Lenovo THINKCENTRE 8804 User Manual

Hard ware Replacement Gui de Ty pe s 8010, 8792, 8796, 8800 Ty pe s 8804, 8808, 8813

Locating controls and connectors on the front of your computer The following illustration shows locations of the controls and connec

Locating connectors on the rear of your computer The following illustration shows locations of connectors on the rear of your comput

Identifying parts on the system board The following illustration shows the locations of parts on the system board. 1 Memory co

Chapter 2. Replacing hardware Attention Do not open your computer or attempt any repair before reading the “Important safety informat

Replacing the power supply assembly Attention Do not open your computer or attempt any repair before reading the “Important safety i

5. Disconnect the power supply cables 1and 2 from the system board connectors and from all drives. 6. Remove the power

Replacing the system board Attention Do not open your computer or attempt any repair before reading the “Important safety information

4. While holding the rear of the computer chassis down, pull upward on the handle provided to remove the PCI riser assembly and

7. Pull upward on the handle 1to release the system board from the front latch, slide the system board toward the drive bay

10. Remove the heat sink from the failing system board by pivoting the lever 1securing the heat sink until it is fully in th

12. Lift the microprocessor straight up and out of the socket. Important Do not touch the gold contacts on the bottom of th

15. Lower the microprocessor straight down into the microprocessor socket. 16. Lower the microprocessor retainer 2 and then

19. Slide the system board toward the rear of the computer until the front latch snaps into position. 20. Reconnect the cab

To replace the microprocessor, do the following: 1. Open the computer cover. See “Opening the cover” on page 5. 2. Pivot the

4. Release the lever 1 for the microprocessor retainer 2 securing the microprocessor3 and pivot the retainer upward until it

a. Note the orientation of the notches 1 on the microprocessor. This is important when installing the new microprocessor on the

9. Lower the microprocessor straight down into the microprocessor socket. 10. Lower the microprocessor retainer 2 and then

11. Use the thermal grease syringe to place five drops of grease on the top of the microprocessor. Each drop of grease should

This section provides instructions on how to replace the hard disk drive. Important When you receive a new hard disk drive, you

5. Pivot the hard disk drive and bracket to the rear, then pull the drive and bracket out of the drive bay by pulling on the

Hard ware Replacement Gui de Ty pe s 8010, 8792, 8796, 8800 Ty pe s 8804, 8808, 8813

7. Install the new drive into the blue bracket, flex the bracket, and align the pins 1 through 4on the bracket with the ho

2. Pivot the drive bay assembly upward to gain access to the hard disk drive. 3. Disconnect the signal and power cables f

Replacing the diskette drive Attention Do not open your computer or attempt any repair before reading the “Important safety informati

4. Slide the diskette drive lock 1to the unlocked position. 5. Slide the diskette drive towards the rear of the computer and

2. While holding the rear of the computer chassis down, pull upward on the handle provided to remove the PCI riser assembly and

5. Remove the memory module being replaced by opening the retaining clips as shown. 6. Position the replacement memory module

2. While holding the left rear of the computer chassis down, pull upward on the handle provided to remove the PCI riser assembl

7. Close the adapter latch to retain the adapter. 8. Reinstall the PCI riser assembly into the system board. 9. Go to “C

3. Disconnect the fan assembly cables from the system board. See “Identifying parts on the system board” on page 4. Note: Make

6. Remove the fan assembly by releasing the tabs as shown. 7. Install the new fan assembly and connect the fan cables to

First Edition (June 2006) © Copyright Lenovo 2006. Portions © Copyright International Business Machines Corporation 2005. All rights re

2. Pivot the drive bay assembly upward to gain access to the system board. 3. Locate the internal speaker connector on the

6. Position the bottom of the new internal speaker into the metal tabs and then pivot the top of the internal speaker inward u

2. Unplug all power cords from electrical outlets. 3. Locate the connector for the mouse. See “Locating controls and connectors

2. Make sure that the cables are routed correctly before lowering the drive bay assembly. Important Correctly route all power sup

To update (flash) the BIOS from a diskette or CD-ROM, do the following: 1. Insert a system program update (flash) diskette or C

Appendix. Notices Lenovo may not offer the products, services, or features discussed in this document in all countries. Consult your

vary significantly. Some measurements may have been made on development-level systems and there is no guarantee that these measuremen

Part Number: 41X6211 Printed in USA (1P) P/N: 41X6211

Contents Overview . . . . . . . . . . . . . .v Safety information for customers . . . . . . .v Safety information for ser

iv Hardware Replacement Guide

Overview This guide is intended to be used by customers who are replacing Customer Replaceable Units (CRUs) as well as trained serv

Additional information resources If you have Internet access, the most up-to-date information for your computer is available from the

Chapter 1. Locations This chapter provides illustrations to help locate the various connectors, controls, and components of the comput