Fan Assembly | HP D3K72UT D3K72UT#ABA specification

Fan Assembly

Description	Spare part number

Fan	656834-001

The fan assembly is attached to the inside floor of the chassis using two screws. The fan is inside of a removal metal cage.

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.Disconnect the fan cable from the system board connector labeled SYS_FAN.

5.Remove the Torx screw that secures the left side of the fan to the computer.

6.Cut the plastic tie (1) that secures the fan cable to the power supply power cables.

7.Remove the two screws (2) that secure the fan to the computer. The screw near the computer side is not shown in the following image.

8.Lift the fan assembly up and out of the computer (3). Figure 8-30Removing the fan

Fan Assembly 107

Image 117

HP D3K72UT D3K72UT#ABA manual Fan Assembly, Description Spare part number Fan 656834-001

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 Feature Overview Product Features Model 1Microtower Components Microtower Components 2Small Form Factor Components Small Form Factor Components Installing and Customizing the Software Installing the Operating SystemDownloading Microsoft Windows Updates Installing or Upgrading Device Drivers Windows systems Accessing Disk Image ISO FilesProtecting the Software Computer Setup F10 Utilities Computer Setup F10 Utility 1Computer Setup F10 Utility Using Computer Setup F10 Utilities 2Computer Setup-File Computer Setup-File 3Computer Setup-Storage Computer Setup-StorageOption Description Device Configuration Storage Options Sata Emulation Boot Order Shortcut to Temporarily Override Boot OrderDPS Self-Test 4Computer Setup-Security Computer Setup-Security Network Boot USB SecuritySlot Security System Security System IDs 5Computer Setup-Power Computer Setup-PowerOption Description Hardware Power Management 6Computer Setup-Advanced for advanced users Computer Setup-Advanced Recovering the Configuration Settings Illustrated parts catalog Microtower Chassis Spare PartsComputer Major Components Description Spare part number Access panel Power supply, 300WFront bezel Description Spare part number Cables Misc Parts Front I/O and USB assemblyChassis fan HP Business Digital Headset Misc Boards DrivesDescription Spare part number Hard drive Optical drive Spare part Description Number Sequential Part Number Listing 667727-001 Fan sink for use in models with Intel processors Use only in HP Pro 3505 models Small Form Factor SFF Chassis Spare Parts Power supplyIntel Core i7 processor Intel Core i5 processors Intel Pentium Dual-Core processors Intel Core i3 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 Hard Drive Characteristics Serial ATA Sata Drive Guidelines and FeaturesSata Hard Drives Sata Hard Drive Cables Hard Drive Capacities Smart ATA Drives Electrostatic Discharge Information Routine Care and Disassembly PreparationGenerating Static Relative Humidity Event 55% 40% 10% Personal Grounding Methods and Equipment Preventing Electrostatic Damage to EquipmentStatic Shielding Protection Levels Method Voltage Recommended Materials and Equipment Grounding the Work Area Cleaning the Computer Case General Cleaning Safety PrecautionsOperating Guidelines Routine Care Cleaning the Monitor Cleaning the Keyboard Cleaning the Mouse Service ConsiderationsPower Supply Fan Tools and Software Requirements Cables and Connectors Lithium Coin Cell BatteryHard Drives Removal and Replacement Procedures Microtower Chassis Serviceability FeaturesPreparation for Disassembly Description Spare part number Access panel 674373-001 Access Panel Front Bezel DDR3-SDRAM DIMMs Memory Populating Dimm Sockets 1DIMM SocketsDescription Socket Color Insertion Order Removing Memory Modules Page Expansion Cards 2Expansion SlotsSlot Type Number of Slots 3Expansion Slots 4Expansion Slots 6Expansion Slot Locations HP Pro 8Removing an Expansion Slot Cover Expansion Cards Page Page Cable Management Cable Connections Connector Name Connector Color Description Drive locations Drives Installing Additional Drives 6System Board Drive Connections System Board Connector System Board Label Color 7System Board Drive Connections Model 14System Board Drive Connections HP Pro 3405 shown 8System Board Drive Connections Model 15System Board Drive Connections HP Pro 3505 shown Removing an Optical Drive Page 9Front I/O connectors Front I/O and USB Panel Housing AssemblyPage Remove the optical drive Removing an Optical Drive on Power Switch/LED AssemblyPage System Fan Page Fan Sink Assembly Processor Description Spare part number Intel Core i7 processorsIntel 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 Description Socket Color 1DIMM Socket Locations Removing DIMMs Page Page Description Spare part number Graphics cards Expansion Card 2Expansion Slots Page Page Cable Management Sysfan 3Drive Positions Drive 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 Description Spare part number Fan 656834-001 Fan AssemblyPage Description Spare part number Fan sink 657402-001 Fan SinkPage 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 and Icon Pin Signal Connector Pin AssignmentsConnector and Icon 1/8 miniphone Pin Signal Ethernet BNC Headphone Pin Power for CPULine-in Audio Line-out Audio Monitor Serial Interface, Powered and Non-Powered DVI Connector Pin Power Connector Pin SignalSignal Pin PCI Express X1, x4, x8, and x16 PCI Express Connector Pin a Signal GND PRSNT2# Rsvd X1, x4, x8, and x16 PCI Express Connector Pin B Signal Power Cord Set Requirements Japanese Power Cord RequirementsGeneral Requirements Country Accrediting Agency Country-Specific Requirements Post Error Messages Table C-1Numeric Codes and Text Messages Post Numeric Codes and Text Messages Appendix C Post Error Messages Verify monitor is attached and turned Replace diskette drive Options Sata Emulation to IDE, Test under Storage DPS Self-testSelect 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 Safety and Comfort Before You Call for Technical Support Troubleshooting Without Diagnostics Refer to Helpful Hints on page 142 in this guide Helpful HintsPage Solving General Problems Table D-1Solving General ProblemsComputer date and time display is incorrect Cause Solution Poor performance is experienced Cause Solution There is no sound or sound volume is too low Cause Solution Cause Solution Solving Power Problems Table D-2Solving Power ProblemsPower supply shuts down intermittently Cause Solution Table D-3Solving Diskette Problems Solving Diskette Problems Problem has occurred with a disk transaction Cause Solution Cannot format diskette Cause SolutionDiskette drive cannot read a diskette Cause Solution Invalid system disk message is displayed Cause Solution Table D-4Solving Hard Drive Problems Solving Hard Drive Problems Power-On Advanced Power-On OptionsNonsystem disk/NTLDR missing message Cause Solution Computer seems to be locked up Cause Solution Computer will not boot from hard drive Cause Solution Solving Media Card Reader Problems Table D-5Solving Media Card Reader ProblemsCan not write to the media card Cause Solving Display Problems Table D-6Solving Display ProblemsBlank screen no video Cause Solution Personalization, select Adjust screen resolution Dim characters Cause Solution Image is not centered Cause SolutionSelect ImageControl/ Horizontal Position or Vertical No Connection, Check Signal Cable displays on screen Cause Out of Range displays on screen CauseClicking noise coming from inside a CRT monitor Cause Symbol. Click Start All Programs Accessories Certain typed symbols do not appear correct Cause Solution Table D-7Solving Audio Problems Solving Audio Problems Sound from headphones is not clear or muffled Cause There is no sound or sound volume is too low CauseLine-in jack is not functioning properly Cause Table D-8Solving Printer Problems Solving Printer Problems Solving Keyboard and Mouse Problems Table D-9Solving Keyboard ProblemsTable D-10Solving Mouse Problems Solving Keyboard and Mouse Problems Table D-11Solving Hardware Installation Problems Solving Hardware Installation ProblemsComputer will not start Cause Solution Security USB Security Solving Hardware Installation Problems Table D-12Solving Network Problems Solving Network Problems Diagnostics reports a failure Cause Solution Solving Network Problems New network card will not boot Cause Solution Solving Memory Problems Out of memory error Cause Solution Table D-13Solving Memory ProblemsMemory count during Post is wrong Cause Solution Insufficient memory error during operation Cause Solution Solving CD-ROM and DVD Problems Solving Processor ProblemsTable D-14Solving Processor Problems Table D-15Solving CD-ROM and DVD Problems Movie will not play in the DVD drive Cause Solution Solving CD-ROM and DVD Problems Solving USB Flash Drive Problems Table D-16Solving USB Flash Drive ProblemsCannot eject compact disc tray-load unit Cause Table D-17Solving Front Panel Component Problems Solving Front Panel Component ProblemsUSB flash drive not found identified Cause Solution System will not boot from USB flash drive Cause Solution Table D-18Solving Internet Access Problems Solving Internet Access ProblemsUnable to connect to the Internet Cause Solution Click Network and Internet Cannot automatically launch Internet programs Cause Internet takes too long to download Web sites CauseDouble-clickAgere Systems PCI-SV92PP Soft Modem Table D-19Solving Software Problems Solving Software Problems Contacting Customer Support Cmos Password Security and Resetting Clearing and Resetting the Cmos Resetting the Password JumperPage Backup and Recovery Windows 7 Backup and RecoveryBacking Up Your Information Select Start All Programs Maintenance Backup and Restore Using the Windows Recovery Tools Performing a Recovery Using F11 Select Repair your computer Table G-1Specifications Specifications Table G-2Specifications SFF Specifications Index Symbols/NumericsPage Sata