HP G72-100 - Notebook PC Maintenance And Service Manual
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HP G72-100 - Notebook PC Maintenance And Service Manual

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HP G72 Notebook PC

Maintenance and Service Guide

Document Part Number: 597891-001
May 2010
This guide is a troubleshooting reference used for maintaining and servicing the computer. It provides
comprehensive information on identifying computer features, components, and spare parts; and performing
computer disassembly procedures.

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Summary of Contents for HP G72-100 - Notebook PC

  • Page 1: Maintenance And Service Guide

    HP G72 Notebook PC Maintenance and Service Guide Document Part Number: 597891-001 May 2010 This guide is a troubleshooting reference used for maintaining and servicing the computer. It provides comprehensive information on identifying computer features, components, and spare parts; and performing computer disassembly procedures.
  • Page 3 ATI and ATI Mobility Radeon are trademarks of Advanced Micro Devices, Inc. Bluetooth is a trademark owned by its proprietor and used by Hewlett-Packard Company under license. Intel, Centrino, and Core are trademarks of Intel Corporation in the U.S. and other countries.
  • Page 4 Safety warning notice WARNING: To reduce the possibility of heat-related injuries or of overheating the computer, do not place the computer directly Å on your lap or obstruct the computer air vents. Use the computer only on a hard, flat surface. Do not allow another hard surface, such as an adjoining optional printer, or a soft surface, such as pillows or rugs or clothing, to block airflow.

  • Page 5: Table Of Contents

    Contents 1 Product description 2 External component identification Top components ..............2–1 TouchPad .
  • Page 6 Contents Display assembly ..............4–27 USB board.
  • Page 7 Contents 9 Power cord set requirements Requirements for all countries and regions ..........10–1 Requirements for specific countries and regions .
  • Page 8 Contents Maintenance and Service Guide...

  • Page 9: Product Description

    Product description HP G72 HP G72 Category Description Discrete Product name HP G72 Notebook PC Processors Intel® Core™ i7-620M Processor (4M cache, 2.26 GHz, SC turbo up to 3.33 GHz) Intel Core i5-540M Processor (3M cache, 2.53 GHz, SC turbo up to 3.06 GHz) Intel Core i5-520M Processor (3M cache, 2.4 GHz, SC turbo up to 2.93 GHz) Intel Core i5-430M Processor (3M cache, 2.26 GHz, SC turbo up to 2.53 GHz) Intel Core i3-350M Processor (3M cache, 2.26 GHz)
  • Page 10 Product description HP G72 HP G72 Category Description Discrete DVD±RW and CD-RW SuperMulti Double-Layer Combo Drive with LightScribe Blu-ray ROM with LightScribe DVD±R/RW SuperMulti Double-Layer Drive Webcam VGA camera, fixed angle with activity light and single analog microphone (select models only) Microphone Integrated single analog microphone (for models with no webcam) Audio...
  • Page 11 Product description HP G72 HP G72 Category Description Discrete Taps enabled as default Power requirements 65-W AC adapter with localized cable plug support 90-W AC adapter with localized cable plug support 6-cell, Li-ion 2.20-Ah, 47-Wh battery 6-cell, Li-ion 2.55-Ah, 55-Wh battery Security Kensington Security Lock Operating system...
  • Page 12 Product description 1–4 Maintenance and Service Guide...

  • Page 13: External Component Identification

    External component identification Top components TouchPad Item Component Function ■ When the TouchPad zone is active, the light is off. TouchPad off indicator ■ When the TouchPad zone is inactive, the light is amber. ■ To switch between active and inactive, quickly double-tap the TouchPad off indictor.

  • Page 14: Lights

    External component identification Lights ✎ Your computer might look slightly different from the illustration in this section. Item Component Description ■ Off TouchPad light TouchPad is enabled. ■ Amber TouchPad is disabled. To switch the TouchPad on and off, quickly double-tap the TouchPad light.

  • Page 15: Buttons

    External component identification Buttons Item Component Description ■ When the computer is off, press the button to turn on the Power button* computer. ■ When the computer is on, press the button briefly to initiate Sleep. ■ When the computer is in the Sleep state, press the button briefly to exit Sleep.

  • Page 16: Keys

    External component identification Keys ✎ Your computer might look slightly different from the illustration in this section. Item Component Description Displays system information when pressed in combination with key. fn key Displays system information when pressed in combination with the esc key. Windows logo key Displays the Windows Start menu.

  • Page 17: Left-Side Components

    External component identification Left-side components ✎ Your computer might look slightly different from the illustration in this section. Item Component Function External monitor port Connects an external VGA monitor or projector. Vent Enables airflow to cool internal components. ✎ The computer fan starts up automatically to cool internal components and prevent overheating.

  • Page 18: Right-Side Components

    External component identification Right-side components ✎ Your computer might look slightly different from the illustration in this section. Item Component Function Optical drive Reads optical discs and, on select models, also writes to optical discs. Optical drive light on release button Blinking: The optical drive is being accessed.

  • Page 19: Bottom Components

    External component identification Bottom components Item Component Function Battery bay Holds the battery. Vents (4) Enable airflow to cool internal components. ✎ The computer fan starts up automatically to cool internal components and prevent overheating. It is normal for the internal fan to cycle on and off during routine operation.

  • Page 20: Display Components

    External component identification Display components Item Component Description Internal microphone Records sound. Webcam (select models only) Records video and captures still photographs. Webcam light (select models only) The webcam is in use. 2–8 Maintenance and Service Guide...

  • Page 21: Wireless Antennas

    External component identification Wireless antennas The computer model has 2 antennas that send and receive signals from one or more wireless devices. These 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, see the section of the Regulatory, Safety and Environmental Notices that applies to your country or region.

  • Page 22: Additional Hardware Components

    External component identification Additional hardware components Item Component Description Power cord* Connects an AC adapter to an AC outlet. AC adapter Converts AC power to DC power. Battery Powers the computer when the computer is not plugged into external power. *Power cords vary in appearance by country or region.

  • Page 23: Illustrated Parts Catalog

    Illustrated parts catalog Service tag When ordering parts or requesting information, provide the computer serial number and model number located on the service tag. Component Description Product name The name affixed to the front of the computer. Serial number (s/n) An alphanumeric identifier that is unique to each product.

  • Page 24: Computer Major Components

    Illustrated parts catalog Computer major components 3–2 Maintenance and Service Guide...
  • Page 25 Illustrated parts catalog Item Description Spare part number 43.9-cm (17.3-in) High Definition (HD), light-emitting diode (LED) BrightView display assembly for use in: Display 599078-001 Display with webcam 599079-001 Keyboard (includes keyboard cable) for use in: Belgium 600715-A41 French Canada 600715-121 France 600715-051 Germany...
  • Page 26 Illustrated parts catalog Item Description Spare part number Wireless (WLAN) module Atheros AR9285 802.11b/g/n 1x1 WiFi Adapter for use in Canada, the Cayman Islands, 580101-001 Guam, Puerto Rico, the United States, and the U.S. Virgin Islands Atheros AR9285 802.11b/g/n 1x1 WiFi Adapter for use in Afghanistan, Albania, Algeria, 518436-002 Andorra, Angola, Antigua and Barbuda, Argentina, Armenia, Australia, Austria, Azerbaijan, Bahamas, Bahrain, Barbados, Belgium, Belize, Benin, Bhutan, Bosnia and Herzegovina,...
  • Page 27 Illustrated parts catalog Item Description Spare part number Broadcom 4312G 802.11b/g WiFi Adapter for use in Afghanistan, Albania, Algeria, Andorra, 582562-002 Angola, Antigua and Barbuda, Argentina, Armenia, Aruba, Australia, Austria, Azerbaijan, the Bahamas, Bahrain, Bangladesh, Barbados, Belarus, Belgium, Belize, Benin, Bermuda, Bhutan, Bolivia, Bosnia and Herzegovina, Botswana, Brazil, the British Virgin Islands, Brunei, Bulgaria, Burkina Faso, Burundi, Cameroon, Cape Verde, the Central African Republic, Chad, Chile, Colombia, Comoros, the Congo, Costa Rica, Croatia, Cyprus, the...
  • Page 28 Illustrated parts catalog Item Description Spare part number DVD±RW and CD-RW SuperMulti Double-Layer Combo Drive with LightScribe 602542-001 Blu-ray ROM with LightScribe DVD±R/RW SuperMulti Double-Layer Drive 602543-001 Optical drive cable included in Cable Kit (see “Cable Kit” on page 3-11 for spare part 600853-001 component information)

  • Page 29: Display Assembly Components

    Illustrated parts catalog Display assembly components Maintenance and Service Guide 3–7...
  • Page 30 Illustrated parts catalog Item Description Spare part number Display bezel With webcam and microphone modules 599086-001 With microphone module only 599085-001 Webcam board 600166-001 High-definition BrightView display panel (includes display panel and backlight cables) 599080-001 Display hinges 600711-001 LCD cable kit (not illustrated, includes LCD cable and webcam cable) 599087-001 Display hinge covers 600650-001...

  • Page 31: Plastics Kit

    Illustrated parts catalog Plastics Kit Item Description Spare part number Plastics Kit: 595200-001 Hard drive cover Memory module compartment cover Maintenance and Service Guide 3–9...

  • Page 32: Mass Storage Devices

    Illustrated parts catalog Mass storage devices Item Description Spare part number Hard drive (includes Hard Drive Hardware Kit) 500 GB, 7200 rpm 603784-001 320 GB, 7200 rpm 603783-001 250 GB, 7200 rpm 605606-001 Hard Drive Hardware Kit (not illustrated, includes bracket and screws) 609493-001 Optical drive (includes bezel and bracket) DVD±RW and CD-RW SuperMulti Double-Layer Combo Drive with LightScribe...

  • Page 33: Miscellaneous Parts

    Illustrated parts catalog Miscellaneous parts Description Spare part number AC adapter: 65-W AC adapter 463958-001 90-W AC adapter 463955-001 Cable Kit 600853-001 Hard drive connector cable Optical drive connector cable Power button cable RJ-11 cable TouchPad button board cable TouchPad cable USB cable Power cord for use in: Denmark...

  • Page 34: Sequential Part Number Listing

    Illustrated parts catalog Sequential part number listing Spare part number Description number 463955-001 90-W AC adapter 463958-001 65-W AC adapter 490371-001 Power cord for use in North America 490371-021 Power cord for use in Europe 490371-031 Power cord for use in the United Kingdom and Singapore 490371-061 Power cord for use in Italy 490371-081...
  • Page 35 Illustrated parts catalog Spare part number Description number 582562-002 Broadcom 4312G 802.11b/g WiFi Adapter for use in Afghanistan, Albania, Algeria, Andorra, Angola, Antigua and Barbuda, Argentina, Armenia, Aruba, Australia, Austria, Azerbaijan, the Bahamas, Bahrain, Bangladesh, Barbados, Belarus, Belgium, Belize, Benin, Bermuda, Bhutan, Bolivia, Bosnia and Herzegovina, Botswana, Brazil, the British Virgin Islands, Brunei, Bulgaria, Burkina Faso, Burundi, Cameroon, Cape Verde, the Central African Republic, Chad, Chile, Colombia, Comoros, the Congo, Costa Rica, Croatia, Cyprus, the Czech Republic, Denmark, Djibouti, Dominica, the Dominican...
  • Page 36 Illustrated parts catalog Spare part number Description number 595184-001 HM55 HDMI UMA system board 595198-001 Display rubber kit 595200-001 Plastics kit 595203-001 TouchPad button board 595832-001 Fan/heat sink assembly for use with UMA systems (includes replacement thermal material) 595833-001 Fan/heat sink assembly for use with discrete systems (includes replacement thermal material) 597622-001 Intel Core i3-330M Processor (3M cache, 2.13 GHz) 597623-001...
  • Page 37 Illustrated parts catalog Spare part number Description number 600715-B31 Keyboard for international use (includes keyboard cable) 600715-BG1 Keyboard for use in Switzerland (includes keyboard cable) 600715-DH1 Keyboard for use in Norway (includes keyboard cable) 600715-DJ1 Keyboard for use in Greece (includes keyboard cable) 600716-001 Top cover (includes TouchPad board) 600717-001...
  • Page 38 Illustrated parts catalog 3–16 Maintenance and Service Guide...

  • Page 39: Removal And Replacement Procedures

    Removal and replacement procedures Preliminary replacement requirements Tools required Use the following tools to complete the removal and replacement procedures: ■ Flat-bladed screwdriver ■ Magnetic screwdriver ■ Phillips P0 and P1 screwdrivers Service considerations Before disassembly or assembly procedures, review and adhere to all service considerations. ✎...

  • Page 40: Grounding Guidelines

    Removal and replacement procedures Drive handling Ä CAUTION: Drives are fragile components that must be handled with care. To prevent damage to the computer, damage to a drive, or loss of information, observe these precautions: ■ Before removing or inserting a hard drive, 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.

  • Page 41: Packaging And Transporting Guidelines

    Removal and replacement procedures The following table shows how humidity affects the electrostatic voltage levels generated by different activities. Ä CAUTION: A product can be degraded by as little as 700 V. Relative humidity Event Walking across carpet 35,000 V 15,000 V 7,500 V Walking across vinyl floor...

  • Page 42: Equipment Guidelines

    Removal and replacement procedures Equipment guidelines Grounding equipment must include either a wrist strap or a foot strap at a grounded workstation. ■ When seated, wear a wrist strap connected to a grounded system. Wrist straps are flexible straps with a minimum of one megohm ±10% resistance in the ground cords.

  • Page 43: Component Replacement Procedures

    Removal and replacement procedures Component replacement procedures This chapter provides removal and replacement procedures. There are as many as 64 screws, in 8 different sizes, that must be removed, replaced, or loosened when servicing the computer. Make special note of each screw size and location during removal and replacement. Service tag When ordering parts or requesting information, provide the computer serial number and model number located on the service tag.

  • Page 44: Computer Feet

    Removal and replacement procedures Computer feet The computer feet are adhesive-backed rubber pads. The feet are included in the Rubber Kit, spare part number 595198-001. There are 4 rubber feet that attach to the base enclosure in the locations illustrated below. 4–6 Maintenance and Service Guide...

  • Page 45: Battery

    Removal and replacement procedures Battery Description Spare part number 6 cell, Li-ion 2.20-Ah, 47-Wh battery 593553-001 6-cell Li-lon, 2.55 Ah, 55-Wh battery 593554-001 Before disassembling the computer: 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.

  • Page 46: Hard Drive

    Removal and replacement procedures Hard drive ✎ The hard drive spare part kit includes a hard drive bracket and hard drive connector. The hard drive bracket and hard drive connector, as well as the hard drive bracket screws, are also available in the Hard Drive Hardware Kit. Description Spare part number 500 GB, 7200 rpm...
  • Page 47 Removal and replacement procedures 3. Remove the three Phillips PM2.5×5.0 screws that secure the hard drive to the computer. 4. Grasp the tab on the hard drive cable connector 1, and lift up to disconnect the cable from the system board. 5.
  • Page 48 Removal and replacement procedures Reverse this procedure to reassemble and install the hard drive. 4–10 Maintenance and Service Guide...

  • Page 49: Memory Module

    Removal and replacement procedures Memory module Description Spare part number Memory module, 1 GB, 1066 MHz DDR3 598859-001 Memory module, 2 GB, 1066 MHz DDR3 598856-001 Before removing the memory module: 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.
  • Page 50 Removal and replacement procedures 3. Spread the retaining tabs 1 away from the memory module. (The edge of the module opposite the slot rises away from the computer.) 4. Remove the memory module 2 by pulling the module away from the slot at an angle. Memory modules are designed with a notch 3 to prevent incorrect insertion into the memory module slot.

  • Page 51: Wireless Module

    Removal and replacement procedures Wireless module Description Spare part number Atheros AR9285 802.11b/g/n 1x1 WiFi Adapter for use in Canada, the Cayman Islands, Guam, Puerto 580101-001 Rico, the United States, and the U.S. Virgin Islands AAtheros AR9285 802.11b/g/n 1x1 WiFi Adapter for use in Afghanistan, Albania, Algeria, Andorra, 518436-002 Angola, Antigua and Barbuda, Argentina, Armenia, Australia, Austria, Azerbaijan, Bahamas, Bahrain, Barbados, Belgium, Belize, Benin, Bhutan, Bosnia and Herzegovina, Botswana, Brazil, Brunei,...
  • Page 52 Removal and replacement procedures Description Spare part number Broadcom 4312G 802.11b/g WiFi Adapter for use in Canada, the Cayman Islands, Guam, Puerto 582562-001 Rico, the U.S. Virgin Islands, and the United States Broadcom 4312G 802.11b/g WiFi Adapter for use in Afghanistan, Albania, Algeria, Andorra, Angola, 582562-002 Antigua and Barbuda, Argentina, Armenia, Aruba, Australia, Austria, Azerbaijan, the Bahamas, Bahrain, Bangladesh, Barbados, Belarus, Belgium, Belize, Benin, Bermuda, Bhutan, Bolivia, Bosnia...
  • Page 53 Removal and replacement procedures Remove the wireless module: Ä CAUTION: To prevent an unresponsive system, replace the wireless module only with a wireless module authorized for use in the computer by the governmental agency that regulates wireless devices in your country or region. If you replace the module and then receive a warning message, remove the module to restore computer functionality, and then contact technical support through Help and Support.

  • Page 54: Optical Drive

    Removal and replacement procedures Optical drive ✎ The optical drive spare part kit includes an optical drive bezel and optical drive bracket. Description Spare part number DVD±RW and CD-RW SuperMulti Double-Layer Combo Drive with LightScribe 602542-001 Blu-ray ROM with LightScribe DVD±R/RW SuperMulti Double-Layer Drive 602543-001 Before removing the optical drive: 1.
  • Page 55 Removal and replacement procedures 5. To remove the optical drive bracket, position the optical drive with the rear toward you. 6. Remove the two Phillips PM2.0×3.5 screws 1 that secure the optical drive bracket to the optical drive. 7. Remove the optical drive bracket 2. Reverse this procedure to reassemble and install an optical drive.

  • Page 56: Keyboard

    Removal and replacement procedures Keyboard Description Spare part number For use in Belgium 600715-A41 For use in French Canada 600715-121 For use in France 600715-051 For use in Germany 600715-041 For use in Greece 600715-DJ1 For International use 600715-B31 For use in Italy 600715-061 For use in North America 600715-001...
  • Page 57 Removal and replacement procedures Remove the keyboard: 1. Turn the computer upside down, with the front toward you. 2. Remove the five Phillips PM2.5×5.0 screws that secure the keyboard to the computer. Four of these screws are identified by a keyboard icon embossed on the base enclosure. 3.
  • Page 58 Removal and replacement procedures 7. Release the zero insertion force (ZIF) connector 1 to which the keyboard cable is attached, and then disconnect the keyboard cable 2 from the system board. 8. Remove the keyboard. Reverse this procedure to install the keyboard. 4–20 Maintenance and Service Guide...

  • Page 59: Speakers

    Removal and replacement procedures Speakers Description Spare part number Speakers (2) 600848-001 Before removing the speakers: 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.
  • Page 60 Removal and replacement procedures 6. Use a thin flat-bladed screwdriver to pry up the front edge 3 of the speaker bar to a 45-degree angle, and then disengage it by pulling it free at that angle. Reverse this procedure to install the speakers. 4–22 Maintenance and Service Guide...

  • Page 61: Top Cover

    Removal and replacement procedures Top cover Description Spare part number Includes TouchPad board 600716-001 Before removing the top cover: 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.
  • Page 62 Removal and replacement procedures 5. Remove the Phillips PM2.5×6.5 screw that secures the top cover to the computer. This screw is identified by a triangle icon embossed on the top cover. 6. Release the speaker cable 1, power button ZIF connector 2, TouchPad ZIF connector 3, and TouchPad button ZIF connector 4.
  • Page 63 Removal and replacement procedures 7. Use a small flat-bladed screwdriver to pry along the edges of the top cover to release the top cover 1 from the base enclosure. 8. Remove the top cover 2. ✎ The TouchPad is glued to the top cover and is included with the top cover spare part. Reverse this procedure to install the top cover.

  • Page 64: Power Button Board

    Removal and replacement procedures Power button board Description Spare part number Power button board with cable 600718-001 Before removing the power button board: 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.

  • Page 65: Touchpad Button Board

    Removal and replacement procedures TouchPad button board Description Spare part number TouchPad button board 595203-001 Before removing the TouchPad button board: 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.

  • Page 66: Display Assembly

    Removal and replacement procedures Display assembly Description Spare part number 43.9-cm (17.3-in) High Definition (HD), light-emitting diode (LED) BrightView display assembly Display 599078-001 Display with webcam 599079-001 Before removing the display assembly: 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.
  • Page 67 Removal and replacement procedures To remove the display assembly: 1. Disconnect the display panel cable 1, and then disconnect the microphone cable 2 from the system board and remove the cable from its routing channel. 2. Pull the antenna cables through the opening in the base enclosure 3 and disengage the cables from the clip in the routing channel leading to the display hinge 4.
  • Page 68 Removal and replacement procedures CAUTION: Support the display assembly when removing the following screws. Failure to support the display assembly can Ä result in damage to the display assembly and other computer components. 4. Remove the four Phillips PM2.5×6.5 screws 1 securing the display hinges to the computer. 5.
  • Page 69 Removal and replacement procedures To remove the display bezel or any of the display assembly internal components: 1. Remove the following screw covers and screws: 1 Two Mylar screw covers on the display bezel bottom edge. The display Mylar screw covers are included in the Display Rubber Kit, spare part number 595198-001.
  • Page 70 Removal and replacement procedures 2. Flex the inside edges of the bezel at the top and bottom 1, and the left and right sides 2, until the bezel disengages from the display enclosure. 3. Remove the display bezel 3. Reverse this procedure to install the display bezel. 4–32 Maintenance and Service Guide...
  • Page 71 Removal and replacement procedures To remove the webcam module (select models only): 1. Lift the webcam module 1 as far from the display enclosure as the webcam module cable allows. 2. Disconnect the webcam module cable 2 from the webcam module, and remove the webcam module. The webcam module is available using spare part number 600166-001.
  • Page 72 Removal and replacement procedures To remove the display hinge covers: 1. Remove the two Phillips PM2.5×6.0 screws 1 that secure the hinges to the display enclosure. 2. Remove the display hinge covers 2. The display hinge covers are available using spare part number 600650-001.
  • Page 73 Removal and replacement procedures To remove the display panel: 1. Remove the eight Phillips PM2.5×6.0 screws 1 that secure the display panel to the display enclosure. 2. Release the display panel cable 2 from the routing channel. 3. Remove the display panel 3 from the display enclosure. Reverse this procedure to install the display panel.
  • Page 74 Removal and replacement procedures To remove the display panel brackets: 1. Remove the two Phillips PM2.0×3.0 screws 1 that secure each bracket to the display panel. 2. Remove the display panel brackets 2 from the display panel. The display panel brackets are available using spare part number 600711-001.
  • Page 75 Removal and replacement procedures To remove the wireless antenna transceivers: 1. Lift up on the silver transceiver 1 and release the adhesive material from the display cover 2. 2. Lift up to remove the antenna transceivers 3. The wireless antenna transceivers with cable are available with the LCD cable kit using spare part number 599087-001.
  • Page 76 Removal and replacement procedures To remove the microphone module: 1. Release the microphone from the clip 1 and release the microphone cable from the adhesive tabs 2. 2. Lift up to remove the microphone cable 3. The microphone module is available with the LCD cable kit using spare part number 599087-001.

  • Page 77: Usb Board

    Removal and replacement procedures To remove the webcam cable (select models only): 1. Disconnect the webcam cable 1 from the base enclosure. 2. Lift the foil tabs 2 that cover the cable, and then remove the cable 3. Reverse this procedure to install the webcam cable. USB board Description Spare part number...
  • Page 78 Removal and replacement procedures Reverse this procedure to install a USB board. 4–40 Maintenance and Service Guide...

  • Page 79: Power Connector

    Removal and replacement procedures Power connector Description Spare part number Power connector (includes cable) 600719-001 Before removing the power connector cable: 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.
  • Page 80 Removal and replacement procedures 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.

  • Page 81: Modem

    Removal and replacement procedures Modem Description Spare part number Modem module 510100-001 Before removing the modem: 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.

  • Page 82: System Board

    Removal and replacement procedures System board ✎ The system board spare part kit includes UMA or discrete graphics subsystem memory and replacement thermal material. Description Spare part number HM55 discrete system board 595181-001 HM55 UMA system board 595182-001 HM55 HDMI discrete system board 595183-001 HM55 HDMI UMA system board 595184-001...
  • Page 83 Removal and replacement procedures Remove the system board: 1. Disconnect the RJ-11 connector cable 1 from its mounting clip in the base enclosure. 2. Disconnect the optical drive connector cable 2 from the system board. 3. Disconnect the Bluetooth cable 3 from the system board. 4.

  • Page 84: Rtc Battery

    Removal and replacement procedures RTC battery Description Spare part number RTC battery 602745-001 Before removing the RTC battery: 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.

  • Page 85: Fan/Heat Sink Assembly

    Removal and replacement procedures Fan/heat sink assembly Description Spare part number Fan/heat sink assembly (includes replacement thermal material) for use only with computer models 595832-001 with UMA graphics subsystem memory Fan/heat sink assembly (includes replacement thermal material) for use only with computer models 595833-001 with discrete graphics subsystem memory Before removing the fan/heat sink assembly:...
  • Page 86 Removal and replacement procedures Remove the fan/heat sink assembly: ✎ Due to the adhesive quality of the thermal material located between the fan/heat sink assembly and system board components, you might need to move the fan/heat sink assembly from side to side to detach the assembly. CAUTION: To avoid damage to the processor, loosen the fan/heat sink assembly screws in the sequence indicated on the heat Ä...
  • Page 87 Removal and replacement procedures 3. Loosen the four Phillips spring-loaded captive screws 1 that secure the fan/heat sink assembly in the sequence shown on the heat sink. 4. Remove the fan/heat sink assembly 2 by lifting it straight up. Maintenance and Service Guide 4–49...
  • Page 88 Removal and replacement procedures ✎ Steps 5 through 8 apply only to computer models equipped with graphics subsystems having discrete memory. 5. Turn the system board right-side up, with the front toward you. 6. Disconnect the fan cable from the system board. 7.
  • Page 89 Removal and replacement procedures The following illustration shows the replacement thermal material locations for computer models graphics subsystems having UMA memory ✎ The thermal material must be thoroughly cleaned from the surfaces of the fan/heat sink assembly and the system board components each time the fan/heat sink assembly is removed.
  • Page 90 Removal and replacement procedures The following illustration shows the replacement thermal material locations for computer models equipped with graphics subsystems with discrete memory. ✎ The thermal material must be thoroughly cleaned from the surfaces of the fan/heat sink assembly and the system board components each time the fan/heat sink assembly is removed.

  • Page 91: Processor

    Removal and replacement procedures Processor ✎ The processor spare part kit includes replacement thermal material. Description Spare part number Intel Core i7-620M Processor (4M cache, 2.66 GHz, SC turbo up to 3.33 GHz) 587259-001 Intel Core i5-540M Processor (3M cache, 2.53 GHz, SC turbo up to 3.06 GHz) 594188-001 Intel Core i5-520M Processor (3M cache, 2.4 GHz, SC turbo up to 2.93 GHz) 594187-001...
  • Page 92 Removal and replacement procedures Remove the processor: 1. Use a flat-bladed screwdriver to turn the processor locking screw 1 one-half turn counterclockwise until you hear a click. 2. Lift the processor 2 straight up and remove it. ✎ When you install the processor, the gold triangle on the processor 3 must be aligned with the triangle embossed on the processor slot 4.

  • Page 93: Rj-1 1 Connector

    Removal and replacement procedures RJ-1 1 connector Description Spare part number RJ-11 connector included in Cable Kit 600853-001 Before removing the RJ-11 connector: 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.
  • Page 94 Removal and replacement procedures Remove the RJ-11 connector 1. Remove the cable from the clips 1, and then lift the connector straight up 2 and out of the computer. Reverse this procedure to install the RJ-11 connector. 4–56 Maintenance and Service Guide...

  • Page 95: Optical Drive Connector

    Removal and replacement procedures Optical drive connector Description Spare part number Optical drive connector and cable (included in Cable Kit) 600853-001 Before removing the optical drive connector: 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.
  • Page 96 Removal and replacement procedures Remove the optical drive connector: 1. Remove the two Phillips PM2.0×6.0 screws 1, and then lift the connector straight up 2 to remove it from the computer. Reverse this procedure to install the optical drive connector. 4–58 Maintenance and Service Guide...

  • Page 97: Setup Utility

    Setup Utility Starting Setup Utility Setup Utility is a ROM-based information and customization utility that can be used even when the Windows operating system is not working. CAUTION: Open Setup Utility by turning on or restarting the computer. While the Press the ESC key for Startup Menu message Ä...

  • Page 98: Navigating And Selecting In Setup Utility

    Setup Utility Navigating and selecting in Setup Utility Because Setup Utility is not Windows based, it does not support the TouchPad. Navigation and selection are by keystroke. ■ To choose a menu or a menu item, use the arrow keys. ■...

  • Page 99: Exiting Setup Utility

    Setup Utility Exiting Setup Utility You can exit Setup Utility with or without saving changes. ■ To exit Setup Utility and save the changes from the current session: If the Setup Utility menus are not visible, press the key to return to the menu display. Then use the arrow keys to select Exit >...

  • Page 100: System Configuration Menu

    Setup Utility System Configuration menu Select To do this Language Support Change Setup Utility language. Button Sound (select models only) Enable/disable the capacitive button tapping sound. Virtualization Technology (select models Enable/disable the processor Virtualization Technology. only) Processor C6 State (select models only) Enable/disable the processor C6 sleep state.

  • Page 101: Specifications

    Specifications Computer specifications Metric U.S. Dimensions Width 41.2 cm 16.2 in Depth 26.9 cm 10.5 in Height (front) 3.2 cm 1.3 in Height (rear) 3.8 cm 1.5 in Weight Equipped with 6-cell battery and optical drive 2.9 kg 6.6 Ibs Input power Operating voltage 18.5 V dc @ 3.5 A - 65 W or 19.0 V dc @ 4.74 A - 90 W...
  • Page 102 Specifications 43.9-cm (17.3-in) HD BrightView display specifications Metric U.S. Dimensions Height 23.3 cm 9.17 in Width 39.8 cm 15.6 in Diagonal 43.9 cm 17.3 in Number of colors Up to 16.8 million Contrast ratio 500:1 BV; 300:1 AG Brightness 200 nits typical Pixel resolution Pitch 0.259 x 0.259 mm...

  • Page 103: Hard Drive Specifications

    Specifications Hard drive specifications 500 GB* 320 GB* 250 GB* Dimensions Height 9.5 mm 9.5 mm 9.5 mm Width 70 mm 70 mm 70 mm Weight 115 g 115 g 115 g Interface type SATA SATA SATA Transfer rate 140 MB/sec 140 MB/sec 140 MB/sec Security...

  • Page 104: Dvd±Rw And Cd-Rw Supermulti Double-Layer Combo Drive With Lightscribe Specifications

    Specifications DVD±RW and CD-RW SuperMulti Double-Layer Combo Drive with LightScribe specifications Applicable disc Read: Write: CD-DA, CD+(E)G, CD-MIDI, CD-R and CD-RW CD-TEXT, CD-ROM, CD-ROM XA, MIXED MODE CD, CD-I, DVD+R, DVD+RW, DVD-R, CD-I Bridge (Photo-CD, Video DVD-RW, DVD-system memory CD), Multisession CD (Photo-CD, CD-EXTRA, Portfolio, CD-R, CD-RW), CD-R, CD-RW, DVD-ROM...

  • Page 105: Blu-Ray Rom With Lightscribe Dvd±R/Rw Supermulti Double-Layer Drive Specifications

    Specifications Blu-ray ROM with LightScribe DVD±R/RW SuperMulti Double-Layer Drive specifications Applicable disc Read: Write: BD-ROM, BD-ROM-DL, BD-R, DVD-system memory (Ver.2), BD-R-DL, BD-RE, BD-RE-DL, DVD+R, DVD-R, CD-R, and DVD-ROM, DVD+R, CD-RW DVD+R-DL, DVD+RW, DVD-R, DVD-R-DL, DVD-RW, DVD-system memory (Ver.2), CD-DA, CD-ROM (Mode 1 and mode 2), CD-ROM XA (Mode 2, form 1 and form 2), Photo CD (Single and multiple...
  • Page 106 Specifications 6–6 Maintenance and Service Guide...

  • Page 107: Backup And Recovery

    Backup and recovery Recovery after a system failure is as complete as your most current backup. HP recommends creating recovery discs immediately after software setup. As you add new software and data files, continue to back up your system on a regular basis to maintain a reasonably current backup.

  • Page 108: When To Back Up

    Backup and recovery ■ Number each disc before inserting it into the optical drive. ■ If necessary, exit the program before you have finished creating the recovery discs. The next time you open Recovery Manager, you are prompted to continue the disc creation process. To create a set of recovery discs: 1.

  • Page 109: Using System Restore Points

    Backup and recovery Using system restore points When backing up your system, you are creating a system restore point. A system restore point allows you to save and name a snapshot of your hard drive at a specific point in time. Recover back to that point if you want to reverse subsequent changes made to your system.

  • Page 110: Performing A Recovery

    Backup and recovery Performing a recovery ✎ You can recover only files that you have previously backed up. HP recommends using Recovery Manager to create an entire drive backup as soon as you set up the computer. Recovery Manager software allows you to repair or restore the system if you experience system failure or instability.

  • Page 111: Connector Pin Assignments

    Connector pin assignments Audio-in (microphone) Signal Audio signal in Audio signal in Ground Audio-out (headphone) Signal Audio out, left channel Audio out, right channel Ground Maintenance and Service Guide 8–1...

  • Page 112: External Monitor

    Connector pin assignments External monitor Signal Red analog Green analog Blue analog Not connected Ground Ground analog Ground analog Ground analog +5 VDC Ground Monitor detect DDC 2B data Horizontal sync Vertical sync DDC 2B clock 8–2 Maintenance and Service Guide...

  • Page 113: Hdmi

    Connector pin assignments HDMI Signal Transition minimized differential signal (TDMS) data 2+ Transition minimized differential signal (TDMS) data 2 shield Transition minimized differential signal (TDMS) data 2- Transition minimized differential signal (TDMS) data 1+ Transition minimized differential signal (TDMS) data 1 shield Transition minimized differential signal (TDMS) data 1 shield Transition minimized differential signal (TDMS) data 0+ Transition minimized differential signal (TDMS) data 0 shield...

  • Page 114: Modem)

    Connector pin assignments RJ-1 1 (modem) Signal Unused Ring Unused Unused Unused RJ-45 (network) Signal Transmit + Transmit - Receive + Unused Unused Receive - Unused Unused 8–4 Maintenance and Service Guide...

  • Page 115: Universal Serial Bus

    Connector pin assignments Universal Serial Bus Signal +5 VDC Data - Data + Ground Maintenance and Service Guide 8–5...
  • Page 116 Connector pin assignments 8–6 Maintenance and Service Guide...

  • Page 117: Power Cord Set Requirements

    Power cord set requirements The wide range input feature of the computer permits it to operate from any line voltage from 100 to 120 volts AC or from 220 to 240 volts AC. The 3-conductor power cord set included with the computer meets the requirements for use in the country or region where the equipment is purchased.

  • Page 118: Requirements For Specific Countries And Regions

    Power cord set requirements Requirements for specific countries and regions Country/region Accredited agency Applicable note number Australia EANSW Austria Belgium CEBC Canada Denmark DEMKO Finland FIMKO France Germany Italy Japan METI The Netherlands KEMA Norway NEMKO The People's Republic of China South Korea Sweden SEMKO...

  • Page 119: Recycling

    Recycling Battery When a battery has reached the end of its useful life, do not dispose of the battery in general household waste. Follow the local laws and regulations in your area for computer battery disposal. Display WARNING: The backlight contains mercury. Exercise caution when removing and handling the backlight to avoid damaging Å...
  • Page 120 Recycling Perform the following steps to disassemble the display assembly: 1. Remove all screw covers 1 and screws 2 that secure the display bezel to the display assembly. 2. Lift up and out on the left and right inside edges 1 and the top and bottom inside edges 2 of the display bezel until the bezel disengages from the display assembly.
  • Page 121 Recycling 4. Remove the two screws 1 that secure each hinge to the display enclosure and lift up to remove the display hinge covers 2. 5. Remove all screws 1 that secure the display panel assembly to the display enclosure. 6.
  • Page 122 Recycling 9. Use a sharp-edged tool to cut the tape 1 that secures the sides of the display panel to the display panel frame. 10. Remove the display panel frame 2 from the display panel. 11. Remove the screws 1 that secure the backlight cover to the display panel. 12.
  • Page 123 Recycling 16. Turn the display panel upside down. 17. Remove the backlight frame from the display panel. Å WARNING: The backlight contains mercury. Exercise caution when removing and handling the backlight to avoid damaging this component and causing exposure to the mercury. 18.
  • Page 124 Recycling 19. Disconnect the display cable 1 from the LCD panel. 20. Remove the screws 2 that secure the LCD panel to the display rear panel. 21. Release the LCD panel 3 from the display rear panel. 22. Release the tape 4 that secures the LCD panel to the display rear panel. 23.
  • Page 125 Index AC adapters cable lock, product description 1–3 product description 1–3 cables, service consideration 4–1 spare part numbers 3–11 chipset, product description 1–1 administrator password 5–3 components antenna antenna 2–9 disconnecting 4–14 bottom 2–7 location 2–9 4–14 left-side 2–5 audio, product description 1–2 right-side 2–6 audio-in jack top 2–1...
  • Page 126 Index external monitor port keys pin assignments 9–2 2–4 2–4 keys f11 recovery 8–4 LAN Power Saving 5–4 removal 4–47 language, changing in Setup Utility 5–1 spare part number 3–3 4–46 left-side components 2–5 feet lights locations 4–6 optical drive 2–6 spare part number 4–6 Main menu 5–3 graphics, product description 1–1...
  • Page 127 Index pin assignments audio-in 9–1 recovery methods audio-out 9–1 f11 recovery 8–4 HDMI 9–3 recovery discs 8–4 headphone 9–1 Recovery Manager 8–4 microphone 9–1 recovery partition 8–4 modem 9–4 removal/replacement monitor port 9–2 preliminaries 4–1 network 9–4 procedures 4–5 RJ-11 9–4 restore points 8–3 RJ-45 9–4 restoring factory settings 5–2...
  • Page 128 Index system board removal 4–44 spare part number 3–5 System Configuration menu 5–4 system information 5–2 5–3 system memory map 6–5 system recovery points 8–3 thermal material 4–47 thermal module removal 4–47 spare part number 4–46 tools required 4–1 top components 2–1 top cover spare part number 3–3 3–15...

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G72 series

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