Power Switch | HP D3K72UT D3K72UT#ABA specification

Power Switch

Description	Spare part number

Power switch/LED assembly	656984-001

The power switch is attached to the front of the chassis using tabs (no screws). Its cable routes through metal tabs in the chassis floor. The power switch cable connects to the front USB assembly cable.

1.Prepare the computer for disassembly (Preparation for Disassembly on page 80).

2.Remove the access panel (Access Panel on page 81).

3.Remove the front bezel (Front Bezel on page 83).

4.From the inside of the computer, remove the power switch cable from the tabs on the computer floor.

Figure 8-23Removing the power switch cable

102 Chapter 8 Removal and Replacement Procedures – Small Form Factor (SFF) Chassis

Image 112

HP D3K72UT D3K72UT#ABA manual Power Switch

Contents

Maintenance & Service Guide Maintenance & Service Guide About This Book Iv About This Book Table of contents Serial ATA Sata Drive Guidelines and Features 102 119 186 Page Product Features Feature Overview Model Microtower Components 1Microtower Components Small Form Factor Components 2Small Form Factor Components Installing the Operating System Installing and Customizing the SoftwareDownloading Microsoft Windows Updates Accessing Disk Image ISO Files Installing or Upgrading Device Drivers Windows systemsProtecting the Software Computer Setup F10 Utility Computer Setup F10 Utilities Using Computer Setup F10 Utilities 1Computer Setup F10 Utility Computer Setup-File 2Computer Setup-File Computer Setup-Storage 3Computer Setup-StorageOption Description Device Configuration Storage Options Sata Emulation Shortcut to Temporarily Override Boot Order Boot OrderDPS Self-Test Computer Setup-Security 4Computer Setup-Security USB Security Network BootSlot Security System IDs System Security Computer Setup-Power 5Computer Setup-PowerOption Description Hardware Power Management Computer Setup-Advanced 6Computer Setup-Advanced for advanced users Recovering the Configuration Settings Microtower Chassis Spare Parts Illustrated parts catalogComputer Major Components Power supply, 300W Description Spare part number Access panelFront bezel Description Spare part number Cables Front I/O and USB assembly Misc PartsChassis fan HP Business Digital Headset Drives Misc BoardsDescription Spare part number Hard drive Optical drive Sequential Part Number Listing Spare part Description Number 667727-001 Fan sink for use in models with Intel processors Use only in HP Pro 3505 models Power supply Small Form Factor SFF Chassis Spare PartsIntel Core i7 processor Intel Core i5 processors Intel Core i3 processors Intel Pentium Dual-Core processors Cables Misc Parts 16X Sata DVD±RW drive 581600-001 DVD-ROM drive 581599-001 Illustrated parts catalog Small Form Factor SFF Chassis Spare Parts Serial ATA Sata Drive Guidelines and Features Serial ATA Hard Drive CharacteristicsSata Hard Drives Sata Hard Drive Cables Smart ATA Drives Hard Drive Capacities Routine Care and Disassembly Preparation Electrostatic Discharge InformationGenerating Static Relative Humidity Event 55% 40% 10% Preventing Electrostatic Damage to Equipment Personal Grounding Methods and EquipmentStatic Shielding Protection Levels Method Voltage Grounding the Work Area Recommended Materials and Equipment General Cleaning Safety Precautions Cleaning the Computer CaseOperating Guidelines Routine Care Cleaning the Keyboard Cleaning the Monitor Service Considerations Cleaning the MousePower Supply Fan Tools and Software Requirements Lithium Coin Cell Battery Cables and ConnectorsHard Drives Serviceability Features Removal and Replacement Procedures Microtower ChassisPreparation for Disassembly Access Panel Description Spare part number Access panel 674373-001 Front Bezel Memory DDR3-SDRAM DIMMs 1DIMM Sockets Populating Dimm SocketsDescription Socket Color Insertion Order Removing Memory Modules Page 2Expansion Slots Expansion CardsSlot Type Number of Slots 3Expansion Slots 6Expansion Slot Locations HP Pro 4Expansion Slots 8Removing an Expansion Slot Cover Expansion Cards Page Page Cable Management Connector Name Connector Color Description Cable Connections Drives Drive locations Installing Additional Drives System Board Connector System Board Label Color 6System Board Drive Connections 14System Board Drive Connections HP Pro 3405 shown 7System Board Drive Connections Model 15System Board Drive Connections HP Pro 3505 shown 8System Board Drive Connections Model Removing an Optical Drive Page Front I/O and USB Panel Housing Assembly 9Front I/O connectorsPage Power Switch/LED Assembly Remove the optical drive Removing an Optical Drive onPage System Fan Page Fan Sink Assembly Description Spare part number Intel Core i7 processors ProcessorIntel Celeron processors Remove the fan sink Fan Sink Assembly on Page Page Power Supply System Board Battery Page Preparation for Disassembly Description Spare part number Access panel 656832-001 Page Description Spare part number Front bezel 656835-001 GB, PC3-10600 585157-001 635803-001 635802-001 1DIMM Socket Locations Description Socket Color Removing DIMMs Page Page Expansion Card Description Spare part number Graphics cards 2Expansion Slots Page Page Cable Management Sysfan Drive Positions 3Drive Positions Removing Drives Page Removing the Hard Drive Page Page Page Power Switch Page Front USB Assembly 28Removing the front USB assembly screw Front USB Assembly Page Fan Assembly Description Spare part number Fan 656834-001Page Fan Sink Description Spare part number Fan sink 657402-001Page 2600S 2.7 GHz, 8-MB L3 cache, 65W 638419-001 Page Power supply, 220W 656722-001 Power supply, 270W 665224-001 Page System Board Page Battery Page Connector Pin Assignments Connector and Icon Pin SignalConnector and Icon 1/8 miniphone Pin Signal Ethernet BNC Pin Power for CPU HeadphoneLine-in Audio Line-out Audio Serial Interface, Powered and Non-Powered Monitor DVI Connector Connector Pin Signal Pin PowerSignal Pin X1, x4, x8, and x16 PCI Express Connector Pin a Signal PCI Express X1, x4, x8, and x16 PCI Express Connector Pin B Signal GND PRSNT2# Rsvd Japanese Power Cord Requirements Power Cord Set RequirementsGeneral Requirements Country-Specific Requirements Country Accrediting Agency Post Error Messages Post Numeric Codes and Text Messages Table C-1Numeric Codes and Text Messages Appendix C Post Error Messages Verify monitor is attached and turned Replace diskette drive Test under Storage DPS Self-test Options Sata Emulation to IDE,Select File Save Changes and Exit Security Drivelock Security. For each Appendix C Post Error Messages Bios Occurred prior to the ME firmware update Table C-2Diagnostic Front Panel LEDs and Audible Codes Activity Beeps Possible Cause Recommended Action Desktop Management Guide for more Appendix C Post Error Messages Troubleshooting Without Diagnostics Safety and Comfort Before You Call for Technical Support Helpful Hints Refer to Helpful Hints on page 142 in this guidePage Table D-1Solving General Problems Solving General ProblemsComputer date and time display is incorrect Cause Solution There is no sound or sound volume is too low Cause Solution Poor performance is experienced Cause Solution Cause Solution Table D-2Solving Power Problems Solving Power ProblemsPower supply shuts down intermittently Cause Solution Solving Diskette Problems Table D-3Solving Diskette Problems Cannot format diskette Cause Solution Problem has occurred with a disk transaction Cause SolutionDiskette drive cannot read a diskette Cause Solution Invalid system disk message is displayed Cause Solution Solving Hard Drive Problems Table D-4Solving Hard Drive Problems Advanced Power-On Options Power-OnNonsystem disk/NTLDR missing message Cause Solution Computer will not boot from hard drive Cause Solution Computer seems to be locked up Cause Solution Table D-5Solving Media Card Reader Problems Solving Media Card Reader ProblemsCan not write to the media card Cause Table D-6Solving Display Problems Solving Display ProblemsBlank screen no video Cause Solution Personalization, select Adjust screen resolution Image is not centered Cause Solution Dim characters Cause SolutionSelect ImageControl/ Horizontal Position or Vertical Out of Range displays on screen Cause No Connection, Check Signal Cable displays on screen CauseClicking noise coming from inside a CRT monitor Cause Certain typed symbols do not appear correct Cause Solution Symbol. Click Start All Programs Accessories Solving Audio Problems Table D-7Solving Audio Problems There is no sound or sound volume is too low Cause Sound from headphones is not clear or muffled CauseLine-in jack is not functioning properly Cause Solving Printer Problems Table D-8Solving Printer Problems Table D-9Solving Keyboard Problems Solving Keyboard and Mouse ProblemsTable D-10Solving Mouse Problems Solving Keyboard and Mouse Problems Solving Hardware Installation Problems Table D-11Solving Hardware Installation ProblemsComputer will not start Cause Solution Security USB Security Solving Hardware Installation Problems Solving Network Problems Table D-12Solving Network Problems Solving Network Problems Diagnostics reports a failure Cause Solution Solving Memory Problems New network card will not boot Cause Solution Table D-13Solving Memory Problems Out of memory error Cause SolutionMemory count during Post is wrong Cause Solution Insufficient memory error during operation Cause Solution Solving Processor Problems Solving CD-ROM and DVD ProblemsTable D-14Solving Processor Problems Table D-15Solving CD-ROM and DVD Problems Solving CD-ROM and DVD Problems Movie will not play in the DVD drive Cause Solution Table D-16Solving USB Flash Drive Problems Solving USB Flash Drive ProblemsCannot eject compact disc tray-load unit Cause Solving Front Panel Component Problems Table D-17Solving Front Panel Component ProblemsUSB flash drive not found identified Cause Solution System will not boot from USB flash drive Cause Solution Solving Internet Access Problems Table D-18Solving Internet Access ProblemsUnable to connect to the Internet Cause Solution Click Network and Internet Internet takes too long to download Web sites Cause Cannot automatically launch Internet programs CauseDouble-clickAgere Systems PCI-SV92PP Soft Modem Solving Software Problems Table D-19Solving Software Problems Contacting Customer Support Password Security and Resetting Cmos Resetting the Password Jumper Clearing and Resetting the CmosPage Windows 7 Backup and Recovery Backup and RecoveryBacking Up Your Information Select Start All Programs Maintenance Backup and Restore Performing a Recovery Using the Windows Recovery Tools Using F11 Select Repair your computer Specifications Table G-1Specifications SFF Specifications Table G-2Specifications Symbols/Numerics IndexPage Sata