HP CQ57-212NR, CQ57-229WM, CQ57-218NR, CQ57-214NR manual

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Remove the fan/heat sink assembly:

1.Disconnect the fan cable from the system board.

2.Turn the system board upside down, with the front toward you.

3.Loosen the captive screws (1) that secure the fan/heat sink assembly to the system board.

NOTE: The number of screws used to secure the fan/heat sink assembly to the system board varies by computer model.

NOTE: Due to the adhesive quality of the thermal material located between the heat sink and system board components, it may be necessary to move the heat sink from side to side to detach it.

4.Remove the fan and heat sink (2).

NOTE: The following illustration shows the fan/heat sink assembly removal process on a computer model equipped with an AMD processor.

74	Chapter 4 Removal and replacement procedures

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Contents Compaq Presario CQ57 Notebook PC First Edition March Document Part Number Safety warning notice Iv Safety warning notice Table of contents Specifications Power cord set requirements Viii Chipset Product descriptionProcessors NorthbridgeEquipped with an AMD processor Intel processor Switchable discrete graphics notCategory Description Computer models PanelAudio and video WirelessOptical drive select EthernetPorts PowerCard KeyboardServiceability End-user replaceable parts Operating system PreinstalledSecurity Component Description External component identificationDisplay HP HP MediaSmart HPButton ComponentKeys Fn keyLights TouchPad Left side Environmental NoticesRight side Bottom Service tag Illustrated parts catalogService technician determine what components Computer major components Power button board includes cable Component Spare part numberPower connector cable Plastics Kit, includesBattery Wlan moduleCable Kit Component Spare part number Cable Kit, includes 646119-001Display assembly subcomponents Mass storage devices Hard Drive Hardware Kit , includesComponent Spare part number HP Smart AC adapter Miscellaneous partsScrew Kit Plastics Kit Sequential part number listing Spare part number DescriptionHard drive bracket, or screws Sequential part number listing 646181-001 Service considerations Removal and replacement proceduresPreliminary replacement requirements Tools requiredGrounding guidelines Drive handlingPreliminary replacement requirements Packaging and transporting guidelines Equipment guidelines Material Use Voltage protection levelComponent replacement procedures Service tagComputer feet Battery Description Spare part numberOptical drive select models only Page Page Wlan module Page Memory module Hard drive Page Page Keyboard Page Page Top cover Page Page Page Power button board TouchPad button board Page USB board Power connector cable Page Speakers Optical drive connector cable Display assembly Page Page Page Page Page Page System board Page Page RTC battery Page Fan/heat sink assembly Page Component replacement procedures Page Page Page Processor Page Starting Setup Utility Setup Utility Bios and System DiagnosticsUsing Setup Utility Changing the language of Setup UtilityNavigating and selecting in Setup Utility Displaying system informationExiting Setup Utility Restoring factory settings in Setup UtilityUpdating the Bios Determining the Bios version Using System Diagnostics Specifications Computer specificationsInch display specifications Hard drive specifications Backup and recovery RestoreCreating restore media Performing a system restore Select Start All Programs Recovery Manager Recovery ManagerRestoring using the restore media Changing the computer boot orderBacking up and recovering your information Using Windows Backup and Restore Using Windows system restore pointsCreate a system restore point Power cord set requirements Requirements for all countriesRequirements for specific countries and regions Country/region Accredited agency Applicable note numberBattery RecyclingPage Page Page Page Page Index Hdmi Procedures

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