Front Fan Assembly | HP Pro QV985AV guide

Front Fan Assembly

Description	Spare part number

Front fan	645327-001

The front fan assembly is attached to the front of the chassis.

1.Prepare the computer for disassembly (Preparation for Disassembly on page 94).

2.Remove the access panel (Access Panel on page 95).

3.Remove the front bezel (Front Bezel on page 96).

4.Remove the baffle (Fan duct on page 119).

5.Disconnect the fan cable from the red/brown system board connector labeled CHFAN. Figure 7-28Disconnecting the front fan cable

6.Press the tabs that secure the fan assembly to the front of the chassis (1).

120 Chapter 7 Removal and Replacement Procedures Small Form Factor (SFF) Chassis

Image 129

HP Pro QV985AV manual Front Fan Assembly, Description Spare part number Front fan 645327-001

Contents

HP Compaq Business PC Maintenance and Service Guide Page About This Book Table of contents Page Removal and Replacement Procedures Microtower MT Chassis 136 204 217 Standard Configuration Features Product Features 1Front Panel Components Microtower MT Front Panel Components 2Front Panel Components Small Form Factor SFF Front Panel Components 3Rear Panel Components Microtower MT Rear Panel Components 5Rear Panel Components Small Form Factor SFF Rear Panel Components 6Microtower Serial Number and Product ID Location Serial Number Location Activating and Customizing the Software Activating and customizing the software in WindowsActivating the Windows operating system Downloading Windows 7 updates Installing or upgrading device driversCustomizing the monitor display Click Settings Change PC Settings Downloading Windows 8 updates 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-StorageSata Defaults OptionDescription Storage Options ESATA Port Removable Media BootSata Emulation Max eSATA Speed Boot Order Shortcut to Temporarily Override Boot OrderDPS Self-Test 4Computer Setup-Security Computer Setup-Security Device Security Network BootUSB Security Slot Security Security System Security Secure Boot ConfigurationDriveLock Security 5Computer Setup-Power Computer Setup-Power Computer Setup-Advanced 6Computer Setup-Advanced for advanced usersOption Heading Power-On Options Onboard Devices Bios Power-OnBus Options Device Options Recovering the Configuration Settings VGA ConfigurationAMT Configuration Illustrated parts catalog Microtower MT chassis spare partsComputer major components Power supply Access panelIntel Core i7 processor Intel Core i5 processors Cables Description Spare part numberIntel Celeron processors Misc parts USB powered speakers not illustrated Fan duct assemblyESATA port assembly, PCI card not illustrated Description Spare part number Rear chassis fan Misc boards DrivesDescription Spare part number Hard drive Optical drive Spare part Description Number Sequential part number listing Illustrated parts catalog Microtower MT chassis spare parts Illustrated parts catalog Description Spare part number Front bezel Small Form Factor SFF chassis spare parts Description Spare part number Cables Misc parts Drive adapter not illustrated Drives Sequential part number listing Illustrated parts catalog Small Form Factor SFF chassis spare parts Illustrated parts catalog Electrostatic Discharge Information Generating StaticRelative 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 Sata Hard Drive Cables Sata Hard DrivesSmart ATA Drives Cable ManagementPage Preparation for Disassembly Removal and Replacement Procedures Microtower MT Chassis Description Spare part number Access panel 646825-001 Computer Access Panel Front Bezel Remove the access panel Computer Access Panel on Front Bezel Security Page 5Removing a Bezel Blank Bezel Blanks Bezel Blanks DIMMs MemoryDDR3-SDRAM DIMMs Populating Dimm Sockets Installing DIMMs Page Expansion Cards Page Page Page System Board Connector System Board Label Color Component System Board Connections1System Board Connections Drives Guide Screw Device Media 2Drive Positions Drive Positions Removing a 5.25-inch or 3.5-inch Drive from a Drive Bay 16Removing the Drives Installing a 5.25-inch or 3.5-inch Drive into a Drive BayPage Page Removing a Hard Drive from a Drive Bay Installing a Hard Drive into an Internal Drive BayPage Page Page Description Spare part number Front fan assembly 585884-001 Front Fan AssemblyPage Description Spare part number Front I/O assembly 646827-001 Front I/O Assembly Power Switch/LED Assembly Description Spare part number Heat sink 645326-001 Heat sinkPage Description Spare part number Intel Core i7 processor ProcessorPage Page Description Spare part number Speaker 645330-001 Speaker Description Spare part number Rear chassis fan 636922-001 Rear Chassis FanPage Power Supply Page System Board Preparation for Disassembly Description Spare part number Access panel 646815-001 Access Panel Description Spare part number Front bezel 687950-001 Front Bezel Security Page 5Removing a bezel blank Replace the front bezel Bezel Blanks Memory Installing DIMMs Page Expansion Card Page Page Page Black Unused Power X4PCIEXP 13Drive Positions Installing and Removing Drives Removing a 5.25-inch Drive from a Drive Bay Installing a 5.25-inch Drive into a Drive Bay Page Page Removing a 3.5-inch Drive from a Drive Bay Installing a 3.5-inch Drive into a Drive Bay Page 24Removing the Hard Drive Drives Page Description Spare part number Fan duct 636921-001 Fan duct Description Spare part number Front fan 645327-001 Page Description Spare part number Hood sensor 638816-001 Hood Sensor Remove the chassis fan Front Fan Assembly on Front I/O, Power Switch AssemblyPage Description Spare part number Speaker 636925-001 Heat sink Page Processor Page Page Power Supply Page System Board Page Using the Small Form Factor Computer in a Tower Orientation Safety and Comfort Before You Call for Technical Support Troubleshooting Without Diagnostics Refer to Helpful Hints on page 137 in this guide Helpful HintsPage 1Solving General Problems Solving General ProblemsComputer date and time display is incorrect Cause Solution Computer will not respond to keyboard or mouse Cause Cannot remove computer cover or access panel Cause There is no sound or sound volume is too low Cause SolutionPoor performance Cause Solution Advanced Device Options Under Windows System, click Run All apps icon Cause Solution Solving Power Problems 2Solving Power ProblemsPower supply shuts down intermittently Cause Solution Some models, is set to the appropriate voltage. Proper 3Solving Hard Drive Problems Solving Hard Drive Problems Computer will not boot from hard drive Cause Solution Nonsystem disk/NTLDR missing message Cause SolutionStorage Boot Order Device Configuration Computer seems to be locked up Cause Solution Solving Media Card Reader Problems 4Solving Media Card Reader ProblemsCan not write to the media card Cause Computer’s software is used to safely eject the card 5Solving Display Problems Solving Display ProblemsBlank screen no video Cause Solution Adjust screen resolution Dim characters Cause Solution Image is not centered Cause Solution No Connection, Check Signal Cable displays on screen CauseSelect ImageControl/ Horizontal Position or Vertical Out of Range displays on screen Cause Certain typed symbols do not appear correct Cause 6Solving 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 7Solving Printer Problems Solving Printer ProblemsPrinter will not print Cause Solution Printer will not turn on Cause Solution Printer prints garbled information Cause Solution 8Solving Keyboard Problems Solving Keyboard and Mouse Problems Enter 9Solving Mouse Problems 10Solving Hardware Installation Problems Solving Hardware Installation ProblemsControl Panel , and then select Device Manager Security USB Security Computer will not start Cause Solution 11Solving Network Problems Solving Network Problems Manager Network status link light never flashes Cause Solution Diagnostics reports a failure Cause Solving Memory Problems Out of memory error Cause Solution 12Solving Memory ProblemsMemory count during Post is wrong Cause Solution Insufficient memory error during operation Cause Solution Solving CD-ROM and DVD Problems Solving Processor Problems13Solving Processor Problems 14Solving CD-ROM and DVD Problems Movie will not play in the DVD drive Cause Solution Security Network Boot Cannot eject compact disc tray-load unit Cause Solving USB Flash Drive Problems 15Solving USB Flash Drive Problems USB flash drive not found identified Cause SolutionSystem will not boot from USB flash drive Cause Solution Solving Internet Access Problems Solving Front Panel Component ProblemsPorts are set to Enabled in Security USB Security Unable to connect to the Internet Cause Solution Click Internet Options Select Start Control Panel Solving Software Problems Solving Software Problems Contacting Customer Support Post Error Messages 1Numeric Codes and Text Messages Post Numeric Codes and Text Messages Post Numeric Codes and Text 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 Post Numeric Codes and Text Messages Bios ME firmware upgrading. a failure has 2Diagnostic Front Panel LEDs and Audible Codes Activity Beeps Possible Cause Recommended Action Desktop Management Guide for more 2Diagnostic Front Panel LEDs and Audible Codes Cmos Password Security and Resetting Resetting the Password Jumper Clearing and Resetting the Cmos Cmos button HP PC Hardware Diagnostics Why run HP PC Hardware Diagnostics UefiHow to access and run HP PC Hardware Diagnostics Downloading HP PC Hardware Diagnostics to a USB device Restoring and recovering in Windows Backup and RecoverySystem Restore System Recovery System Recovery when Windows is responding System Recovery when Windows is not responding Creating recovery media Using recovery media Backing up your information Backup and recovery in Windows Using the Windows recovery tools Performing a system recovery Using f11 recovery tools Battery Replacement Type Page Removing and Replacing a Removable 3.5-inch Sata Hard Drive Page Figure B-5Replacing the Hard Drive 209 Page Page Smart Cover FailSafe Key Unlocking the Smart Cover LockPage Page Power Cord Set Requirements Japanese Power Cord RequirementsGeneral Requirements Country Accrediting Agency Country-Specific Requirements Specifications MT SpecificationsTable E-1Specifications High Efficiency Standard Efficiency SFF Specifications Table E-2SpecificationsRated Input Current Index Symbols/Numerics SFF Page Sata SFF