Compaq NC6400 - page 136

5–36 Maintenance and Service Guide

Removal and Replacement Procedures

5. Turn the computer display-side up with front toward you.

6. Open the computer as far as possible.

7. Disconnect the power button board cable 1 from the

system board.

8. Insert a thin flat-bladed tool under the hinge cover sections 2

of the switch cover and lift up until the switch cover 3

disengages from the computer.

9. Remove the switch cover.

Removing the Switch Cover

Reverse the above procedure to install the switch cover.

Contents

Main Page Safety warning notice Contents 1 Product Description 2Troubleshooting 3 Illustrated Parts Catalog 4 Removal and Replacement Preliminaries 5 Removal and Replacement Procedures Page Page 1.1 F e a t u r e s Page 1.2 Resetting the Computer 1. 3 Po we r M a na g em e n t 1.4 External Components Tabl e 1-1 Front Components Page Tabl e 1-2 Right-Side Components Page Tabl e 1-3 Left-Side Components Page Table 1-4 Rear Panel Components Page Table 1-5 Standard Keyboard Components Page Table 1-6 Top Components Page Table 1-7 Top Components Page Table 1-8 Pointing Device Components Page Tabl e 1- 9 Bottom Components 1. 5 D e s i g n O v e r vi e w Troubleshooting 2.1 Starting Computer Setup Using Computer Setup Navigating and selecting in Computer Setup Restoring Factory Settings in Computer Setup Computer Setup Menus File Menu Security Menu Tabl e 2-2 Security Menu Tabl e 2-2 Security Menu Diagnostics Menu System Configuration Menu Continued System Configuration Menu ( ) continued Continued 2.2 Troubleshooting Flowcharts Tabl e 2-5 Troubleshooting Flowcharts Overview Flowchart 2.1Initial Troubleshooting 212 Maintenance and Service Guide Flowchart 2.2No Power, Part 1 Maintenance and Service Guide 213 Flowchart 2.3No Power, Part 2 Flowchart 2.4No Power, Part 3 Maintenance and Service Guide 215 Flowchart 2.5No Power, Part 4 N 216 Maintenance and Service Guide Flowchart 2.6No Video, Part 1 A YY Maintenance and Service Guide 217 Flowchart 2.7No Video, Part 2 218 Maintenance and Service Guide Flowchart 2.8Nonfunctioning Docking Device (if applicable) Maintenance and Service Guide 219 Flowchart 2.9No Operating System (OS) Loading Flowchart 2.10No OS Loading, Hard Drive, Part 1 Flowchart 2.11No OS Loading, Hard Drive, Part 2 Flowchart 2.12No OS Loading, Hard Drive, Part 3 Flowchart 2.13No OS Loading, Diskette Drive Flowchart 2.14No OS Loading, Optical Drive Flowchart 2.15No Audio, Part 1 226 Maintenance and Service Guide Flowchart 2.16No Audio, Part 2 Maintenance and Service Guide 227 Flowchart 2.17Nonfunctioning Device Flowchart 2.18Nonfunctioning Keyboard Flowchart 2.19Nonfunctioning Pointing Device Flowchart 2.20No Network/Modem Connection Illustrated Parts Catalog 3.1 Serial Number Location Page Page Page Page Page Page Page Page Page Page Page Page Page (Continued) Page Table 3-2 Display Assembly Components 3.4 Plastics Kit Table 3-3 Plastics Kit 3.5 Cable Kit 3.6 Mass Storage Devices Tabl e 3-5 Mass Storage Devices 3.7 Miscellaneous (Not Illustrated) Tabl e 3-6 Miscellaneous (Not Illustrated) Spare Part Information Tabl e 3-6 Miscellaneous (Not Illustrated) Spare Part Information 3.8 Sequential Part Number Listing Page Page Page Page Page Page Page Page Removal and Replacement Preliminaries 4.1 Tools Required 4.2 Service Considerations Plasti c Parts Cables and Connectors 4.3 Preventing Damage to Removable Drives 4.4 Preventing Electrostatic Damage 4.5 Packaging and Transporting Precautions Use the following grounding precautions when packaging and transporting equipment: 4.6 Workstation Precautions Use the following grounding precautions at workstations: 4.7 Grounding Equipment and Methods Grounding equipment must include either a wrist strap or a foot strap at a grounded workstation. Other grounding equipment recommended for use in preventing electrostatic damage includes Page Page Page 5.2 Disassembly Sequence Chart Section Description Disassembly Sequence Chart Section Description Page Page 5.4 Hard Drive 1. Prepare the computer for disassembly (refer to Section 5.3). Hard Drive Spare Part Number Information Page Page Page Page 5.6 Bluetooth Module Page 5.7 External Memory Module 1. Prepare the computer for disassembly (refer to Section 5.3). Memory Module Spare Part Number Information Page Page 5.8 Mini Card WLAN Module Mini Card WLAN Module Mini Card WLAN Module Spare Part Number Information Page Page 5.9 MultiBay II Device Page 5.10 Keyboard 1. Prepare the computer for disassembly (Section 5.3). Keyboard Spare Part Number Information Page Page Page Page 5.11 RTC Battery 5.12 Internal Memory Module 1. Prepare the computer for disassembly (Section 5.3). 2. Release the keyboard (Section 5.10). Memory Module Spare Part Number Information Page Page Page 5.14 Mini Card WWAN Module Page 5.15 Switch Cover Page 5.16 Power Butto n Board 5.17 Fan Assembly 5.18 Heat Sin k Page Page 5.19 Processor Page 5.20 Display Assembly Page Page Page Display Assembly Components Page Page Page Page Page Page 5.21 Top Cover Page Page Page Page Page 5.22 PC Card/Digital Media Board Page Page 5.23 Speaker Page 5.24 Mic ropho ne Page 5.25 System Board Page Page Page Page Page Page Page Page 5.26 MultiBay II Eject Assembly Page Specifications This chapter provides physical and performance specifications. Tabl e 6-1 Computer Tabl e 6-1 Computer Tabl e 6-2 14.1-inch, WXGA Tabl e 6-3 Hard Drives Tabl e 6-3 Hard Drives Tabl e 6-4 DVDRW and CD-RW Combo Drive Tabl e 6-4 DVDRW and CD-RW Combo Drive Tabl e 6-5 DVD-ROM Drive Page Tabl e 6-7 System Interrupts Tabl e 6-7 System Interrupts Page Page Page Tabl e 6- 9 System Memory Map A Screw Listing Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page B Backup and Recovery in Windows Vista When to Back Up Backup Suggestions Backing Up Specific Files or Folders Perfo rmi ng a Rec overy Performing a Recovery from the Recovery Discs Performing a Recovery from the Hard Drive Initiating a Recovery in Windows Initiating a Recovery from the Hard Drive Recovery Partition C Backup and Recovery in Windows XP Creating Recovery Discs Backing Up Your information When to Back Up Perfo rmi ng a Rec overy Performing a Recovery from the Recovery Discs Performing a Recovery from the Hard Drive Initiating a Recovery in Windows Page D Display Component Recycling Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page F Power Cord Set Requirements 3-Conductor Power Cord Set General Requirements Country/Region-Specific Requirements 3-Conductor Power Cord Set Requirements 3-Conductor Power Cord Set Requirements Index