HP G72-262NR Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten
HP G72-262NR Manual
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- HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 1
Compaq Presario CQ72 Notebook PC and 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, - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 2
- HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 3
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 or omissions contained herein. First Edition: May 2010 Document Part Number: 597891-001 - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 4
for the following components: ❏ Hard drive ❏ Memory module ❏ Processor ■ Chapter 3 and Chapter 4 -added new spare part numbers and descriptions for the following components: ❏ Display assembly ❏ Display back cover ❏ Hard drive ❏ Keyboard ❏ Memory module ❏ Processor ❏ System board ❏ Top cover - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 5
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 G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 6
- HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 7
3 Illustrated parts catalog Service tag 3-1 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 - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 8
board 4-38 Power connector 4-40 Bluetooth module 4-41 Modem 4-42 System board 4-43 RTC battery 4-45 Fan/heat Specifications Computer specifications 6-1 43.9-cm (17.3-in) HD display specifications 6-2 Hard drive specifications 9-4 Universal Serial Bus 9-5 v Maintenance and Service Guide - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 9
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 G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 10
Contents vii Maintenance and Service Guide - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 11
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 G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 12
(select models only) Hot plug/unplug with auto-detect RJ-11 (modem, select models only) RJ-45 (Ethernet) USB (2) VGA (Dsub 15-pin) supporting 1600 × 1200 external resolution at 75 Hz Multi-pin AC power Full-size keyboard, 39.62-cm (15.6-in) with numeric keypad HP G72 UMA X X X X HP G72 Discrete - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 13
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 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 Maintenance and Service Guide 1-3 - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 14
Product description 1-4 Maintenance and Service Guide - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 15
double-tap the TouchPad off indictor. Moves the pointer and selects or activates items on the screen. Use the left side of the TouchPad control button like the left button on an external mouse click the device representing the computer. 3. Select Mouse settings. Maintenance and Service Guide 2-1 - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 16
different from the illustration in this section. Item Component 1 TouchPad light 2 Caps lock light 3 Power light 4 Wireless light 5 num lk light Description ■ Off: TouchPad is enabled. ■ Amber . ■ Off: The navigation function of the keypad is enabled. 2-2 Maintenance and Service Guide - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 17
your power settings, select 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 G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 18
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 G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 19
, 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) Memory Card ■ xD-Picture Card (XD) On: The hard drive is in use. Maintenance and Service Guide 2-5 - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 20
. ■ Off: The computer is not connected to external power. Connects an AC adapter. Attaches an optional security cable to 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 G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 21
the internal fan to cycle on and off during routine operation. Releases the battery from the battery bay. Holds the hard drive. Holds two memory modules and the wireless local computer functionality, and then contact technical support through Help and Support. Maintenance and Service Guide 2-7 - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 22
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 G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 23
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 G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 24
1 Power cord* 2 AC adapter 3 Battery *Power cords vary in appearance by country or region. Description Connects an AC adapter 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 G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 25
provides specific information about the product'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 - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 26
Illustrated parts catalog Computer major components 3-2 Maintenance and Service Guide - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 27
6 7 8 Description Spare part number 43.9-cm (17.3-in with webcam (for model 1.1 only) 608467-001 Keyboard (includes keyboard cable) for use in: Adriatics (for model 1.1 Turkey 600715-141 United Kingdom 600715-031 Power button board (includes cable) 600718-001 and Service Guide 3-3 - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 28
part number model 1.1 only) 572925-001 Thermal pad kit for processor 634428-001 RTC battery 602745-001 Memory module 1 GB (1066 MHz, DDR3) 598859-001 -001 Wireless (WLAN) module Atheros AR9285 802.11b/g/n 1x1 WiFi Adapter for use in Canada, the Cayman Islands, Guam, Puerto Service Guide - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 29
catalog Item Description Spare part number Intel Centrino Wireless-N 1000 802.11b/g/n 1x2 WLAN module for use in Afghanistan, Albania Venezuela, Vietnam, Yemen, Zaire, Zambia, and Zimbabwe 582562-002 Realtek RTL8191SE 802.11b/g/n 1x1 WiFi Adapter 593533-001 Maintenance and Service Guide 3-5 - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 30
included with optical drive) Battery 6-cell Li-lon, 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) DVD±RW and CD-RW SuperMulti Double-Layer Combo Drive with LightScribe 602542-001 3-6 Maintenance and Service Guide - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 31
spare part card reader and HDMI, without modem for silver computer models (for model 1.1 only) Rubber Kit (not illustrated, includes four rubber feet) Plastics Kit (see "Plastics Kit" on page 3-10 for spare part component information) Hard drive cover Memory module compartment cover Spare part - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 32
Illustrated parts catalog Display assembly components 3-8 Maintenance and Service Guide - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 33
parts catalog Item 1 2 3 4 5 6 7 8 Description Display bezel With webcam and microphone modules With microphone module only Webcam board High-definition BrightView display panel (includes display panel and backlight cables) Display hinges LCD cable kit (not illustrated, includes LCD Spare part - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 34
Illustrated parts catalog Plastics Kit Item Description Plastics Kit: 1 Hard drive cover 2 Memory module compartment cover Spare part number 595200-001 3-10 Maintenance and Service Guide - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 35
Mass storage devices Illustrated parts catalog Item 1 2 Description Hard drive (includes Hard Drive Hardware Kit) 640 GB Blu-ray ROM with LightScribe DVD±R/RW SuperMulti Double-Layer Drive Spare part number 603785-001 603784-001 603783-001 605606-001 613416-001 599057-001 602542-001 602543 - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 36
D4.4,T0.8,NYL-RED, BZN M2.5×5.0-I, NYLON, IRON, BZN M2.5×3.0-I(BZN) IRON M2.0×3.0-I-NI-NYLOK M2.5×4.0 LCD Screw Kit M2.5×4.0 screw M2.0×3.0-I-NI-NYLOK screw M2.5×3.0-I(BZN) IRON screw Spare part number 463958-001 463955-001 600853-001 490371-081 490371-021 490371-061 430971-001 490371-AR1 490371 - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 37
Power cord for use in Italy 490371-081 Power cord for use in Denmark 490371-111 Power cord for use in Switzerland 490371-AR1 Power cord for use in South Africa 504593-004 Broadcom BCM4312 802.11b/g WiFi 510100-001 Modem module (select models only) Maintenance and Service Guide 3-13 - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 38
Illustrated parts catalog Spare part number Description number 518436-002 the United States, and the U.S. Virgin Islands 582562-001 Broadcom 4312G 802.11b/g WiFi Adapter for use in Canada, the Cayman Islands, Guam, Puerto Rico, the U.S. ) (for model 1.1 only) 3-14 Maintenance and Service Guide - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 39
Illustrated parts catalog Spare part number Description number 593530- model 1.0 only) 593533-001 Realtek RTL8191SE 802.11b/g/n 1x1 WiFi Adapter 593553-001 Battery, 6-cell, 2.20 Ah, 47 Wh 593554-001 Battery, 6-cell, 2.55 Ah, 55 Wh 594187-001 Intel models Maintenance and Service Guide 3-15 - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 40
(includes keyboard cable) 600715-DJ1 Keyboard for use in Greece (includes keyboard cable) 600716-001 Top cover (includes TouchPad board) 600717-001 USB board with cable 600718-001 Power button board with cable 600719-001 Power connector (includes cable) 3-16 Maintenance and Service Guide - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 41
parts catalog Spare part with LightScribe DVD±R/RW SuperMulti Double-Layer Drive 602745-001 RTC battery 603783-001 320 GB, 7200 rpm hard drive 603784-001 500 (for model 1.1 only) 610693-001 Base enclosure with card reader and HDMI, without modem for silver computer models ( Service Guide 3-17 - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 42
Illustrated parts catalog 3-18 Maintenance and Service Guide - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 43
screwdrivers Service considerations Before disassembly or assembly procedures, review and adhere to all service considerations parts. Use care when handling the plastic parts. Apply pressure only at the points designated in the maintenance instructions. Cables and connectors Ä CAUTION: When servicing - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 44
into many integrated circuits provide some protection, but in many cases, ESD contains enough power to alter device parameters or melt silicon junctions. A discharge of static electricity from If you remove a component, place it in an electrostatic-safe container. 4-2 Maintenance and Service Guide - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 45
as ordinary plastic assembly aids and Styrofoam. ■ Handle ESD-sensitive components, parts, and assemblies by the case or PCM laminate. Handle these items only as possible. ■ Turn off power and input signals before inserting or removing connectors or test equipment. Maintenance and Service Guide 4-3 - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 46
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 G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 47
provides specific information about the product'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 - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 48
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 G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 49
the battery 2 upward and remove it 3 from the computer. To insert the battery, insert the rear edge of the battery into the 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 - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 50
the power from the computer by first disconnecting the power cord from the AC outlet and then disconnecting the AC adapter from the computer. 4. Remove the battery (see "Battery" on hard drive cover is included in the Plastics Kit, spare part number 595200-001. 4-8 Maintenance and Service Guide - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 51
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 G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 52
Removal and replacement procedures Reverse this procedure to reassemble and install the hard drive. 4-10 Maintenance and Service Guide - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 53
Disconnect the power from the computer by first disconnecting the power cord from the AC outlet and then disconnecting the AC adapter from the computer. 4. Remove the battery (see "Battery" on cover is included in the Plastics Kit, spare part number 595200-001. Maintenance and Service Guide 4-11 - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 54
. 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 G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 55
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 only) 593531-001 Broadcom 4312G 802.11b/g WiFi Adapter for use in Canada, the Cayman - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 56
Description Spare part number Broadcom 4312G 802.11b/g WiFi Adapter for power from the computer by first disconnecting the 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 G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 57
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 G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 58
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 drive.) 4. Grasp the bezel and slide the optical drive 3 out of the computer. 4-16 Maintenance and Service Guide - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 59
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 G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 60
the power from the computer by first disconnecting the 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). 5. Remove the optical drive screw (see "Optical drive" on page 4-16). 4-18 Maintenance and Service Guide - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 61
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 G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 62
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 G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 63
Remove the keyboard (see "Keyboard" on battery bay that secure the speaker assembly to the base enclosure. 3. Turn the computer right-side up with the front toward you. 4. Open the computer 1 as far as possible. 5. Disconnect the speaker cable 2 from the system board. Maintenance and Service Guide - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 64
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 G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 65
Spare part number 600716 power from the computer by first disconnecting the power cord from the AC outlet and then disconnecting the AC adapter from the computer. 4. Remove the battery (see "Battery on page 4-16). 9. Remove the keyboard (see "Keyboard" on page 4-18). 10. Remove Service Guide 4-23 - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 66
.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. 4-24 Maintenance and Service Guide - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 67
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. Maintenance and Service Guide 4-25 - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 68
the power button board: 1. Turn the top cover upside down. 2. Remove the Phillips PM2.5×3.0 screw 1 that secures the power button board to the top cover. 3. Lift up and remove the power button board 2. Reverse this procedure to install the power button board. 4-26 Maintenance and Service Guide - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 69
part power from the computer by first disconnecting the power cord from the AC outlet and then disconnecting the AC adapter from the computer. 4. Remove the battery (see "Battery drive" on page 4-16). 9. Remove the keyboard (see "Keyboard" on page 4-18). 10. Remove the speakers Service Guide 4-27 - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 70
only) Spare part number 599078-001 power from the computer by first disconnecting the power cord from the AC outlet and then disconnecting the AC adapter from the computer. 4. Remove the battery (see "Battery drive" on page 4-16). 9. Remove the keyboard (see "Keyboard" on page 4-18). 10. Remove the - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 71
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 G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 72
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 G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 73
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. 2 Two Phillips PM2.5×7.0 screws on the display bezel bottom edge. Maintenance and Service Guide 4-31 - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 74
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 G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 75
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. Reverse this procedure to install the webcam module. Maintenance and Service Guide 4-33 - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 76
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. Reverse this procedure to install the display hinge covers. 4-34 Maintenance and Service Guide - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 77
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 G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 78
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. Reverse this procedure to install the display panel brackets. 4-36 Maintenance and Service Guide - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 79
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. Reverse this procedure to install the display wireless antenna transceivers. Maintenance and Service Guide 4-37 - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 80
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. Reverse this procedure to install the microphone module. 4-38 Maintenance and Service Guide - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 81
power from the computer by first disconnecting the power cord from the AC outlet and then disconnecting the AC adapter from the computer. 4. Remove the battery (see "Battery 4-16). 9. Remove the keyboard (see "Keyboard" on page 4-18). 10 part number 600853-001. Maintenance and Service Guide 4-39 - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 82
Removal and replacement procedures Reverse this procedure to install a USB board. 4-40 Maintenance and Service Guide - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 83
the cable connector from the system board. Reverse this procedure to install the power connector cable. Bluetooth module Description Bluetooth module Bluetooth module cable Before removing the Bluetooth module: Maintenance and Service Guide Spare part number 537921-001 602538-001 4-41 - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 84
power from the computer by first disconnecting the power cord from the AC outlet and then disconnecting the AC adapter from the computer. 4. Remove the battery (see "Battery see "Optical drive" on page 4-16). 9. Remove the keyboard (see "Keyboard" on page 4-18). 10. Remove the top cover Service Guide - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 85
part power from the computer by first disconnecting the power cord from the AC outlet and then disconnecting the AC adapter from the computer. 4. Remove the battery (see "Battery Optical drive" on page 4-16). 9. Remove the keyboard (see "Keyboard" on page 4-18). 10. Remove the top Service Guide 4-43 - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 86
1.1 only) Spare part number 595181-001 power from the computer by first disconnecting the power cord from the AC outlet and then disconnecting the AC adapter from the computer. 4. Remove the battery (see "Battery page 4-16). 9. Remove the keyboard (see "Keyboard" on page 4-18). 10. Service Guide - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 87
3 from the system board. 4. Disconnect the USB cable 4 from the system board. 5. Disconnect the power connector cable 5 from the system board. 6. Remove the three PM2.5×4.0 screws 1 that secure the system angle. Reverse this procedure to install the system board. Maintenance and Service Guide 4-45 - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 88
16). 9. Remove the keyboard (see "Keyboard" on page 4-18 battery: 1. Use a sharp, non-conductive tool to release the clip 1 that secures the battery to the system board. 2. Lift the battery 2 out of the computer. Reverse this procedure to install the RTC battery. 4-46 Maintenance and Service Guide - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 89
memory Spare part number 595832- power from the computer by first disconnecting the power cord from the AC outlet and then disconnecting the AC adapter from the computer. 4. Remove the battery (see "Battery " on page 4-16). 9. Remove the keyboard (see "Keyboard" on page 4-18). 10. Remove the - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 90
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 G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 91
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 G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 92
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 G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 93
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. Maintenance and - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 94
assembly 1 that services the processor 3. A thermal pad is located on the section 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 - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 95
Spare part number 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) 5. Remove the battery (see "Battery" on page 4-7). 6. Remove the battery (see "Battery Remove the keyboard (see "Keyboard" on Service Guide 4-53 - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 96
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 G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 97
part 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) 5. Remove the battery (see "Battery" on page 4-7). 6. Remove the battery (see "Battery page 4-16). 11. Remove the keyboard (see "Keyboard" on page 4-18). 12. - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 98
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 G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 99
Kit) Spare part number 600853- power from the computer by first disconnecting the power cord from the AC outlet and then disconnecting the AC adapter from the computer. 4. Remove the battery (see "Battery drive" on page 4-16). 9. Remove the keyboard (see "Keyboard" on page 4-18). 10. Remove the top - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 100
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 G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 101
computer. When the Press the ESC key for Startup Menu message appears in the lower left corner of the screen, press the esc key. 2. When the Startup Menu appears, press the f10 key. Changing the language then press the enter key. Changes go into effect immediately. Maintenance and Service Guide 5-1 - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 102
Utility Because Setup Utility is not Windows based, it does not support the TouchPad. Navigation and selection are by keystroke. ■ To ESC key for Startup Menu message appears in the lower left corner of the screen, press the esc key. When the Startup Menu appears, press the f10 and Service Guide - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 103
about the computer. ■ View specification information about the processor, memory size, system BIOS, and keyboard controller version (select models only). To do this Enter, change, or delete an administrator password. Enter, change, or delete a power-on password. Maintenance and Service Guide 5-3 - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 104
Support Button Sound (select models only) Virtualization Technology (select models only) Processor C6 State (select models only) LAN Power Saving (select models only) Card Reader/1394 Power secondary hard drive. Run a diagnostic test on the system memory. 5-4 Maintenance and Service Guide - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 105
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 Maintenance and Service Guide 6-1 - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 106
43.9-cm (17.3-in) HD BrightView display specifications Dimensions Height Width Diagonal Number of colors Contrast ratio Brightness Pixel resolution Pitch Format Configuration Backlight Character display Total power consumption Viewing angle Metric U.S. 23.3 cm 39.8 cm 43.9 cm Up to - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 107
55°C (41°F to 131°F) *1 GB = 1 billion bytes 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 G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 108
and CD-RW SuperMulti Double-Layer Combo Drive with LightScribe specifications Applicable disc Access time Random Cache buffer Data transfer rate 24X CD-ROM 8X DVD 24X CD-R 16X CD-RW 8X ,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 G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 109
ROM with LightScribe DVD±R/RW SuperMulti Double-Layer Drive specifications Applicable disc Access time Random Cache buffer Data transfer rate 2X BD-system memory 8X DVD 16X CD-R 16X 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 G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 110
Specifications 6-6 Maintenance and Service Guide - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 111
HP and HP Recovery driver (Recovery Manager software feature). This feature helps you reinstall a program or driver HP Recovery drive is listed in the Hard Disk Drives section of the window. Creating recovery discs HP the HP power during this process. ■ Only one set of recovery discs - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 112
Click Advanced Options. ✎ If you are operating the computer on battery power, you are prompted to connect to AC power before you can go to 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 - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 113
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 Next. The System Restore window opens. 5. Follow the on-screen instructions. Maintenance and Service Guide 7-3 - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 114
Restore and driver roll-back the partition is present, an HP Recovery drive is listed in the screen. Then select Recovery Manager. Recovery Manager opens. 2. Click Advanced Options. 3. Click System recovery, and then click Next. 4. Follow the on-screen instructions. 7-4 Maintenance and Service Guide - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 115
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 G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 116
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 G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 117
shield Transition minimized differential signal (TDMS) 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 G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 118
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 G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 119
Universal Serial Bus Pin Signal 1 +5 VDC 2 Data - 3 Data + 4 Ground Connector pin assignments Maintenance and Service Guide 8-5 - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 120
Connector pin assignments 8-6 Maintenance and Service Guide - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 121
of 125 or 250 VAC, as required by the power system of each country or region. ■ The appliance coupler must meet the mechanical configuration of an EN 60 320/IEC 320 Standard Sheet C13 connector for mating with the appliance inlet on the back of the computer. Maintenance and Service Guide 9-1 - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 122
Power cord set requirements Requirements for specific countries and regions Country/ Power cord set fittings (appliance coupler and 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 G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 123
liquid crystal display (LCD) panel 2. ✎ The procedures provided in this chapter are general disassembly instructions. Specific details, such as screw sizes, quantities, and locations, and component shapes and sizes, can vary from one computer model to another. Maintenance and Service Guide 10-1 - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 124
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 G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 125
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 G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 126
secure the backlight cover to the display panel. 12. Lift the top edge of the backlight cover 2 and swing it outward. 13. Remove the 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 G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 127
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. Remove the backlight from the backlight frame. Maintenance and Service Guide 10 - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 128
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. Remove the LCD panel. 24. Recycle the LCD panel and backlight. 10-6 Maintenance and Service Guide - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 129
4-2 product description 1-2, 3-6, 3-10, 3-15, 4-15 removal 4-15 spare part number 1-2, 3-6, 3-10, 3-15, 4-15 specifications 6-4, 6-5 E electrostatic discharge 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 G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 130
sinkassembly removal 4-47 hinge removal 4-29 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 keys 2-4 L LAN Power Saving 5-4 language, changing in Setup Utility 5-1 left - HP G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 131
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 G72-262NR | Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 132
3-14 Wireless Antenna Kit, spare part number 3-14 wireless 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
Compaq Presario CQ72 Notebook PC
and 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.