Compaq NC4000 - page 160

Screw Listing

Maintenance and Service Guide C–21

Torx T8 M2.0×6.0 S crew Locations

Table C-12

Torx T8 M2.0×6.0 Screw

Color Qty. Length Thread

Head

Width

Black 2 6.0 mm 2.0 mm 4.5 mm

Where used:

Two screws that secure the system board to the notebook

(documented in Section 5.19)

Contents

Main Page Contents 1 Product Description 2 Troubleshooting 3 Illustrated Parts Catalog 4 Removal and Replacement Preliminaries 5 Removal and Replacement Procedures Page Page 1.1 Mo de ls Key Description Options Page Page 1.2 F ea tu re s HP Compaq Notebook nc4000 Models Intel Pentium-M 1.6-, 1.5-, 1.4-, or 1.3-GHz processor with 400-MHz processor side bus and 1024-KB L2 cache, varying by notebook model 12.1-inch XGA (1024 768) TFT display with over 16.7 Page 1.3 Cle ar in g a Pa ss word 1.4 Power Ma nag em en t 1.5 External Components Tabl e 1-3 Front and Right Side Components Page Tabl e 1-4 Rear Panel and Left Side Components The notebook keyboard components are shown below and described in Table 1-5. Keyboard Components Tabl e 1- 5 Keyboard Components Page Tabl e 1-6 Top Components Page Tabl e 1- 7 Bottom Components 1.6 De si gn O ver view Troubleshooting 2.1 Computer Setup and Diagnostics Utilities Using Computer Setup Selecting from the File Menu Tabl e 2- 1 File Menu Selecting from the Security Menu Tabl e 2- 2 Security Menu Selecting from the Advanced Menu Tabl e 2- 3 Advanced Menu (continued) Tabl e 2- 3 Advanced Menu 2.2 Using Diagnostics for Windows Obtaining, Saving, or Printing Configuration Information Obtaining, Saving, or Printing Diagnostic Test I nform ati on Page 2.3 Troubleshooting Flowcharts Tabl e 2-4 Troubleshooting Flowcharts Overview Flowchart Description Flowchart 2.1Initial Troubleshooting Flowchart 2.2No Power, Part 1 Flowchart 2.3No Power, Part 2 Flowchart 2.4No Power, Part 3 Flowchart 2.5No Power, Part 4 Flowchart 2.6No Video, Part 1 A YY Flowchart 2.7No Video, Part 2 Flowchart 2.8Nonfunctioning Docking Station (if applicable) 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 YY Flowchart 2.14No OS Loading, CD- or DVD-ROM Drive Flowchart 2.15No Audio, Part 1 Flowchart 2.16No Audio, Part 2 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 Tabl e 3-1 Page Page Page Table 3-1 Page Page 3.4 Port Replicators and Mass Storage Devices Port Replicators and Mass Storage Devices Tabl e 3-3 Port Replicators and Mass Storage Devices Spare Part 3.5 Miscellaneous Tabl e 3-4 Spare Parts: Miscellaneous (not illustrated) Description Spare Part Tabl e 3-4 Spare Parts: Miscellaneous (not illustrated) 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 4.6 Workstation Precautions 4.7 Grounding Equipment and Methods Page Page 5.1 Seri al Number 5.2 Disassembly Sequence Chart Section Description # of Screws Removed Tabl e 5-1 Disassembly Sequence Chart 5.3 Preparing the Notebook for Disassembly Page Page Page Page 5.5 Memory Expansion Board 5.6 Mini PCI Communications Board Page Page 5.7 LED Switch Cover Page 5.8 Keyboard Keyboards Spare Part Number Information Page Page Page Page 5.9 Fan Page 5.10 Heat Sink Page Page Page 5.11 Process or Page 5.12 Display Assembly Page Page Page 5.13 Top Cove r Page Page Page 5.14 Bluetooth Wireless Device 5.15 TouchPa d Page Page 5.16 RTC Ba tter y 5.17 Speaker/Microphone 5.18 Switch Boar d 5.19 System Board Page Page 5.20 Mod em Board Page Specifications This chapter provides physical and performance specifications. Tabl e 6-1 Notebook Tabl e 6-1 Notebook Tabl e 6-2 12.1.0-inch XGA, TFT Display Tabl e 6- 3 Hard Drives 60 GB 40 GB 30 GB Tabl e 6- 4 External AC Adapter Tabl e 6- 5 6-cell, Primary Li ion Battery Pack Tabl e 6- 6 6-cell, Travel Li ion Battery Pack Tabl e 6-7 System DMA Table 6-8 System Interrupts Hardware IRQ System Function Page Page Page Table 6-10 System Memory Map Size Memory Address System Function A Connector Pin Assignments Tabl e A- 1 RJ-45 Network Interface Page Tabl e A- 5 External Monitor Page B Power Cord Set Requirements 3-Conductor Power Cord Set General Requirements Country-Specific Requirements 3-Conductor Power Cord Set Requirements Country Accredited Agency Applicable Note Notes 3-Conductor Power Cord Set Requirements Country Accredited Agency Applicable Note Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Index