007) © Copyright Lenovo 2005, 2007. Portions © Copyright International Business Machines Corporation 2005. All rights reserved. U.S. GOVERNMENT USERS – RESTRICTED RIGHTS: Our products and/or services are provided with RESTRICTED RIGHTS.
Contents Overview . . . . . . . . . . . . . . v Chapter 2. Replacing hardware . . . . . 7 Safety information . . . . . Additional information resources Tools required . . . . . . . Handling static-sensitive devices Removing the cover . . . . . . . . . . . . 7 Replacing a memory module . . . . . . . . . 8 Replacing a PCI adapter . . . . . . . . . . 9 Replacing a keyboard . . . . . . . . . . . 11 Replacing a mouse . . . . . . . . . . . . 11 Completing the parts replacement . . . . . . . 12 . . . . . . .
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Overview This guide is intended to be used by customers who are replacing Customer Replaceable Units (CRUs). In this document, CRUs will be referred to as parts. This guide does not include procedures for all parts. It is expected that cables, switches, and certain mechanical parts can be replaced by trained service personnel without the need for step-by-step procedures. This guide contains instructions for replacing the following parts: Note: Use only the parts provided by Lenovo™.
When replacing a part, 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. 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 around you. v Always handle parts and other computer components carefully.
Chapter 1. Locations This chapter provides illustrations to help locate the various connectors, controls and components of the computer. To remove the computer cover, see “Removing the cover” on page 7. Locating the connectors on the front of your computer The following illustration shows the location of connectors on the front of the computer. 1 2 Headphone connector Microphone connector © Lenovo 2005, 2007. Portions © IBM Corp. 2005.
Locating the connectors on the rear of your computer The following illustration shows the location of connectors on the rear of the computer.
Locating components The following illustration will help you locate the various components in your computer. 1 2 3 4 Microprocessor and heat sink 5 Memory modules 6 PCI Express x1 adapter or PCI Express 7 x16 graphics adapter connector (some models) PCI Express x16 graphics adapter or PCI Express x1 adapter connector (some models) PCI adapter connectors PCI adapter Power supply assembly Chapter 1.
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. The following illustration shows the locations of parts on the system board for some computer models.
The following illustration shows the locations of parts on the system board for some computer models.
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Chapter 2. Replacing hardware Attention Do not open your computer or attempt any repair before reading the “Important safety information” in the Safety and Warranty Guide that was included with your computer. To obtain copies of the Safety and Warranty Guide, go to http://www.lenovo.com/support. Note: Use only the parts provided by Lenovo. Removing the cover Important Turn off the computer and wait 3 to 5 minutes to let the computer cool before opening the computer cover.
4. Remove the two screws at the rear of the left side cover and slide the cover to the rear to remove. Replacing a memory module Attention Do not open your computer or attempt any repair before reading the “Important safety information” in the Safety and Warranty Guide that was included with your computer. To obtain copies of the Safety and Warranty Guide, go to http://www.lenovo.com/support. This section provides instructions on how to replace a memory module.
2. Remove the memory module being replaced by opening the retaining clips as shown. 3. Position the replacement memory module over the memory connector. Make sure that the notch 1 on the memory module aligns correctly with the connector key 2 on the system board. Push the memory module straight down into the memory connector until the retaining clips close. 4. Go to “Completing the parts replacement” on page 12.
This section provides instructions on how to replace a PCI adapter. 1. Remove the computer cover. See “Removing the cover” on page 7. 2. Remove the screw securing the adapter in the connector. 3. Remove the adapter being replaced. 4. Remove the new adapter from its static-protective package. 5. Install the new adapter into the appropriate slot on the system board. 6. Install the screw to secure the new adapter. 7. Go to “Completing the parts replacement” on page 12.
Replacing a keyboard Attention Do not open your computer or attempt any repair before reading the “Important safety information” in the Safety and Warranty Guide that was included with your computer. To obtain copies of the Safety and Warranty Guide, go to http://www.lenovo.com/support. This section provides instructions on how to replace a keyboard. 1. Remove any media (diskettes, CDs, or tapes) from the drives, shut down your operating system, and turn off all attached devices. 2.
3. Locate the mouse connector. Note: Your mouse might be connected to a standard mouse connector 1 or a USB connector 2 in the front or rear of your computer. See “Locating the connectors on the rear of your computer” on page 2 or “Locating the connectors on the front of your computer” on page 1. 4. Disconnect the failing mouse cable from the computer. 5. Connect the new mouse to the appropriate connector on the computer. 6. Go to “Completing the parts replacement.
3. Position the computer cover on the chassis so that the rail guides on the bottom of the cover engage the rails and push the cover to the closed position. Install the two screws that secure the computer cover. 4. Install any locking devices such as a padlock as necessary. 5. Reconnect the external cables and power cords to the computer. See “Locating the connectors on the rear of your computer” on page 2. 6.
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Appendix. Notices Lenovo may not offer the products, services, or features discussed in this document in all countries. Consult your local Lenovo representative for information on the products and services currently available in your area. Any reference to a Lenovo product, program, or service is not intended to state or imply that only that Lenovo product, program, or service may be used.
vary significantly. Some measurements may have been made on development-level systems and there is no guarantee that these measurements will be the same on generally available systems. Furthermore, some measurements may have been estimated through extrapolation. Actual results may vary. Users of this document should verify the applicable data for their specific environment. Television output notice The following notice applies to models that have the factory-installed television-output feature.
Part Number: 41X8111 Printed in USA (1P) P/N: 41X8111
