HP C796WU, C721TU, C725BR, C718TU, C720BR, C717TU Description Spare part number Fan 454944-001

Page 76

Fan

Description

Spare part number

 

 

Fan

454944-001

 

 

NOTE: To properly ventilate the computer, allow at least a 7.6-cm (3-inch) clearance on the left side of the computer. The computer uses an electric fan for ventilation. The fan is controlled by a temperature sensor and is designed to turn on automatically when high temperature conditions exist. These conditions are affected by high external temperatures, system power consumption, power management/battery conservation configurations, battery fast charging, and software requirements. Exhaust air is displaced through the ventilation grill located on the left side of the computer.

Before removing the fan, follow these steps:

1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system.

2. Disconnect all external devices connected to the computer.

3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer.

4. Remove the battery (see Battery on page 40).

5. Remove the following components:

a. Hard drive (see Hard drive on page 41)

b. Optical drive (see Optical drive on page 48)

c. Keyboard (see Keyboard on page 50)

d. Switch cover (see Switch cover on page 53)

e. Display assembly (see Display assembly on page 55)

f. Top cover (see Top cover on page 62)

Remove the fan:

1. Disconnect the fan cable (1) from the system board.

2. Remove the Phillips PM2.0×9.0 screw (2) that secures the fan to the base enclosure.

68 Chapter 4 Removal and replacement procedures

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Contents HP G7000 Notebook PC and Compaq Presario C700 Notebook PC Page Safety warning notice Iv Safety warning notice Table of contents Setup Utility Screw listing Recycling Product description Category Description HP G7000 Compaq Presario C700 NotebookIntel Core Duo processors Intel Celeron M processorsGraphics PanelMemory Hard drivesDiskette drive CameraMicrophone AudioPower requirements Operating system PreinstalledServiceability End-user replaceable parts Keyboard/pointingExternal component identification Top componentsDisplay components Component DescriptionButtons and speakers Panel System and Maintenance PowerOptions Keys Component FunctionLights TouchPad Front components Right-side componentsLeft-side components Bottom components Illustrated parts catalog Serial number locationComputer major components Illustrated parts catalogItem Description Spare part number KeyboardsPower connector cable Description Spare part numberCaps lock LED board includes cable SpeakersRTC battery Cell, 2.20-Ah, 47-Wh Li-ion batteryWlan modules Broadcom 802.11a/b/g Wlan modules Intel 802.11a/b/g Wlan modulesAtheros AR2425 802.11b/g Wlan module Broadcom 802.11b/g Wlan module for use in ThailandMemory modules Computer major components Display bezels Display assembly componentsCamera module Display Screw Kit not illustrated Camera module cableLCD logo kit Plastics Kit Item Description Spare part number Plastics Kit 454937-001Mass storage devices Miscellaneous parts Screw Kit Sequential part number listing Spare part Description NumberSequential part number listing Transceivers and cables and microphone Board and cable Zimbabwe Models Removal and replacement procedures Preliminary replacement requirementsService considerations Tools requiredCables and connectors Grounding guidelines Electrostatic discharge damagePackaging and transporting guidelines Equipment guidelines Material Use Voltage protection levelUnknown user password Component replacement procedures Serial numberComputer feet Battery Hard drive Page Memory module Page Wlan module 802.11b/g Wlan module for use in ThailandDescription Spare part number Page Optical drive Page Keyboard For use Spare part numberPage Page 454940-001 Switch coverButton board and cable Page For use only with HP G7000 computer models Display assemblyFor use only with Compaq Presario C700 computer models Page Page Page Page Camera module Description Spare part number Camera module 462448-001Page Top cover Page Caps lock LED board Page USB board Page Fan Description Spare part number Fan 454944-001Page Speakers Description Spare part number Speakers 454946-001Page System board Page Page RTC battery Page Card reader board Description Spare part number Card reader board 454949-001Page Heat sink Page Processor Page Power connector cable Starting the Setup Utility Setup UtilityChanging the language of the Setup Utility Restoring default settings in the Setup Utility Navigating and selecting in the Setup UtilityDisplaying system information Using advanced Setup Utility features Closing the Setup UtilitySetup Utility menus Select To do thisSecurity menu Primary Hard Disk Self TestComputer specifications SpecificationsMetric Inch, WSXGA, BrightView display specifications Hard drive specifications 160-GB 120-GB 80-GBAccess time Transfer modeApplicable disc Read WriteSystem DMA specifications System memory map specificationsHardware DMA System function Size Memory address System functionSystem interrupt specifications Hardware IRQ System functionSystem I/O address specifications Address hex System function shipping configurationVGA Screw listing Phillips PM2.0×5.0 captive screw Color Quantity Length Thread Head diameter BlackPhillips PM3.0×3.0 screw Color Quantity Length Thread Head diameter SilverBlack Phillips PM2.0×3.0 screw Black Phillips PM2.0×4.0 screw Page Phillips PM2.5×9.0 screw Page Phillips PM2.5×4.0 screw Page Page Phillips PM2.5×7.0 screw Silver Phillips PM2.0×4.0 screw Phillips PM2.5×6.0 captive screw Recovering system information Backup and recoveryBacking up your information Using system restore points Backup suggestionsPage Creating recovery discs Restore to a previous date and timePerforming a recovery Recovering from the recovery discsConnector pin assignments Pin SignalAudio-out headphone Audio-in microphoneExternal monitor RJ-11 modem RJ-45 networkVideo-out Universal Serial BusPower cord set requirements Requirements for all countries or regionsRequirements for specific countries or regions Country/region Accredited agency Applicable note numberRecycling BatteryDisplay Page Page Page Page Page Index Location Light components Pin assignments 115 Index Universal Serial Bus USB System Configuration menu Spare part number
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C758LA, C731XX, C707LA, C768LA, C730T specifications

HP has long been recognized as a pioneer in the realm of technological innovation, and the various models within the HP series, including the C768TU, C760T, C735TU, C776TU, and C777CL, exemplify this legacy. Each of these laptops offers a unique blend of features and technologies, tailored to meet the diverse needs of users, whether they are students, professionals, or casual users.

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