Installing the power button assembly | HP Z400 H2D81US specs

6.Pull the power button assembly 2 from the chassis. Figure 5-10Removing the power button assembly

Installing the power button assembly

To replace the power button assembly, reverse the previous steps.

76 Chapter 5 Replacing components

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HP Z400 H2D81US, VA799UT 799UT#ABA manual Installing the power button assembly

Contents

HP 400 Workstation Copyright Information Warranty Trademark Credits About this guide Guide topics Iv About this guide Table of contents Restoring the operating system System management Replacing components Customer self-repair Removing and installing components Diagnostics and troubleshooting Configuring RAID devices Appendix D Locating HP resources Configuring password security and resetting Cmos179 Xii Product features Product overviewSystem board architecture Topics Memory technology Processor technologyGraphics Additional features Expansion card slots Workstation components Chassis components1Workstation component descriptions Description Symbol Description 2Front panel connectorsFront panel components 3Rear panel connectors Rear panel components Workstation specifications Physical characteristicsPower supply description Power supply voltages 5Maximum current per rail Power supply currentsVoltage rail Power consumption and heat dissipation Power supply specifications6Power supply specifications Resetting the power supply System fans Environmental specifications 7HP Workstation environmental specificationsTemperature Humidity Altitude Shock Vibration Non-operating Energy Star Qualification EUP compliance mode Accessibility Hyper-threadingEnabling EUP compliance mode Disabling EUP compliance mode HP Cool Tools 6Proper workstation placement Ensuring proper ventilation Setting up the operating system Installing or upgrading device drivers Setting up the Microsoft operating systemTransferring files and settings to your Windows workstation Setting up Red Hat Enterprise Linux Installing with the HP driver CD Setting up Novell Sled Installing and customizing Red Hat-enabled workstationsUpdating the workstation after first boot Upgrading the Bios Determining current Bios Upgrading Bios Upgrading device drivers Restore methods Restoring the operating system Ordering the RestorePlus! media Ordering backup software Restoring Windows VistaRestoring the operating system Creating RestorePlus! media Restoring Windows XP Professional Creating HP Backup and Recovery Hpbr media Creating restore media Using RestorePlusUsing Hpbr Using the recovery partition Restoring Novell Sled System management Computer Setup F10 Utility Computer Setup F10 functionality Enww Accessing the Computer Setup F10 Utility 1Computer Setup F10 Utility menu descriptions Computer Setup F10 Utility menuHeading Option Description Disable 16 is the default As a bootable device Enabled by the operating system MWAITE-AWARE OS PCI VGA Enww Workstation management Section topics Initial workstation configuration and deployment Installing a remote system Replicating the setup Copying a setup configuration to a single workstation Copying a setup configuration to multiple workstations Updating and managing software Altiris Client Management SolutionsHP Client Manager Software Proactive Change Notification System Software ManagerSubscribers Choice Remote ROM Flash ROM FlashHPQFlash FailSafe Boot Block ROM Recovering the workstation from Boot Block Recovery mode 2Security features overview Feature Purpose How it is establishedWorkstation security Asset tracking Feature Purpose Sata hard disk drive security Using DriveLock DriveLock applications Enabling DriveLock Select SecurityDriveLock Security Password security Establishing a power-on password using workstation setup Entering a power-on password Entering a setup password Changing a power-on or setup password Deleting a power-on or setup password National keyboard delimiter characters3National keyboard delimiter characters Language Delimiter Clearing passwords Side access panel sensor Smart Cover Sensor optionalSetting the side access panel sensor protection level Side access panel solenoid lock Fault notification and recovery ECC fault predictionDrive Protection System Thermal sensors Dual-state power button Changing the power button configuration Replacing components Enww ESD information Service considerationsGenerating static Preventing ESD equipment damage Personal grounding methods and equipment1Static shielding protection levels Method Voltage Grounding the work area Recommended ESD prevention materials and equipment Tools and software requirements Cables and connectorsSpecial handling of components Customer self-repair Lithium coin cell batteryHard disk drives Removing and installing components Component locations2System board components ID Component Predisassembly procedures Disassembly order 3Workstation component installationTo install Remove Then remove Replace Cable lock optional 2Removing the cable lock Replacing components Removing the side access panel Side access panelInstalling the side access panel Removing the side access panel sensor Side access panel sensor optionalInstalling the side access panel sensor Removing the side access panel solenoid lock Side access panel solenoid lockInstalling the side access panel solenoid lock Front panel I/O device assembly Installing the front bezelRemoving the front panel I/O device assembly Bezel Enww Installing the front panel I/O device assembly Power button assembly Removing the power button assembly Installing the power button assembly Optical disk drive Removing an optical disk drive from the optical bay 12Removing the optical disk drive Replacing components Installing an optical disk drive in the optical bay 14Connecting power and data cables Replacing components Workstation speaker Installing the workstation speakerRemoving the workstation speaker Removing the power supply Power supplyInstalling the power supply Power connections 4Power connector description Removing the rear system fan assembly Rear system fan assemblyInstalling the rear system fan assembly Dimm installation guidelines Dimm installation orderSupported Dimm configurations Memory Bios errors and warnings Removing a Dimm Installing a Dimm 22Seating the Dimm Secure the socket levers Slot identification and description Expansion card slot identificationType Card configuration restrictions for power supplies Choosing an expansion card slot Expansion card Expansion card slot descriptionRemoving an expansion card 6Workstation PCIe compatibility matrix Enww Installing an expansion card Removing the battery BatteryInstalling the battery Installing the hard disk drive Installation guidelinesHard disk drive Removing the hard disk drive Installation Enww Enww CPU heatsink Removing the CPU heatsink Installing the CPU heatsink Enww CPU Removing a CPU Installing a CPU System board Installing the system boardRemoving the system board Product recycling Diagnostics and troubleshooting Calling technical support Locating ID labels Locating warranty information Diagnosis guidelines Diagnosis at startup Diagnosis during operation Troubleshooting checklist HP troubleshooting resources and tools Troubleshooting a problemHP Help and Support Center Support Product Change Notifications Helpful hintsAt startup During operation Troubleshooting scenarios and solutionsCustomizing the monitor display 1Minor problems Solving minor problemsProblem Cause Possible Solution Problem Cause Possible Solution Solving power supply problems Testing power supply2Power supply problems Problem Cause Solution 3Diskette problems Solving diskette problemsSelect FilePropertiesTools Solving hard drive problems 4Hard drive problemsBoot in StorageBoot Order F1440 SecurityRestore Master Boot Record Solving display problems 5Display problems Select StartAll Programs AccessoriesSystem Support.html 6Audio problems PropertiesFor this CD-ROM device Devices Self-troubleshooting with HP Vision Field Diagnostics Solving printer problems7Printer problems DIR C\ printer port Downloading and accessing HP Vision Field Diagnostics Overview User interface Survey tab Categories Levels include Test tab Enww Status tab Errors tabHistory tab Help tab Downloading the latest diagnostic utility Diagnostic codes and errorsDiagnostic LED and audible beep codes 8Diagnostic lights and audible codes Activity Possible cause Activity Possible cause Recommended action See the ROM Flash section of the Maintenance and Service 9LED color definitions LED color definitionsLED state LED color System status 10POST error messages Post error messagesScreen message Probable cause Recommended action Verify that a memory module cooling fan is installed Dimm Configuration DIMMs are not installed correctly not CPU Overtemp Insufficient processor cooling or Replace the processor with a compatible one Screen message Probable cause Maximum hard drive configurations Configuring RAID devices1Maximum hard drives Configuring Sata RAID devices Attaching Sata HDDs Configuring system Bios Creating RAID volumes Deleting RAID volumes Configuring SAS RAID devices Supported configurations SAS RAID 0 configuration SAS RAID 1 configuration SAS RAID 1E configuration Configuring password security and resetting Cmos Preparing to configure passwords Clearing and Resetting the Cmos Resetting the password jumperUsing the Cmos Button Using the Computer Setup F10 Utility to Reset Cmos Enww Connector pins Workstation keyboard Pin SignalWorkstation mouse Pin Signal Workstation Ethernet Pin 10/100-MbSignal 1000-Mb Workstation USB Pin Signal Pin SignalSata drive Pin Signal Signal Pin Data Cable Power Cable SAS drive Segment Pin PlugCable Receptacles Workstation VGA Pin Signal DVI-I cable Pin Signal Display port Main power cable, P1 Graphics aux. power cables, P12 Pin Signal Color CPU power cable, P3Internal USB 1 Pin Signal Internal USB 1 Workstation rear system fan Pin SignalInternal USB 2 Workstation CPU fan Pin Signal Workstation FDD Pin Signal Signal Pin Workstation internal serial System board designators Designator Silk screen Component Appendix B System board designators General cleaning safety precautions Cleaning the workstation caseCleaning the keyboard Routine Care Cleaning the monitor Cleaning the mouse Locating HP resources Product information on Product information Table D-1Product informationTopic Location All Programs HP Cool Tools Product support Table D-2Product support Table D-3Product documentation Product documentationCustomer Bulletins, or Customer Notices Product diagnostics Table D-4Product diagnostics Product updates Table D-5Product updatesTaskUse Tools to view...ToolsMy Computer InformationView general system information Index Appendices Enww