Hood Sensor | HP 8300e D8C26UTABA specification

Hood Sensor

Description	Spare part number

Hood sensor	638816-001

The hood sensor is located on the top of the rear chassis panel.

1.Prepare the computer for disassembly (Preparation for Disassembly on page 72).

2.Remove the computer access panel (Access Panel on page 73).

3.Unplug the hood sensor cable from the connector labeled HSENSE on the system board (1).

4.Slide the hood sensor straight out of the slot in the chassis (2). Figure 6-29Removing the hood sensor

To reinstall the hood sensor, reverse the removal procedure.

Hood Sensor 101

Image 112

HP 8300e D8C26UTABA manual Hood Sensor, Description Spare part number Hood sensor 638816-001

Contents

HP Compaq Business PC Maintenance and Service Guide First Edition May Document Part Number About This Book Table of contents Illustrated parts catalog 101 119 165 248 304 Xii Product Features Standard Configuration Features 3Small Form Factor Configuration Convertible Minitower CMT Front Panel Components 1Front Panel Components Microtower MT Front Panel Components 2Front Panel Components Small Form Factor SFF Front Panel Components 3Front Panel Components Ultra-Slim Desktop Usdt Front Panel Components 4Front Panel Components Convertible Minitower CMT Rear Panel Components 5Rear Panel Components Microtower MT Rear Panel Components 6Rear Panel Components Small Form Factor SFF Rear Panel Components 10Rear Panel Components Ultra-Slim Desktop Usdt Rear Panel Components 7Rear Panel Components Serial Number Location 14Small Form Factor Serial Number and Product ID Location Installing the Windows Operating System Downloading Microsoft Windows Updates Installing or Upgrading Device Drivers Windows systems Accessing Disk Image ISO FilesCustomizing the Monitor Display Windows systems Launching Windows XP from WindowsPage 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-StorageSata Defaults OptionDescription Removable Media Boot Storage OptionsSata Emulation Max eSATA Speed some models Shortcut to Temporarily Override Boot Order Boot OrderDPS Self-Test Computer Setup-Security 4Computer Setup-Security Network Boot Device SecurityUSB Security Slot Security System IDs Master Boot RecordSecurity System Security DriveLock Security Computer Setup-Power 5Computer Setup-Power Computer Setup-Advanced 6Computer Setup-Advanced for advanced usersOption Heading Power-On Options Bios Power-On Bus Options Device Options VGA Configuration Recovering the Configuration SettingsAMT Configuration Convertible minitower CMT chassis spare parts Computer system components Power supply Description Spare part number Access panelFront bezel Cables Misc parts Drives Sequential part number listing Misc boardsSpare part Description Number Illustrated parts catalog Convertible minitower CMT chassis spare parts Computer major components Microtower MT chassis spare partsDescription Spare part number Front bezel Microtower MT chassis spare parts Cables Misc parts Antenna Wlan not illustrated 583345-001 Misc boards Illustrated parts catalog Microtower MT chassis spare parts Illustrated parts catalog Small Form Factor SFF chassis spare parts Description Spare part number Cables Misc parts Rubber foot Chassis stand Drives Sequential part number listing Illustrated parts catalog Small Form Factor SFF chassis spare parts Ultra-Slim Desktop Usdt chassis spare parts AC adapter 689372-001 625256-001 Not illustrated Fan, rear 691352-001 Description Spare part number Card reader Front I/O panelRear port cover Chassis fan, front Drives Ultra-Slim Desktop Usdt chassis spare parts Illustrated parts catalog Generating Static Electrostatic Discharge InformationRelative 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 Sata Hard Drives Sata Hard Drive CablesSmart ATA Drives Cable Management Hard Drive Capacities Preparation for Disassembly Access Panel Description Spare part number Access panel 646819-001 Front Bezel Front Bezel Security Page Bezel Blanks 5Removing Bezel Blanks from the Subpanel Desktop Shown System Board Connections System Board Connector System Board Label Color Component1System Board Connections DIMMs MemoryDDR3-SDRAM DIMMs Populating Dimm Sockets Installing DIMMs Expansion Card 9Removing an Expansion Slot Cover Expansion Card Page Page Drives Drive Positions 2Drive Positions Removing a Drive from a Drive Bay Page Page 18Removing a Hard Drive from the Upper Bay Drives Installing Drives Media 19Extra Guide Screw Locations Guide Screw Device Installing a 5.25-inch Drive into a Drive Bay Page Installing a Hard Drive into an Internal Drive Bay 24Securing the Drive in the Adapter Bracket Drives Page 27Installing a Hard Drive into the Lower Two Bays Drives Page Hood Sensor Description Spare part number Hood sensor 638816-001 Front I/O, USB Assembly Page Power Switch Assembly Speaker Description Spare part number Speaker 645330-001 Rear Chassis Fan Description Spare part number Rear chassis fan 643908-001 Fan sink Description Spare part number Fan sink 643907-001Page Processor Description Spare part number Intel Core i7 processorIntel Core i5 processors Intel Core i3 processorsPage Secure the locking lever Power Supply System Board 39Removing the system board System Board Changing from a Minitower to a Desktop Configuration Page Changing from a Desktop to a Minitower Configuration Page Page Removal and Replacement Procedures Microtower MT Chassis Computer Access Panel Description Spare part number Access panel 646825-001 Remove the access panel Computer Access Panel on Front Bezel Security Page Bezel Blanks Memory Installing DIMMs Expansion Cards Remove the access panel Computer Access Panel on 8Removing an Expansion Slot Cover Expansion Cards Page Page Page SATAPWR1 Black USB Device, such as a Media Card Reader Hood Sensor Drives 14Extra Guide Screw Locations Removing a 5.25-inch or 3.5-inch Drive from a Drive Bay 15Drive PositionsPage Installing a 5.25-inch or 3.5-inch Drive into a Drive Bay 19Sliding the Drives into the Drive CagePage Installing a Hard Drive into an Internal Drive Bay Removing a Hard Drive from a Drive BayPage Page Front Fan Assembly Description Spare part number Front fan assembly 585884-001Page Front I/O Assembly Description Spare part number Front I/O assembly 646827-001 Power Switch/LED Assembly Heat sink Description Spare part number Heat sink 645326-001Page Processor Page Page Speaker Description Spare part number Rear chassis fan 636922-001 Page Power Supply Page System Board Page Preparation for Disassembly Description Spare part number Access panel 646815-001 Front Bezel Front Bezel Security Page 5Removing a bezel blank Replace the front bezel Bezel Blanks Memory Installing DIMMs Page Expansion Card Page Page Page Page 13System Board Connections 14Drive Positions Drives 2Drive Positions Installing and Removing Drives 15Extra Guide Screw Locations Removing a 5.25-inch Drive from a Drive Bay 16Removing the 5.25-inch Drive Page Removing a 3.5-inch Drive from a Drive Bay Installing a 3.5-inch Drive into a Drive Bay Page Page 26Installing Hard Drive Guide Screws Drives Page Fan duct Description Spare part number Fan duct 636921-001 Description Spare part number Front fan 645327-001 Page Hood Sensor Front I/O, Power Switch Assembly Remove the chassis fan Front Fan Assembly onPage 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 Preparation for Disassembly Description Spare part number Access panel 689382-001 Description Spare part number Front bezel 689383-001 Front Bezel Security Page Bezel Blank Description Spare part number Bezel blank 593230-001 MXM SODIMMs DDR3-SDRAM SODIMMs 1SODIMM Socket Locations Populating Sodimm SocketsDescription System Board Label Socket Color Installing SODIMMs 8Removing a Sodimm MemoryPage Front Fan Description Spare part number Front fan 689376-001 Optical Drive Removing the Optical Drive Preparing the New Optical Drive 12Aligning the release latch Optical Drive Installing the New Optical Drive Hard Drive Remove the optical drive Removing the Optical Drive onPage Page Page Page Optical Drive Rail Card Reader Description Spare part number Card reader 592685-001Page Description Spare part number Speaker 689384-001 Description Spare part number Heat sink 587456-001 Lift the heat sink from the system board 3770s, 3.4 GHz, 8-MB L3 cache 689370-001 Page Secure the locking lever Wlan Module Page Hood Sensor Graphics Board 33Graphics board heat sink screws Graphics Board System board 657095-001 Front I/O panel 587458-001 Page Rear Fan Description Spare part number Rear fan 691352-001 Antennas Page 42Removing the rear antenna outside Antennas Page Changing from Desktop to Tower Configuration Port Cover Description Spare part number Port cover 646818-001 Power Supply, External 46Removing a Port Cover Troubleshooting Without Diagnostics Safety and Comfort Before You Call for Technical Support Helpful Hints Refer to Helpful Hints on page 249 in this guidePage 1Solving General Problems Solving General ProblemsComputer date and time display is incorrect Cause Solution Cannot remove computer cover or access panel Cause There is no sound or sound volume is too low Cause SolutionPoor performance is experienced Cause Solution Cause Solution Run Windows XP or Start All Programs Troubleshooting Without Diagnostics 2Solving Power Problems Solving Power ProblemsPower supply shuts down intermittently Cause Solution Usdt power supply adapter must be at 135W and use Solving Diskette Problems 3Solving Diskette Problems Cannot format diskette Cause Solution Problem has occurred with a disk transaction Cause SolutionError-checking, click Check Now Diskette drive cannot read a diskette Cause Solution Invalid system disk message is displayed Cause Solution Cannot Boot to Diskette Cause SolutionStorage Boot Order Boot Solving Hard Drive Problems 4Solving Hard Drive Problems Computer will not boot from hard drive Cause Solution Nonsystem disk/NTLDR missing message Cause SolutionDevice Configuration Computer seems to be locked up Cause Removable hard drive is not recognized by the computer Cause 5Solving Media Card Reader Problems Solving Media Card Reader ProblemsCan not write to the media card Cause Computer’s software is used to safely eject the card Solving Display Problems 6Solving Display ProblemsBlank screen no video Cause Solution Only two display ports work Cause 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 7Solving Audio Problems Advanced Device Options Internal Speaker Sound from headphones is not clear or muffled CauseLine-in jack is not functioning properly Cause Solving Printer Problems 8Solving Printer ProblemsThere is no sound or sound volume is too low Cause Printer will not print Cause Solution Printer prints garbled information Cause Solution Printer is offline Cause Solution Solving Keyboard and Mouse Problems 9Solving Keyboard Problems10Solving Mouse Problems Shut Down Solving Keyboard and Mouse Problems Solving Hardware Installation Problems 11Solving Hardware Installation ProblemsComputer will not start Cause Solution Security USB Security Solving Network Problems 12Solving Network Problems Network status link light never flashes Cause Solution Diagnostics reports a failure Cause Solution Solving Memory Problems New network card will not boot Cause Solution 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 Problems14Solving Processor Problems Some fans only operate when needed Mode in Security Password Options 15Solving CD-ROM and DVD ProblemsMovie will not play in the DVD drive Cause Solution Cannot eject compact disc tray-load unit Cause Solving USB Flash Drive Problems 16Solving USB Flash Drive ProblemsUSB flash drive not found identified Cause Solution System will not boot from USB flash drive Cause Solution Solving Front Panel Component Problems Solving Internet Access Problems17Solving Front Panel Component Problems 18Solving Internet Access Problems Windows Click Network and InternetClick Internet Options Windows XP Click on Hardware and Sound Click on Device ManagerDouble-clickAgere Systems PCI-SV92PP Soft Modem Solving Software Problems 19Solving Software Problems Contacting Customer Support Post Error Messages ROM Download to Disable to Post Numeric Codes and Text Messages1Numeric Codes and Text Messages Control panel message Description Recommended action Post Numeric Codes and Text 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 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 Resetting the Password Jumper Clearing and Resetting the Cmos Cmos button Windows 7 Backup and Recovery Backing 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 Battery Replacement Type Page Removing and Replacing a Removable 3.5-inch Sata Hard Drive Page Page Figure B-7Replacing the Thermal Sensor 319 Page Unlocking the Smart Cover Lock Smart Cover FailSafe KeyPage Page Japanese Power Cord Requirements General Requirements Country-Specific Requirements Country Accrediting Agency CMT Specifications Table E-1Specifications MT Specifications Table E-2SpecificationsStandard Efficiency High Efficiency Appendix E Specifications Table E-3Specifications SFF SpecificationsRated Input Current Usdt Specifications Table E-4Specifications Index SFF Usdt spare part number 228 Usdt removal Page CMT SFF Usdt Sata CMT