HP dc7700 7.3Hood Sensor

Removal and Replacement Procedures— Small Form Factor (SFF) Chassis

7.3Hood Sensor

1.Prepare the computer for disassembly.

2.Remove the computer cover.

3.Remove the special security clip (Section 7.4.1) from the top corner of the power supply cage.

4.Raise the power supply to its full upright position.

5.Disconnect the hood sensor cable from the system board.

6.Slide the hood sensor switch mounted on the power supply towards the outside of the computer 1 and lower it through the slot 2.

To install the hood sensor, reverse the removal procedure.

7–4

433612-001

Service Reference Guide, dc7700

Contents

Page Page Service Reference Guide Service Reference Guide Contents 1 Installing the Operating System 2 Setup Utilities and Diagnostics Features 3 Desktop Management 4 Serial and Parallel ATA Drive Guidelines and Features 5 Identifying the Chassis, Routine Care, and Disassembly Preparation 6Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis 7 Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 8Removal and Replacement Procedures - Ultra-SlimDesktop (USDT) Chassis AConnector Pin Assignments BPower Cord Set Requirements CPOST Error Messages DTroubleshooting Without Diagnostics ESystem Board and Riser Board Reference Designators Page Installing the Operating System 1.1Installing or Upgrading Device Drivers 1.2Transferring Files and Settings 1.3Creating a Disc Recovery Set Setup Utilities and Diagnostics Features 2.1Power-On Self-Test(POST) 2.2 Computer Setup Utilities 2.2.1 Using Computer Setup (F10) Utilities 2.2.2 Computer Setup Menu Diskette Type (Legacy Diskettes only) Drive Emulation Drive Type Emulation Options Multisector Transfers (ATA disks only) Transfer Mode Translation Mode (ATA disks only) Translation Parameters (ATA disks only) Default Values IDE/SATA SATA Emulation SATA 0 and SATA 1 and Shortcut to Temporarily Override Boot Order one time CTRL+ALT+DEL Page Page CTRL+P=MEBx CTRL+P F9=Boot Menu Storage > Boot Order F10=Setup Page Num Lock 2.2.3 Recovering the Configuration Settings 2.3HP Insight Diagnostics 2.3.1 Accessing HP Insight Diagnostics 2.3.2 Survey Tab 2.3.3 Test Tab 2.3.4 Status Tab 2.3.5Log Tab 2.3.6Help Tab 2.3.7 Saving and Printing Information in HP Insight Diagnostics 2.3.8Downloading the Latest Version of HP Insight Diagnostics Desktop Management 3.1Initial Configuration and Deployment 3.1.1 HP OpenView Agent 3.1.2Altiris Deployment Solution Agent 3.1.3HP Backup and Recovery Manager 3.2Remote System Installation 3.3Software Updating and Management 3.3.1HP Client Management Interface 3.3.2HP System Software Manager 3.3.3 HP Client Manager 3.3.4 HP ProtectTools Security Manager 3.3.5 HP Client Premium Suite 3.3.6 HP Client Foundation Suite 3.3.7 HP OpenView Client Configuration Manager 3.3.8 HP OpenView PC Configuration Management Solutions 3.3.9Intel vPro-brandedPCs with Active Management Technology 3.3.10 Proactive Change Notification 3.3.11 Subscriber’s Choice 3.3.12 Retired Solutions 3.4ROM Flash 3.4.1 Remote ROM Flash 3.4.2 HPQFlash 3.4.3 Boot Block Emergency Recovery Mode 3.4.4 Replicating the Setup Copying to Single Computer Copying to Multiple Computers Creating a Bootable Device FORMAT /S X: Unsupported USB Flash Media Device 3.4.5Dual-StatePower Button 3.4.6HP Web Site Support 3.4.7 Industry Standards 3.5Asset Tracking and Security Security Features Overview CTRL ALT DEL Security Features Overview (Continued) 3.5.1 Password Security 3.5.2 Establishing a Setup Password Using Computer Setup 3.5.3 Establishing a Power-OnPassword Using Computer Setup Entering a Power-OnPassword Entering a Setup Password Changing a Power-Onor Setup Password Deleting a Power-Onor Setup Password National Keyboard Delimiter Characters Clearing Passwords 3.5.4 DriveLock Using DriveLock DriveLock Applications 3.5.5 Smart Cover Sensor Setting the Smart Cover Sensor Protection Level Smart Cover Lock Locking the Smart Cover Lock Unlocking the Smart Cover Lock 3.5.6 Cable Lock Provision 3.5.7 Fingerprint Identification Technology 3.6Fault Notification and Recovery 3.6.1 Drive Protection System 3.6.2 Surge-TolerantPower Supply 3.6.3 Thermal Sensor Serial and Parallel ATA Drive Guidelines and Features 4.1SATA Hard Drives 4.2 SATA Hard Drive Cables 4.2.1 SATA Data Cable 4.2.2 SATA Power Cable 4.3 PATA Device Information 4.4 ATA SMART Drives 4.5 Hard Drive Capacities Page Identifying the Chassis, Routine Care, and Disassembly Preparation 5.1Chassis Designations 5.1.1 Convertible Minitower (CMT) 5.1.2 Small Form Factor (SFF) 5.1.3 Ultra-SlimDesktop (USDT) 5.2Electrostatic Discharge Information 5.2.1 Generating Static 5.2.2 Preventing Electrostatic Damage to Equipment 5.2.3 Personal Grounding Methods and Equipment 5.2.4 Grounding the Work Area 5.2.5Recommended Materials and Equipment 5.3Operating Guidelines 5.4Routine Care 5.4.1General Cleaning Safety Precautions 5.4.2Cleaning the Computer Case 5.4.3Cleaning the Keyboard 5.4.4Cleaning the Monitor 5.5Service Considerations 5.5.1 Power Supply Fan 5.5.2Tools and Software Requirements 5.5.3 Screws 5.5.4 Cables and Connectors 5.5.5Hard Drives 5.5.6 Lithium Coin Cell Battery Page Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis 6.1Preparation for Disassembly 6.2 Unlocking the Smart Cover Lock 6.3Hood Sensor 6.4 External Security Devices 6.4.1 Cable Lock 6.4.2 Padlock 6.5Computer Access Panel 6.6Front Bezel 6.7Front Drive Bezels 6.7.1 5.25” Drive Bezel Blank 6.7.2 Diskette Drive Bezel or Bezel Blank 6.8 Cable Management 6.8.1 Cable Connections 6.9 Memory 6.10Expansion Cards Page Page Page 6.11PCI Retainer Latch Page 6.12Expansion Card Guide 6.13 Drives 6.13.1 Drive Positions 6.13.2 Hard Drive Page 6.13.3 Optical Drive Page Page 6.13.4Diskette Drive 6.14Front I/O Device 6.15Power Switch Assembly 6.16System Board 6.17 Battery 6.17.1Type 1 Battery Holder 6.17.2Type 2 Battery Holder 6.17.3Type 3 Battery Holder 6.18Heatsink 6.19Processor 6.20Speaker 6.21Chassis Fan 6.22Power Supply Page 6.23Changing from Desktop to Minitower Page Page 6.24Changing from Minitower to Desktop Page Page Removal and Replacement Procedures— Small Form Factor (SFF) Chassis 7.1Preparation for Disassembly 7.2Unlocking the Smart Cover Lock Page 7.3Hood Sensor 7.4External Security Devices 7.4.1 Security Clip 7.4.2 Cable Lock 7.4.3 Padlock 7.5Computer Cover 7.6Front Drive Bezels Item Description 7.7Cable Management 7.7.1 Cable Connections 7.8Memory 7.9Vertically Oriented Expansion Card 7.9.1Expansion Card Retainer 7.9.2PCI Expansion Card Page 7.9.3 PCI Express Expansion Card 7.10PCI Riser Card Assembly and Backwall Page Page Page Page 7.11Drives 7.11.1Drive Positions 7.11.2Optical Drive Page 7.11.3External 3.5-inchDrive Page 7.11.4 Primary Hard Drive Page dark blue 7.12Fan Shroud 7.13Front I/O Devices 7.14Heatsink 7.15Processor Page 7.16Speaker 7.17Power Supply Page 7.18Chassis Fan 7.19System Board Page Page 7.20Drive Clutch Components Page 7.21Power Switch Assembly 7.22 Battery 7.22.1Type 1 Battery Holder 7.22.2Type 2 Battery Holder 7.22.3Type 3 Battery Holder Removal and Replacement Procedures - Ultra-SlimDesktop (USDT) Chassis 8.1Preparation for Disassembly Page 8.2 External Security Devices 8.2.1 Installing a Cable Lock 8.2.2 Installing a Padlock 8.3Computer Access Panel 8.4Optical Drive Page 8.5Front Panel Assembly 8.6Front Bezel 8.7Chassis Fan 8.8Speaker 8.9 Cable Management 8.9.1 Cable Connections 8.10Memory 8.11Expansion Card Cage 8.12Expansion Card Page 8.13Expansion Card Retaining Latch 8.14Hard Drive Page 8.15Front I/O Device 8.16Heatsink Assembly 8.17Processor Page 8.18Power Supply 8.19System Board 8.20 Battery 8.20.1Type 1 Battery Holder 8.20.2Type 2 Battery Holder 8.20.3Type 3 Battery Holder Page Connector Pin Assignments Ethernet RJ-45 Ethernet AUI Parallel Interface Serial Interface, Powered and Non-Powered USB Microphone Connector and Icon (1/8” miniphone) Pin Headphone Line-OutAudio External Infrared Transceiver Monitor ATA/ATAPI (IDE) Standard Drive Cable Connector CD-ROM 50-PinConnector 24-PinPower (CMT and MT models) 24-PinMicroFit Power (USDT, SFF, and ST models) 4-PinPower (for CPU) (MT and CMT models) CMT and MT Signal 6-PinPower (for CPU) (USDT, SFF, and ST models) SATA Data and Power Drive Connector PCI Express x1, x4, x8, and x16 PCI Express Connector Pin A Pin B information is on the next page Pin B DVI Connector Power Cord Set Requirements General Requirements Japanese Power Cord Requirements Country-SpecificRequirements POST Error Messages POST Error Messages POST Error Messages (Continued) Onboard Devices Control Panel Control Panel in Advanced > Onboard Devices Advanced Page Storage > DPS Self-test Storage Storage Options IDE Save Changes and Exit Page Page POST Diagnostic Front Panel LEDs and Audible Codes POST Diagnostic Front Panel LEDs and Audible Codes (Continued) Beeps Possible Cause Page Page Page Page Troubleshooting Without Diagnostics Preliminary Checklist Solving Minor Problems Solving Minor Problems (Continued) Page Solving Power Supply Problems Solving Power Supply Problems (Continued) Solving Diskette Problems Solving Diskette Problems (Continued) Select File > Properties Spacebar Storage > Boot Order Storage > Storage Solving Hard Drive Problems Solving Hard Drive Problems (Continued) Storage > Boot Order list select Storage > Boot Order Hard Drive enabled in Storage > Storage Solving Media Card Reader Problems My Computer Eject Solving Display Problems Solving Display Problems (Continued) select Enable VGA Mode Display Settings Page ImageControl/Horizontal Position or VerticalPosition to Solving Audio Problems Solving Audio Problems (Continued) System the Device Manager button Properties sure “Enable digital CD Solving Printer Problems Solving Keyboard and Mouse Problems Solving Keyboard and Mouse Problems (Continued) Windows logo Use the up or down arrow Solving Hardware Installation Problems Solving Hardware Installation Problems (Continued) Solving Network Problems Solving Network Problems (Continued) Page Solving Memory Problems Solving Processor Problems Solving CD-ROMand DVD Problems Solving CD-ROMand DVD Problems (Continued) Solving Drive Key Problems Solving Front Panel Component Problems Solving Internet Access Problems Solving Internet Access Problems (Continued) click the Device Manager Ports (COM & LPT) Properties Solving Software Problems Page System Board and Riser Board Reference Designators Page Page Page Memory DDR2-SDRAMDIMMs DIMM Sockets Page Index