Rear chassis fan | HP 280 G1 specification

Rear chassis fan

1.Prepare the computer for disassembly (Preparation for disassembly on page 21).

2.Remove the access panel (Access panel on page 22).

3.From the rear of the chassis, remove the three silver Phillips screws that secure the fan to the rear of chassis.

4.From the inside of the chassis, if the fan cable is secured to the hood sensor cable with a plastic tie (1), cut the tie to separate the cables.

5.Disconnect the fan control cable from the red system board connector labeled SYS_FAN(2).

44 Chapter 5 Removal and replacement procedures

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HP 280 G1 manual Rear chassis fan

Contents

Maintenance and Service Guide Product notice Safety warning notice Iii Iv Safety warning notice Table of contents Sata data cable System board callouts 100 103104 105 120 121124 Viii Product description Product description Serviceability End user replaceable parts SoftPaq Product Features Standard Configuration Features Front panel components Front panel componentsMm Microphone Jack Power cord connector Rear panel components Rear panel components Serial Number Location Computer major components Illustrated parts catalogComputer major components Access panel Front I/O assemblyIllustrated parts catalog Item Description Front bezel Wlan 802.11 a/b/g/n + Bluetooth 4.0 module Misc partsMisc parts Graphics card, GeForce GT705 PCIe x16, 1 GB Drives Item DescriptionMouse Description Hard drives/Solid-state drives Electrostatic discharge information Generating staticElectrostatic discharge information Relative Humidity Event 55% 40% 10% Preventing electrostatic damage to equipment Personal grounding methods and equipmentGrounding the work area Static Shielding Protection Levels Operating guidelines Recommended materials and equipment General cleaning safety precautions Cleaning the Computer CaseCleaning the keyboard Routine care Service considerations Cleaning the monitorCleaning the mouse Power supply fan Cables and connectors Lithium coin cell batteryScrews Hard Drives Serial ATA Hard Drive Characteristics Sata hard drivesSata hard drive cables Smart ATA drives Cable management Removal and replacement procedures Preparation for disassembly Access panel Front bezel Optical drive bezel blank Memory DIMMsDDR3/DDR3L-SDRAM UDIMMs Populating Dimm sockets Installing DIMMs Expansion cards Removal and replacement procedures Page Drives Drive positions Removing an optical drive Removing a hard drive Front I/O and power switch assembly Page Removal and replacement procedures Card reader Removal and replacement procedures Heat sink Processor Speaker Page Page Rear chassis fan Page Hood sensor Power supply Page System board System board callouts Sys Bd Label Color Component Computer Setup F10 Utility Computer Setup F10 Utilities Using Computer Setup F10 Utilities Computer Setup-File Computer Setup-Storage Computer Setup F10 Utility Computer Setup-Security Network Boot Master Boot SecurityDevice Security USB Security Secure Boot ConfigurationLegacy Support to disabled System Security these Computer Setup-Power Hardware PowerOption Description Management Computer Setup-Advanced Power-On OptionsBios Power-On Option PCI VGA Configuration Using the Dash Terminal Type optionConnected Bios Bus Options Recovering the Configuration Settings Troubleshooting without diagnostics Safety and comfort Before you call for technical support Helpful hints Solving general problems Computer will not respond to keyboard or mouse Cause Solving general problems Apps icon Poor performance Cause SolutionUnder Windows System, click Run Processor thermal protection activated Solving power problems Power supply shuts down intermittently Cause Solution Solving hard drive problems Solving hard drive problems Nonsystem disk/NTLDR missing message Cause Solution Storage Boot Order listComputer will not boot from hard drive Cause Solution Storage Boot Order Solving media card reader problems Solving media card reader problemsCan not write to the media card Cause Solving display problems Inserted media card has boot capabilityBlank screen no video Cause Solution To the electrical outlet Solving display problems Blank screen no video Cause Dim characters Cause Solution Install the video drivers included in the upgrade kitBe sure the monitor cable is securely connected to Monitor needs to be degaussed Image is not centered Cause Solution Position may need adjustmentNo Connection, Check Signal Cable displays on screen Cause Horizontal or vertical position of the image Certain typed symbols do not appear correct Cause Solving audio problemsSound cuts in and out Cause Solution Solving audio problems Solving printer problems Printer will not print Cause SolutionLine-in jack is not functioning properly Cause Control Panel , and then select Device Manager Solving keyboard and mouse problems Solving keyboard and mouse problemsPrinter prints garbled information Cause Solution Make the proper network connections to the printer Keyboard connector is not properly connected Program in use has stopped responding to commandsShut down the computer using the keyboard Computer, and then restart the computer Solving Hardware Installation Problems Solving Hardware Installation ProblemsThat pins in the connector are not bent down Mouse may need repair Computer will not start Cause Solution Solving Network Problems Solving Network Problems Network status link light never flashes Cause Solution Correct operating mode Diagnostics reports a failure Cause SolutionSettings for the board Cable Correctly Solving memory problems New network card will not boot Cause Solution Solving memory problems Out of memory error CauseMemory count during Post is wrong Cause Solution Insufficient memory error during operation Cause Solution Computer Setup utility Solving CD-ROM and DVD problemsSecurity Network Boot Movie will not play in the DVD drive Cause Solution Solving CD-ROM and DVD problemsCannot eject compact disc tray-load unit Cause Solving USB flash drive problems USB flash drive not found identified Cause SolutionSystem will not boot from USB flash drive Cause Solution Security USB Security Solving Internet access problems Solving front panel component problemsSolving front panel component problems Solving software problems Delete buttonLog on to your ISP and launch the desired program System files may be damaged Advanced startup, click Restart now Solving software problemsSelect Automatic Repair Post error messages Post error messagesPost numeric codes and text messages Control panel message Description Recommended action Download to Disable to prevent PXE Post numeric codes and text messages Flash Screen Image Corrupted Flash Screen image has errors ECC Memory Module Detected ECCEnsure that none of the keys are Depressed Power Supply fan not detected Reseat power supply fanReconfigure card resources and/or run Computer Setup or Windows utilities Sata Cabling Error One or more Sata devices are improperly Reboot the computerFunctionality contained in the system Bios System Bios version Attached Enabled Turned off Activity Beeps Possible cause Recommended action Faulty module Pre-video graphics error For systems with a graphics cardRed Power LED flashes seven Times, once every second Unable to boot Open hood and check that the power button Check that both power supply cables areReplace the power button harness. If Problem persists, replace the system board Password security and resetting Cmos Resetting the Cmos and password jumper Changing a Setup or Power-On password Deleting a Setup or Power-On password Press Enter Deleting a Setup or Power-On password Why run HP PC Hardware Diagnostics HP PC Hardware DiagnosticsHow to access and run HP PC Hardware Diagnostics Diagnostic section, click HP Uefi Support Environment Creating recovery media and backups System backup and recoveryRestoring and recovering using Windows tools Using Reset when the system is not responding Select Reset Follow the on-screen instructions to continue Backing up, restoring, and recovering in Windows Creating recovery media Click All Programs To create recovery discs Close all open programs To create the Windows DVD System backup and recovery System Restore Follow the on-screen instructions to set up your backup System Recovery System Recovery when Windows is responding System Recovery when Windows is not responding Select Install now Page Battery replacement Page Japanese Power Cord Requirements Power Cord Set RequirementsGeneral Requirements Country-Specific Requirements Country-Specific RequirementsCountry Accrediting Agency Statement of Volatility Appendix C Statement of Volatility Enter the F10 setup utility Specifications SpecificationsAppendix D Specifications Recycling 125 Index Memory module Keyboard Cleaning Product description Keyboard problemsIllustrated Product description Audio Chipset Ethernet 108 Safety and comfort Safety precautions Cleaning System restore points, creatingFlash drive 112 System Recovery 114 Processor Rear chassis fan Speaker