HP 4720S, 4520S manual Wireless antennas, Component

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Wireless antennas

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

Component

Description

(1)WWAN antennas (2)* (select models only)

Send and receive wireless signals to communicate with wireless wide-area networks (WWAN).

(2)

WLAN antennas (2)*

Send and receive wireless signals to communicate with wireless

 

 

local area networks (WLAN).

*The antennas are not visible from the outside of the computer. For optimal transmission, keep the areas immediately around the antennas free from obstructions.

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

18 Chapter 2 External component identification

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Contents HP ProBook 4520s Notebook PC HP ProBook 4720s 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 Computer Setup 122 Specifications 132 Recycling 157 Battery Display Index 163 Product description ProcessorsProduct description Memory Category Description HP ProBook 4520s UMA 4720s DiscreteHard drives Optical drives Diskette driveAudio/visual ModemCards External mediaPorts Power Operating system Preinstalled with Microsoft OfficeKeyboard Pointing devicesCategory Description HP ProBook 4520s UMA 4720s Discrete Restore media Web SupportPage TouchPad Top ComponentsComponent Description Lights Buttons, switches, and speakers select models only Keys Fn keyFront components Right-side components Left-side componentsBottom components Display Wireless antennas ComponentAdditional hardware components Service tag Illustrated parts catalogItem Description Computer major componentsFor use only with computers with 17.3-in displays Illustrated parts catalog Power button board Thermal shieldSpeakers Top coverDescription Bluetooth module Fan/heat sink assemblyBroadcom 4312G 802.11b/g WiFi adapters Broadcom 4322 AGN, 802.11a/b/g/n 593836-001 Intel Core processors Battery Modem moduleMemory module Base enclosure750-GB, 5400-rpm 598699-001 640-GB, 5400-rpm 617667-001 Description Spare part number Display bezel Display assembly componentsWebcam module Description Spare part number Display Hinge Kit Plastics KitLCD Cable Kit with webcam cable Cable Kits Description Spare part number Base Cable KitDescription Spare part number Misc LCD Cable Kit Display cable, HD+ 629030-001Mass storage devices Description Spare part numberMiscellaneous parts Item Description Spare part numberDescription Spare part number Screw Kit, includes 598672-001 Sequential part number listing Spare part Description NumberSequential part number listing Illustrated parts catalog 598670-001 Illustrated parts catalog Sequential part number listing Illustrated parts catalog Sequential part number listing 617667-001 640-GB, 5400-rpm hard drive Sequential part number listing Service considerations Preliminary replacement requirementsTools required Cables and connectors Grounding guidelines Electrostatic discharge damagePackaging and transporting guidelines Equipment guidelines Material Use Voltage protection levelComponent replacement procedures Service tagComputer feet Battery Switch cover and keyboard Page Page Page Memory module Optical drive Page Power button board Page Speakers Page Thermal shield Page Page Wlan module Intel Centrino Wireless-N1000 802.11 b/gBroadcom 4312 802.11b/g Wlan modules Intel Wi-Fi Link 1000, 802.11b/g/n Wlan module Adapter Component replacement procedures Page Page Wwan module Page Heat sink and fan Page Page Page Page Processor Description Spare part number Intel Core processorsIntel Pentium processors Intel Celeron processorPalm rest Description Spare part number Page Hard drive Page Display assembly on computers with 17.3-in displays Page Page Page Page Page Page Display assembly on computers with 15.6-in displays Description Spare part number Page Page Page Page Page Top cover Page Page Page RTC battery Description Spare part number RTC batteryPage Bluetooth module Modem module Page Audio board Page System board Page Page USB connector assembly Remove the thermal shield see Thermal shield on RJ-11 connector assembly Power connector assembly Page Starting Computer Setup Computer SetupUsing Computer Setup Restoring factory settings in Computer Setup Computer Setup menus Select To do thisIgnore Changes and Exit Security menu System Configuration menu Use of a USB keyboard in Computer Setup even Select Computer Setup Enable/disable the eSATA port select models only Computer specifications Display specifications 21.0 cm 35.98 cm39.1 cm Viewing angle @ CR10Hard drive specifications DVD-ROM Drive specifications Access timeApplicable disc Cache bufferDVD±RW Double-Layer Combo Drive specifications Transfer modeApplicable disc Read WriteApplicable disc Read Write CD-DA, CD+EG, CD-MIDI, CD-TEXT, CD-ROM, CD-ROM XAOverview Backup and recovery in WindowsBacking up your information Select Start All Programs Maintenance Backup and Restore Performing a recovery Using the Windows recovery toolsUsing f11 Using a Windows 7 operating system DVD purchased separatelyBackup and recovery in Windows Vista Performing a recovery Using the Windows recovery tools Follow the on-screen instructions Backup and recovery Backup and recovery in Windows XP Recovering your information Page Audio-in microphone Pin SignalAudio-out headphone External monitor Hdmi RJ-11 modem RJ-45 network Universal Serial BusPower cord set requirements Requirements for all countries and regionsRequirements for specific countries and regions Country/region Accredited agency Applicable note numberBattery RecyclingPage Page Page Page Page Index HP QuickLook light USB DVD
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