HP G72-100 HP G72 Notebook PC - Maintenance and Service Guide
HP G72-100 - Notebook PC Manual
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- HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 1
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 - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 2
- HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 3
to change without notice. The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP shall not be liable for technical or editorial errors - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 4
Safety warning notice Å WARNING: To reduce the possibility of heat-related injuries or of overheating the computer, do not place the computer directly 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 - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 5
Component replacement procedures 4-5 Service tag 4-5 Computer feet 4-6 Battery 4-7 Hard drive 4-8 Memory module 4-11 Wireless module 4-13 Optical drive 4-15 Keyboard 4-17 Speakers 4-20 Top cover 4-22 Power button board 4-25 TouchPad button board 4-26 Maintenance and Service Guide iv - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 6
models only 8-4 8 Connector pin assignments Audio-in (microphone 9-1 Audio-out (headphone 9-1 External monitor 9-2 HDMI 9-3 RJ-11 (modem 9-4 RJ-45 (network 9-4 Universal Serial Bus 9-5 v Maintenance and Service Guide - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 7
Contents 9 Power cord set requirements Requirements for all countries and regions 10-1 Requirements for specific countries and regions 10-2 10 Recycling Battery 11-1 Display 11-1 Index Maintenance and Service Guide vi - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 8
Contents vii Maintenance and Service Guide - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 9
drives Description HP G72 Notebook PC Intel® Core Supports dual-channel memory DDR3, 1333 MHz Supports up to 8 GB of system memory Supports HP G72 UMA X X X X X X X X X X X X X X X X X X X X X X X X X X HP G72 Discrete X X X X X X X X X X X X X X X X X X X X X X X X Maintenance and Service Guide - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 10
Ports Keyboard and Supports 2-way scroll with legend HP G72 UMA X X X HP G72 Discrete X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X 1-2 Maintenance and Service Guide - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 11
64-bit Serviceability End-user replaceable parts: AC adapter Battery (system) Hard drive Memory module Optical drive Mini Card components Product description HP G72 UMA X X X X X HP G72 Discrete X X X X X X X X X X X X X X X X X X X X X Maintenance and Service Guide 1-3 - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 12
Product description 1-4 Maintenance and Service Guide - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 13
. To view or change the pointing device preferences: 1. Select Start > Devices and Printers. 2. Right-click the device representing the computer. 3. Select Mouse settings. Maintenance and Service Guide 2-1 - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 14
: All wireless devices are off. ■ On: The numeric function of the keypad is enabled. ■ Off: The navigation function of the keypad is enabled. 2-2 Maintenance and Service Guide - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 15
Start > Control Panel > System and Security > Power Options. 2 Speakers (2) Produce sound. *This table describes factory settings. For information about changing factory settings, see the user guides located in Help and Support. Maintenance and Service Guide 2-3 - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 16
a shortcut menu for items beneath the pointer. Can be used like the keys on an external numeric keypad. Execute frequently-used system actions. 2-4 Maintenance and Service Guide - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 17
microphone, or monaural microphone. Produces sound when connected to optional powered stereo speakers, headphones, earbuds, a headset, or television audio. Supports the following optional digital card formats: ■ Memory Stick (MS) ■ Memory Stick Pro (MSP) ■ MultiMediaCard (MMC) ■ Secure Digital (SD - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 18
the computer. ✎ The security cable is designed to act as a deterrent, but it might not prevent the computer from being mishandled or stolen. 2-6 Maintenance and Service Guide - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 19
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. Maintenance and Service Guide 2-7 - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 20
External component identification Display components Item Component 1 Internal microphone 2 Webcam (select models only) 3 Webcam light (select models only) Description Records sound. Records video and captures still photographs. On: The webcam is in use. 2-8 Maintenance and Service Guide - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 21
notices, see the section of the Regulatory, Safety and Environmental Notices that applies to your country or region. These notices are located in Help and Support. Maintenance and Service Guide 2-9 - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 22
to an AC outlet. Converts AC power to DC power. Powers the computer when the computer is not plugged into external power. 2-10 Maintenance and Service Guide - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 23
's hardware components. The part number helps a service technician to determine what components and parts are needed. The duration of the warranty period for the computer. An alphanumeric identifier used to locate documents, drivers, and support for the computer. Maintenance and Service Guide 3-1 - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 24
Illustrated parts catalog Computer major components 3-2 Maintenance and Service Guide - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 25
-emitting diode (LED) BrightView display assembly for use in: Display Display with webcam Keyboard (includes keyboard cable) for use in: Belgium French Canada France Germany Greece International Italy North America 001 597622-001 602745-001 598859-001 598856-001 Maintenance and Service Guide 3-3 - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 26
Vietnam, Yemen, Zambia, and Zimbabwe 518436-002 Intel Centrino Wireless-N 1000 802.11b/g/n 1x2 WLAN module for use in Afghanistan, Albania, Vietnam, Yemen, Zaire, Zambia, and Zimbabwe 593530-001 Intel Centrino Wireless-N 1000 802.11b/g/n 1x2 WLAN module for use in Pakistan, Russia, 593531-001 - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 27
, 2.20 Ah, 47 Wh 593553-001 6-cell Li-lon, 2.55 Ah, 55 Wh 593554-001 Optical drive (includes optical drive bezel and bracket) Maintenance and Service Guide 3-5 - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 28
compartment cover Spare part number 602542-001 602543-001 600853-001 537921-001 602538-001 599088-001 599089-001 600849-001 595200-001 3-6 Maintenance and Service Guide - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 29
Display assembly components Illustrated parts catalog Maintenance and Service Guide 3-7 - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 30
-001 599085-001 600166-001 599080-001 600711-001 599087-001 600650-001 600713-001 600714-001 599082-001 595198-001 600712-001 3-8 Maintenance and Service Guide - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 31
Plastics Kit Illustrated parts catalog Item Description Plastics Kit: 1 Hard drive cover 2 Memory module compartment cover Spare part number 595200-001 Maintenance and Service Guide 3-9 - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 32
LightScribe DVD±R/RW SuperMulti Double-Layer Drive Spare part number 603784-001 603783-001 605606-001 609493-001 602542-001 602543-001 3-10 Maintenance and Service Guide - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 33
-001 463955-001 600853-001 490371-081 490371-021 490371-061 430971-001 490371-AR1 490371-111 490371-031 600850-001 600712-001 Maintenance and Service Guide 3-11 - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 34
4312G 802.11b/g WiFi Adapter for use in Canada, the Cayman Islands, Guam, Puerto Rico, the U.S. Virgin Islands, and the United States 3-12 Maintenance and Service Guide - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 35
Processor (4M cache, 2.66 GHz, SC turbo up to 3.33 GHz) 593530-001 Intel Centrino Wireless-N 1000 802.11b/g/n 1x2 WLAN module for use in Afghanistan, Albania, Algeria, Andorra, Angola, Antigua and Barbuda system board 595183-001 HM55 HDMI discrete system board Maintenance and Service Guide 3-13 - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 36
Keyboard for use in Turkey (includes keyboard cable) 600715-171 Keyboard for use in Saudi Arabia s (includes keyboard cable) 600715-251 Keyboard for use in Russia (includes keyboard cable) 600715-A41 Keyboard for use in Belgium (includes keyboard cable) 3-14 Maintenance and Service Guide - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 37
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 and screws) Maintenance and Service Guide 3-15 - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 38
Illustrated parts catalog 3-16 Maintenance and Service Guide - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 39
plastic parts. Apply pressure only at the points designated in the maintenance instructions. Cables and connectors Ä CAUTION: When servicing the computer, be sure that cables are placed in their proper flex cables with extreme care; these cables tear easily. Maintenance and Service Guide 4-1 - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 40
touching pins, leads, and circuitry. Handle electronic components as little as possible. ■ If you remove a component, place it in an electrostatic-safe container. 4-2 Maintenance and Service Guide - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 41
grounded work surface and use properly grounded tools and equipment. ■ Use conductive field service tools, such as cutters, screwdrivers, and vacuums. ■ When fixtures must directly power and input signals before inserting or removing connectors or test equipment. Maintenance and Service Guide 4-3 - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 42
resistance ■ Static-dissipative tables or floor mats with hard ties to the ground ■ Field service kits ■ Static awareness labels ■ Material-handling packages ■ Nonconductive plastic bags, tubes, or mats Floor mats Voltage protection level 1,500 V 7,500 V 5,000 V 4-4 Maintenance and Service Guide - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 43
's hardware components. The part number helps a service technician to determine what components and parts are needed. The duration of the warranty period for the computer. An alphanumeric identifier used to locate documents, drivers, and support for the computer. Maintenance and Service Guide 4-5 - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 44
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 - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 45
battery bay and pivot the front edge downward until the battery is seated. The battery release latch automatically locks the battery into place. Maintenance and Service Guide 4-7 - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 46
hard drive cover 2 up, and remove the cover 3. The hard drive cover is included in the Plastics Kit, spare part number 595200-001. 4-8 Maintenance and Service Guide - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 47
side of the hard drive. 8. Grasp the 2 attached Mylar tabs and pull the bracket 2 straight up to remove it from the hard drive. Maintenance and Service Guide 4-9 - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 48
Removal and replacement procedures Reverse this procedure to reassemble and install the hard drive. 4-10 Maintenance and Service Guide - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 49
avoid breaking the tabs on the cover. The memory module compartment cover is included in the Plastics Kit, spare part number 595200-001. Maintenance and Service Guide 4-11 - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 50
. Memory modules are designed with a notch 3 to prevent incorrect insertion into the memory module slot. Reverse this procedure to install a memory module. 4-12 Maintenance and Service Guide - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 51
Kingdom, Uruguay, the U.S. Virgin Islands, the United States, Uzbekistan, Vanuatu, Venezuela, Vietnam, Yemen, Zaire, Zambia, and Zimbabwe 593530-001 Intel Centrino Wireless-N 1000 802.11b/g/n 1x2 WLAN module for use in Pakistan, Russia, and Ukraine 593531-001 Maintenance and Service Guide 4-13 - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 52
power cord from the AC outlet and then disconnecting the AC adapter from the computer. 4. Remove the battery (see "Battery" on page 4-7). 4-14 Maintenance and Service Guide - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 53
message, remove the module to restore computer functionality, and then contact technical support through Help and Support. 1. Disconnect the main antenna cable 1 and the auxiliary antenna cable 2 insertion. Reverse this procedure to install the wireless module. Maintenance and Service Guide 4-15 - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 54
the computer upside down with the right side toward you. 2. Remove the Phillips PM2.5×6.5 screw 1 identified by the icons for optical disk and keyboard that are embossed on the base enclosure. 3. Insert a paperclip into the tray release access 2. (The disc tray is partially ejected from the optical - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 55
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. Maintenance and Service Guide 4-17 - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 56
-DH1 600715-131 600715-251 600715-171 600715-071 600715-BG1 600715-141 600715-031 Before removing the keyboard: 1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation the optical drive screw (see "Optical drive" on page 4-16). 4-18 Maintenance and Service Guide - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 57
the front toward you. 4. Open the computer as far as possible. 5. Release the tabs along the left 1 and right 2 edges of the keyboard using a thin flat-bladed screwdriver. 6. Lift the rear edge of the keyboard 3, and set the keyboard back towards the display 4. Maintenance and Service Guide 4-19 - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 58
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 - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 59
page 4-13). 8. Remove the optical drive (see "Optical drive" on page 4-16). 9. Remove the keyboard (see "Keyboard" on page 4-18). Remove the speakers: 1. Turn the computer upside down with the rear of the . 5. Disconnect the speaker cable 2 from the system board. Maintenance and Service Guide 4-21 - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - 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 - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 61
page 4-13). 8. Remove the optical drive (see "Optical drive" on page 4-16). 9. Remove the keyboard (see "Keyboard" on page 4-18). 10. Remove the speakers (see "Speakers" on page 4-21). Remove the top cover toward you. 4. Open the computer as far as possible. Maintenance and Service Guide 4-23 - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 62
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. 4-24 Maintenance and Service Guide - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 63
is glued to the top cover and is included with the top cover spare part. Reverse this procedure to install the top cover. Maintenance and Service Guide 4-25 - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 64
module" on page 4-13). 8. Remove the optical drive (see "Optical drive" on page 4-16). 9. Remove the keyboard (see "Keyboard" on page 4-18). 10. Remove the speakers (see "Speakers" on page 4-21). 11. Remove the top procedure to install the power button board. 4-26 Maintenance and Service Guide - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 65
module" on page 4-13). 8. Remove the optical drive (see "Optical drive" on page 4-16). 9. Remove the keyboard (see "Keyboard" on page 4-18). 10. Remove the speakers (see "Speakers" on page 4-21). 11. Remove the top procedure to install the TouchPad button board. Maintenance and Service Guide 4-27 - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 66
11). 7. Remove the wireless module (see "Wireless module" on page 4-13). 8. Remove the optical drive (see "Optical drive" on page 4-16). 9. Remove the keyboard (see "Keyboard" on page 4-18). 10. Remove the speakers (see "Speakers" on page 4-21). 11. Remove the top cover (see "Top cover" on page 4-23 - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 67
display hinge 4. 3. Disconnect the webcam cable 5 from the system board and release it from the clips that attach it to the system board. Maintenance and Service Guide 4-29 - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 68
display assembly when removing the following screws. Failure to support the display assembly can result in damage to the display assembly and other computer components. 4. Remove 2 straight up to remove it. Reverse this procedure to install the display assembly. 4-30 Maintenance and Service Guide - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 69
covers are included in the Display Rubber Kit, spare part number 595198-001. 2 Two Phillips PM2.5×7.0 screws on the display bezel bottom edge. Maintenance and Service Guide 4-31 - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 70
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 - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 71
remove the webcam module. The webcam module is available using spare part number 600166-001. Reverse this procedure to install the webcam module. Maintenance and Service Guide 4-33 - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 72
covers 2. The display hinge covers are available using spare part number 600650-001. Reverse this procedure to install the display hinge covers. 4-34 Maintenance and Service Guide - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 73
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. Maintenance and Service Guide 4-35 - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 74
panel. The display panel brackets are available using spare part number 600711-001. Reverse this procedure to install the display panel brackets. 4-36 Maintenance and Service Guide - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 75
are available with the LCD cable kit using spare part number 599087-001. Reverse this procedure to install the display wireless antenna transceivers. Maintenance and Service Guide 4-37 - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 76
module is available with the LCD cable kit using spare part number 599087-001. Reverse this procedure to install the microphone module. 4-38 Maintenance and Service Guide - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 77
" on page 4-13). 8. Remove the optical drive (see "Optical drive" on page 4-16). 9. Remove the keyboard (see "Keyboard" on page 4-18). 10. Remove the top cover (see "Top cover" on page 4-23). 11. Remove the with the cable kit using spare part number 600853-001. Maintenance and Service Guide 4-39 - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 78
Removal and replacement procedures Reverse this procedure to install a USB board. 4-40 Maintenance and Service Guide - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 79
page 4-13). 8. Remove the optical drive (see "Optical drive" on page 4-16). 9. Remove the keyboard (see "Keyboard" on page 4-18). 10. Remove the top cover (see "Top cover" on page 4-23). 11 removing the Bluetooth module: Maintenance and Service Guide Spare part number 537921-001 602538-001 4-41 - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 80
on page 4-13). 8. Remove the optical drive (see "Optical drive" on page 4-16). 9. Remove the keyboard (see "Keyboard" on page 4-18). 10. Remove the top cover (see "Top cover" on page 4-23). 11. module 2. Reverse this procedure to install the Bluetooth module. 4-42 Maintenance and Service Guide - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 81
on page 4-13). 8. Remove the optical drive (see "Optical drive" on page 4-16). 9. Remove the keyboard (see "Keyboard" on page 4-18). 10. Remove the top cover (see "Top cover" on page 4-23). 11. Remove the computer 2. Reverse this procedure to install the modem. Maintenance and Service Guide 4-43 - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 82
on page 4-13). 8. Remove the optical drive (see "Optical drive" on page 4-16). 9. Remove the keyboard (see "Keyboard" on page 4-18). 10. Remove the top cover (see "Top cover" on page 4-23). 11. Remove " on page 4-47) ■ Processor (see "Processor" on page 4-53) 4-44 Maintenance and Service Guide - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 83
up to a 45-degree angle. 8. Pull it away from the base enclosure 3 at that angle. Reverse this procedure to install the system board. Maintenance and Service Guide 4-45 - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 84
" on page 4-13). 8. Remove the optical drive (see "Optical drive" on page 4-16). 9. Remove the keyboard (see "Keyboard" on page 4-18). 10. Remove the top cover (see "Top cover" on page 4-23). 11. Remove computer. Reverse this procedure to install the RTC battery. 4-46 Maintenance and Service Guide - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 85
Remove the wireless module (see "Wireless module" on page 4-13). 8. Remove the optical drive (see "Optical drive" on page 4-16). 9. Remove the keyboard (see "Keyboard" on page 4-18). 10. Remove the top cover (see "Top cover" on page 4-23). 11. Remove the display assembly (see "Display assembly" on - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 86
memory. 1. Turn the system board right-side up, with the back edge toward you. 2. Disconnect the fan cable from the system board. 4-48 Maintenance and Service Guide - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - 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 - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 88
sink. 8. Remove the fan/heat sink assembly 3 by lifting it straight up. Reverse this procedure to install the fan/heat sink assembly. 4-50 Maintenance and Service Guide - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 89
components each time the fan/heat sink assembly is removed. Thermal grease is located on the section of the fan/heat sink assembly 1 that services the processor 2. Replacement thermal grease and pads are included in spare parts kits for all system boards, fan/heat sink assemblies, and processors - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 90
of the fan/heat sink assembly 2 that services the Northbridge chip 4. Replacement thermal grease and pads are included with all system board, fan/heat sink assembly, and processor spare part kits. Reverse this procedure to install the fan/heat sink assembly. 4-52 Maintenance and Service Guide - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 91
on page 4-13). 10. Remove the optical drive (see "Optical drive" on page 4-16). 11. Remove the keyboard (see "Keyboard" on page 4-18). 12. Remove the top cover (see "Top cover" on page 4-23). 13. Remove sink assembly (see "Fan/heat sink assembly" on page 4-47). Maintenance and Service Guide 4-53 - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 92
triangle on the processor 3 must be aligned with the triangle embossed on the processor slot 4. Reverse this procedure to install the processor. 4-54 Maintenance and Service Guide - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 93
Remove the wireless module (see "Wireless module" on page 4-13). 10. Remove the optical drive (see "Optical drive" on page 4-16). 11. Remove the keyboard (see "Keyboard" on page 4-18). 12. Remove the top cover (see "Top cover" on page 4-23). 13. Remove the display assembly (see "Display assembly" on - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - 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 - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 95
Remove the wireless module (see "Wireless module" on page 4-13). 8. Remove the optical drive (see "Optical drive" on page 4-16). 9. Remove the keyboard (see "Keyboard" on page 4-18). 10. Remove the top cover (see "Top cover" on page 4-23). 11. Remove the display assembly (see "Display assembly" on - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - 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 - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 97
Setup Utility, use the arrow keys to select Exit > Exit Saving Changes, and then press the enter key. Changes go into effect immediately. Maintenance and Service Guide 5-1 - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 98
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 are not changed when you restore the factory default settings. 5-2 Maintenance and Service Guide - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 99
of the Setup Utility menu items listed in this chapter might not be supported by the computer. Main menu Select System information Security menu To do this about the processor, memory size, system BIOS, and keyboard controller version (select models only). Select Administrator password Power - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 100
Test To do this Run a comprehensive self-test on the hard drive. ✎ On models with two hard drives, this menu option is called the Primary Hard Disk Self Test. Run a comprehensive self-test on a secondary hard drive. Run a diagnostic test on the system memory. 5-4 Maintenance and Service Guide - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 101
to 40,000 ft ✎ Applicable product safety standards specify thermal limits for plastic surfaces. The computer operates well within this range of temperatures. Maintenance and Service Guide 6-1 - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 102
9.17 in 15.6 in 17.3 in 0.259 x 0.259 mm 1368 x 768 RGB vertical strip LED 80 x 25 5.3 w +/-45° horizontal, +15/-35 vertical typical 6-2 Maintenance and Service Guide - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 103
when referring to hard drive storage capacity. Actual accessible capacity is less. Actual drive specifications might differ slightly. ✎ Certain restrictions and exclusions apply. Contact technical support for details. Maintenance and Service Guide 6-3 - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 104
2,400 KB/sec 10,800 KB/sec 5,400 KB/sec 10,800 KB/sec 5,400 KB/sec 2,700 KB/sec 6,750 KB/sec 6-4 Maintenance and Service Guide - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 105
+R, DVD-R, CD-R, and CD-RW BD DVD < 230 ms < 180 ms 4.5 MB 9 MB/sec 2,400 KB/sec 2,400 KB/sec 2,400 KB/sec Maintenance and Service Guide 6-5 - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 106
Specifications 6-6 Maintenance and Service Guide - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 107
a reasonably current backup. Tools provided by the operating system and HP Recovery Manager software are designed to help you with the following a program or driver (Recovery Manager software feature). This feature helps you reinstall a program or driver without performing a and Service Guide 7-1 - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 108
the next step. 3. Click Recovery disc creation, and then click Next. 4. Follow the on-screen instructions. When to back up ■ On a regularly scheduled basis ✎ Set reminders to back up your information Open a word-processing document, and then select Edit > Paste. 7-2 Maintenance and Service Guide - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 109
a restore point. 5. Click Create. The System Protection window opens. 6. Follow the on-screen instructions. Restore to a previous date and time To revert to a restore point (created at a . The System Restore window opens. 5. Follow the on-screen instructions. Maintenance and Service Guide 7-3 - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 110
in repair features, such as System Restore and driver roll-back capabilities. Try these features before using partition, select Start > Computer. If the partition is present, an HP Recovery drive is listed in the Hard Disk Drives section of the screen instructions. 7-4 Maintenance and Service Guide - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 111
Audio-in (microphone) 8 Connector pin assignments Pin 1 2 3 Audio-out (headphone) Signal Audio signal in Audio signal in Ground Pin Signal 1 Audio out, left channel 2 Audio out, right channel 3 Ground Maintenance and Service Guide 8-1 - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 112
analog 8 Ground analog 9 +5 VDC 10 Ground 11 Monitor detect 12 DDC 2B data 13 Horizontal sync 14 Vertical sync 15 DDC 2B clock 8-2 Maintenance and Service Guide - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 113
) data clockConsumer electronics control (CEC) Not connected Display data channel (DDC) clock Display data channel (DDC) data Ground +5V Power Hot plug detect Maintenance and Service Guide 8-3 - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 114
Connector pin assignments RJ-11 (modem) Pin 1 2 3 4 5 6 RJ-45 (network) Signal Unused Tip Ring Unused Unused Unused Pin Signal 1 Transmit + 2 Transmit - 3 Receive + 4 Unused 5 Unused 6 Receive - 7 Unused 8 Unused 8-4 Maintenance and Service Guide - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 115
Universal Serial Bus Pin Signal 1 +5 VDC 2 Data - 3 Data + 4 Ground Connector pin assignments Maintenance and Service Guide 8-5 - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 116
Connector pin assignments 8-6 Maintenance and Service Guide - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 117
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 for mating with the appliance inlet on the back of the computer. Maintenance and Service Guide 9-1 - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 118
wall plug) must bear the certification mark of the agency responsible for evaluation in the country or region where it will be used. 9-2 Maintenance and Service Guide - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 119
site at http://www.eiae.org. This section provides disassembly instructions for the display assembly. The display assembly must be disassembled panel 2. ✎ The procedures provided in this chapter are general disassembly instructions. Specific details, such as screw sizes, quantities, and locations, - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 120
the top and bottom inside edges 2 of the display bezel until the bezel disengages from the display assembly. 3. Remove the display bezel 3. 10-2 Maintenance and Service Guide - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 121
the display enclosure. 7. Turn the display panel assembly upside down. 8. Remove all screws that secure the display panel frame to the display panel. Maintenance and Service Guide 10-3 - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 122
backlight cover. 14. Turn the display panel right-side up. 15. Remove the backlight cables 1 from the clip 2 in the display panel. 10-4 Maintenance and Service Guide - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 123
and handling the backlight to avoid damaging this component and causing exposure to the mercury. 18. Remove the backlight from the backlight frame. Maintenance and Service Guide 10-5 - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 124
4 that secures the LCD panel to the display rear panel. 23. Remove the LCD panel. 24. Recycle the LCD panel and backlight. 10-6 Maintenance and Service Guide - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 125
1-2 buttons power 2-3 C cable lock, product description 1-3 cables, service consideration 4-1 chipset, product description 1-1 components antenna 2-9 bottom 2-7 4-2 esc key 2-4 Ethernet, product description 1-2 external media cards, product description 1-2 Maintenance and Service Guide Index-1 - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 126
I interrupt specifications 6-5 J jacks network 2-5 RJ-45 2-5 K key components 2-4 keyboard product description 1-3 removal 4-18 spare part number 3-3, 4-17 Index-2 keys fn 2-4 connector spare part number 4-56 P packaging guidelines 4-3 panel, product description 1-1 Maintenance and Service Guide - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 127
drives 1-2 keyboard 1-3 memory module 1-1 microphone 1-2 modem module 1-2 operating system 1-3 optical drives 1-2 panel 1-1 ports 1-3 power requirements 1-3 product name 1-1 serviceability 1-3 TouchPad 2-1 video 2-5 webcam 1-2 wireless module 1-2 product name 1-1 Maintenance and Service Guide Index - HP G72-100 | HP G72 Notebook PC - Maintenance and Service Guide - Page 128
compartment cover removal 4-14 wireless module product description 1-2 wireless module compartment cover illustration 3-9 spare part number 3-9 WLAN modules removal 4-14 workstation guidelines 4-3 Index-4 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.