HP CQ42-255TX, CQ42-109TU, CQ42-103TU, CQ42-275TX, CQ42-276TU, CQ42-168TU manual Wireless antennas

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Wireless antennas

At least 2 antennas send and receive signals from one or more wireless devices. These antennas are not visible from the outside of the computer.

NOTE: For optimal transmission, keep the areas immediately around the antennas free from obstructions.

To see wireless regulatory notices, refer to the section of the Regulatory, Safety and Environmental Notices that applies to your country or region. These notices are located in Help and Support.

20 Chapter 2 External component identification

ENWW

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Contents

Compaq Presario CQ42 Notebook PC and HP G42 Notebook PC First Edition March Document Part Number MSG revision history Revision Publication date DescriptionIv MSG revision history Safety warning notice Vi Safety warning notice Table of contents Setup Utility 109 131 Product description Intel Celeron ChipsetGraphics Intel UMA Integrated/HD Graphics with Category Description HP G42 150-199 100-149 Intel UMA Integrated/GMA 4500M GL40Switchable Discrete Graphics 150-199 100-149 ATi Discrete PCI Express x GraphicsMemory Hard drives 35-cm 2.5-inDiskette drive OpticalDrives CameraModem WirelessLocal area network Wlan options by Way of wireless Module EthernetExternal Media cardPorts Serviceability End-user Replaceable parts PowerOperating Preinstalled System KeyboardEnww External component identification Identifying the hardwareTop components TouchPadComponent Description Lights Control Panel System and Security Power Options Button and speakersKeys Fn keyDisplay Right-side components Left-side components Bottom components Wireless antennas Additional hardware components Enww Illustrated parts catalog Serial number location35.6 cm 14-in, WXGA, BrightView display assembly Computer major componentsKeyboards Power button board includes cableDescription Spare part number Touchpad button board includes cableSpeaker assembly includes cable Broadcom 4312G 802.11b/g WiFi Adapter halogen free Wlan module Atheros AR9285 802.11 a/b/g/n 2x2 WiFi adapterIntel Centrino Wireless-N 1000 802.11b/g/n Description Spare part number Memory modulesBT3.0+HS ready for models 1.2 and 1.3 only Bluetooth module for models 1.0, 1.1 and 1.3 only BatteryEnww Display assembly components 592144-001Display back cover Webcam moduleDisplay rubber display kit not illustrated Plastics Kit Item Description Spare part number Plastics kit 600190-001Mass storage devices Item Description Spare part number Description Spare part number AC adapters Power cord, AC, 3 wire, black, 1.83-mMiscellaneous parts Rubber kitSequential part number listing Spare part Description NumberZimbabwe 600164-001 Display back cover, Presario, biscotti Enww HP, white for models 1.1 only HP, charcoal for models 1.2 and 1.3 only HP, velvet red for models 1.2 and 1.3 only Enww Service considerations Removal and replacement proceduresPreliminary replacement requirements Tools requiredCables and connectors Drive handlingTypical electrostatic voltage levels Grounding guidelinesElectrostatic discharge damage Event 10% 40% 55%Packaging and transporting guidelines Equipment guidelines Material Use Voltage protection levelComponent replacement procedures Serial numberComputer feet Description Spare part number Rubber Feet Kit 600184-001Battery Hard drive Enww Enww Optical drive Enww Wlan module Enww Enww Memory module Enww Keyboard Enww Top cover Enww Enww Speaker assembly Description Spare part number Speaker assembly 600189-001Power button board TouchPad button board Modem module Enww Bluetooth module USB board Power connector cable Display assembly Enww Enww Enww Enww Enww Enww System board Enww Enww Enww Optical drive Sata cable and connector Enww RTC battery Description Spare part number RTC battery 602745-001Enww Fan/heat sink assembly Subsystem memory includes thermal replacement materialEnww Enww Processor Enww Enww Starting Setup Utility Setup UtilityComputer Setup in Windows Using Setup UtilityNavigating and selecting in Setup Utility Displaying system informationRestoring default settings in Setup Utility Main menu Setup Utility menusExiting Setup Utility Security menuSystem Configuration menu Diagnostics menuPrimary Hard Disk Self Test Using Computer Setup Computer Setup in LinuxStarting Computer Setup Navigating and selecting in Computer SetupRestoring factory settings in Computer Setup Computer Setup menus File menuSecurity menu System Configuration menu Enww Enww Specifications Computer specifications35.6-cm14.0-in display specifications Hard drive specifications Applicable disc Random access timeTransfer mode Cache buffer Data transfer rateBD-ROM, BD-ROM-DL, BD-R, BD-R-DL, BD-RE, BD-RE-DL, DVD-ROM System resource specifications Select Start ComputerBackup and recovery WindowsCreating recovery discs Backing up your information Using Windows Backup and Restore Performing a recovery Using system restore pointsRecovering from the recovery discs Select Start All Programs Recovery Manager Recovery ManagerLinux backup and recovery Enww Audio-out headphone Connector pin assignmentsPin Signal Audio-in microphoneExternal monitor RJ-11 modem RJ-45 networkHdmi Universal Serial Bus Enww Power cord set requirements Requirements for all countries or regionsRequirements for specific countries or regions Country/region Accredited agency Applicable note numberBattery RecyclingDisplay Enww Display Enww Enww Enww Symbols/Numerics IndexInverter USB Enww

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