Hood Sensor | HP E3S33UT#ABA, E3S36UT#ABA, Pro 6305 C1E21UT#ABA

Hood Sensor

Description	Spare part number

Hood sensor	638816-001

The hood sensor is attached in a slot in the rear of the chassis.

1.Prepare the computer for disassembly (Preparation for Disassembly on page 92).

2.Remove the access panel (Access Panel on page 93).

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

4.Slide the hood sensor straight out of the notch in the chassis (2).

NOTE: A flat blade screwdriver can be used to push the hood sensor out of the slot.

Figure 7-40Removing the hood sensor from the chassis fan

To install the hood sensor, reverse the removal procedure.

Hood Sensor 125

Image 133

HP E3S33UT#ABA, E3S36UT#ABA, Pro 6305 C1E21UT#ABA manual Hood Sensor, Description Spare part number Hood sensor 638816-001

Contents

Maintenance and Service Guide First Edition October Document Part Number About This Book Table of contents Removal and Replacement Procedures Microtower MT Chassis 101 137 195 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 4Rear Panel Components Small Form Factor SFF Rear Panel Components 6Microtower Serial Number and Product ID Location Serial Number Location Installing the Windows operating system Installing and Customizing the Software Installing or upgrading device drivers Downloading Windows 7 updatesCustomizing the monitor display 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 Sata Emulation Removable Media Boot Shortcut to Temporarily Override Boot Order Boot OrderDPS Self-Test 4Computer Setup-Security Computer Setup-Security Master Boot Record Network Service BootSlot Security System IDs DriveLock Security System Security 5Computer Setup-Power Computer Setup-Power 6Computer Setup-Advanced for advanced users Computer Setup-Advanced Device Options Bus Options Configuration Recovering the Configuration SettingsASF Configuration Computer major components Microtower MT chassis spare parts Power supply Access panelDescription Spare part number Front bezel Inch bezel blank not illustrated Cables Misc parts USB powered speakers Fan duct assemblyESATA port assembly, PCI card Description Spare part number Misc boards DrivesDescription Spare part number Hard drives Optical drives Spare part Description Number Sequential part number listing Microtower MT chassis spare parts Illustrated parts catalog Small Form Factor SFF chassis spare parts Description Spare part number Cables Misc parts ESATA port assembly, PCI card not illustrated USB powered speakers not illustratedRubber feet Chassis stand Optical drive Description Spare part number Hard drive Sequential part number listing Illustrated parts catalog Small Form Factor SFF chassis spare parts Generating Static Electrostatic Discharge InformationRelative 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 Lithium Coin Cell Battery Cables and ConnectorsHard Drives Sata Hard Drive Cables Sata Hard DrivesSmart ATA Drives Cable Management Hard Drive Capacities Preparation for Disassembly Removal and Replacement Procedures Microtower MT Chassis Description Spare part number Access panel 646825-001 Computer Access Panel Description Spare part number Front bezel 689377-001 Front Bezel Front Bezel Security Page Bezel Blanks DIMMs MemoryDDR3-SDRAM DIMMs Populating Dimm Sockets Installing DIMMsPage Expansion Cards 8Removing an Expansion Slot Cover Expansion Cards Page Page System Board Connections System Board Connector System Board Label Color Component1System Board Connections Media Drives Guide Screw Device 13Extra Guide Screw Locations 2Drive Positions Drive Positions Removing a 5.25-inch or 3.5-inch Drive from a Drive Bay 17Removing the Drives Installing a 5.25-inch or 3.5-inch Drive into a Drive BayPage 21Connecting the Media Card Reader USB Cable Drives Removing a Hard Drive from a Drive Bay 24Sliding the 2.5-inch Drive in the Adapter Bracket Drives Installing a Hard Drive into an Internal Drive BayPage Removing and Replacing a Removable 3.5-inch Sata Hard Drive Page Page 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 Processor Description Spare part number Speaker 645330-001 Speaker Description Spare part number Rear chassis fan 643908-001 Rear Chassis FanPage Power Supply Page System Board Page 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 ESATA Adapter Cable Sata Black Expansion Card PCI Express x16 downshifted 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 Removing a 3.5-inch Drive from a Drive Bay Page Installing a 3.5-inch Drive into a Drive Bay Page Page Page Removing and Replacing a Removable 3.5-inch Sata Hard Drive Page Page Page 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 44Loosening the heat sink screws Heat sink Page Processor 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 138 in this guide Helpful HintsPage 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 Solving General Problems 2Solving Power Problems Solving Power ProblemsPower supply shuts down intermittently Cause Solution 3Solving Hard Drive Problems Solving Hard Drive Problems Storage Boot Order Computer will not boot from hard drive Cause SolutionDevice Configuration Computer seems to be locked up Cause Solution Removable hard drive is not recognized by the computer Cause 4Solving Media Card Reader Problems Solving Media Card Reader ProblemsCan not write to the media card Cause Solving Media Card Reader Problems 5Solving Display Problems Solving Display ProblemsBlank screen no video Cause Solution Dim characters Cause Solution No Connection, Check Signal Cable displays on screen Cause Image is not centered Cause SolutionSelect ImageControl/ Horizontal Position or Vertical Out of Range displays on screen Cause Symbol. Click Start All Programs Accessories Certain typed symbols do not appear correct Cause SolutionClicking noise coming from inside a CRT monitor Cause 6Solving Audio Problems Solving 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 7Solving Printer Problems Solving Printer Problems 8Solving Keyboard Problems Solving Keyboard and Mouse Problems9Solving Mouse Problems Shut Down Solution 10Solving Hardware Installation Problems Solving Hardware Installation ProblemsComputer will not start Cause Solution Security USB Security Troubleshooting Without Diagnostics 11Solving Network Problems Solving Network Problems Diagnostics reports a failure Cause Solution New network card will not boot Cause Solution 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 Cannot eject compact disc tray-load unit Cause 15Solving USB Flash Drive Problems Solving USB Flash Drive ProblemsUSB flash drive not found identified Cause Solution System will not boot from USB flash drive Cause Solution Solving Internet Access Problems Solving Front Panel Component Problems16Solving Front Panel Component Problems 17Solving Internet Access Problems Click Network and Internet WindowsClick Internet Options Click on Hardware and Sound 18Solving 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 Reconfigure card resources and/or run 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 Post Error Messages 2Diagnostic Front Panel LEDs and Audible Codes Cmos Resetting the Password Jumper Clearing and Resetting the Cmos Cmos button System Restore Restoring and recovering in Windows System Recovery when Windows is responding System Recovery System recovery using recovery media System Recovery when Windows is not responding Creating recovery media Page Battery Replacement Type Type General Requirements Japanese Power Cord Requirements Country Accrediting Agency Country-Specific Requirements Table C-1Specifications MT Specifications MT Specifications Table C-2Specifications SFF SpecificationsRated Input Current Index SFF Page Sata SFF