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HP G70 Notebook PC
Compaq Presario CQ70 Notebook PC
Maintenance and Service Guide
Document Part Number: 485462-001
September 2008
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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© Copyright 2008 Hewlett-Packard Development Company, L.P. Bluetooth is a trademark owned by its proprietor and used by Hewlett-Packard Company under license. Intel, Core, Celeron, and Pentium are trademarks of Intel Corporation in the U.S. and other countries. Microsoft, Windows, and Windows Vista are U.S. registered trademarks of Microsoft Corporation. SD Logo is a trademark of its proprietor. The information contained herein is subject to change without notice. The only warranties for HP p
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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. Also, do not allow the AC adapter to contact the skin or a soft surface, such as pillows or rugs or clo
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Contents 1 Product description 2 External component identification Top components. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–1 Display components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–1 Lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Contents Display assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–20 Top cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–26 TouchPad on/off button board and board bracket. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–28 Audio board. . . . . . . . . . . . . . . . . . . . .
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Contents 8 Backup and recovery Creating recovery discs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8–1 Backing up your information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8–2 When to back up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8–2 Backup
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1 Product description Category Description Presario Presario HP G70 HP G70 CQ70 CQ70 UMA Discrete UMA Discrete Product name HP G70 Notebook PC XX Compaq Presario CQ70 Notebook PC XX Processors Intel® Core™2 Duo processors (6-MB L2 cache, 1066-MHz front side bus (FSB)) T9400 2.53-GHz processor X X X X Intel Core2 Duo processors (3-MB L2 cache, 1066-MHz FSB) ■ P8600 2.4-GHz processor X X X X ■ P8400 2.26-GHz processor X X X X ■ P7350 2.0-GHz processor X X X X Intel Core2 Duo processors (2-MB L
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Product description Category Description Presario Presario HP G70 HP G70 CQ70 CQ70 UMA Discrete UMA Discrete Graphics Intel Graphics Media Accelerator 4500MHD (Shared) X X UMA (integrated) with shared video memory XX (dynamically allocated) ■ up to 96 MB = 512-MB system memory X X ■ up to 270 MB = 1024-MB system memory X X ■ up to 781 MB = 2048-MB system memory X X ■ up to 1294 MB = 3-GB system memory X X NVIDIA GeForce 9200M GE with 256 MB of dedicated XX video memory Panel 17-inch WXGA Bright
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Product description Category Description Presario Presario HP G70 HP G70 CQ70 CQ70 UMA Discrete UMA Discrete Optical drives 12.7mm tray load - SATA - Fixed X X X X DVD±RW and CD-RW SuperMulti Double-Layer Combo XX X X Drive DVD±RW and CD-RW SuperMulti Double-Layer Combo XX X X Drive with LightScribe Blu-ray ROM DVD±RW SuperMulti DL Drive X X X X Webcam VGA camera, 640 x 480 resolution, 22.5 frames per XX X X second, fixed angle with activity light Microphone Intregated stereo microphone X X X X
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Product description Category Description Presario Presario HP G70 HP G70 CQ70 CQ70 UMA Discrete UMA Discrete Keyboard/TouchPad Full-size keyboard XX X X (17-inch with numerical key pad) TouchPad with 2 TouchPad buttons X X X X Supports 2-way scroll with legend X X X X Taps enabled as default X X X X Power requirements 65-W AC adapter with localized cable plug support X X 90-W AC adapter with localized cable plug support X X 6-cell, 2.20-Ah, 47-Whr battery X X X X Security Security cable slot X
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2 External component identification Top components Display components Item Component Description Internal display switch Turns off the display and initiates Sleep if the display is closed 1 while the power is on. Wireless antennae (2) (select models only) Send and receive signals from one or more wireless 2 devices. The antennae are not visible from the outside of the ✎ computer. For optimal transmission, keep the areas immediately around the antennae free from obstructions. To see wireles
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External component identification Lights Item Component Description Power lights* (2) ■ On: The computer is on. 1 ■ Blinking: The computer is in the Sleep state. ■ Off: The computer is off or in Hibernation. Battery light ■ On: A battery is charging. 2 ■ Blinking: A battery that is the only available power source has reached a low battery level. When the battery reaches a critical battery level, the battery light begins blinking rapidly. ■ Off: If the computer is plugged into an external power
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External component identification Buttons and speakers Item Component Description Speakers (2) Produce sound. 1 Power button* ■ When the computer is off, press the button to turn on the 2 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. ■ When the computer is in Hibernation, press the button briefly to exit Hibernation. If the computer has stopped responding and Windows® shutd
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External component identification Keys Item Component Description esc key Displays system information about your computer when pressed in 1 combination with the fn key. fn key Executes frequently used system functions when pressed in 2 combination with a function key or the esc key. Windows logo key Displays the Windows Start menu. 3 Windows applications key Displays a shortcut menu for items beneath the pointer. 4 Integrated numeric keypad Can be used like the keys on an external numeric key
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External component identification TouchPad Item Component Function TouchPad light ■ White: TouchPad is enabled. 1 ■ Amber: TouchPad is disabled. TouchPad* Moves the pointer and selects or activates items on the screen. 2 Left TouchPad button* Functions like the left button on an external mouse. 3 TouchPad on/off button Enables/disables the TouchPad. 4 TouchPad vertical scroll zone Scrolls up or down. 5 Right TouchPad button* Functions like the right button on an external mouse. 6 *This table de
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External component identification Front components Item Component Description Power light ■ On: The computer is on. 1 ■ Blinking: The computer is in the Sleep state. ■ Off: The computer is off or in Hibernation. Battery light ■ On: A battery is charging. 2 ■ Blinking: A battery that is the only available power source has reached a low battery level. When the battery reaches a critical battery level, the battery light begins blinking rapidly. ■ Off: If the computer is plugged into an external p
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External component identification Left-side components Item Component Function Power connector Connects an AC adapter. 1 AC adapter light ■ On: The computer is connected to external power. 2 ■ Off: The computer is not connected to external power. External monitor port Connects an external VGA monitor or projector. 3 RJ-45 (network) jack Connects a network cable. 4 HDMI port (select models only) Connects an optional video or audio device, such as a high-definition 5 television, or any com
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External component identification Right-side components Item Component Function Optical drive Reads optical discs and, on select models, also writes to optical discs. 1 Optical drive light Blinking: The optical drive is being accessed. 2 USB ports (2) Connect optional USB devices. 3 RJ-11 (modem) jack (select models only) Connects a modem cable. 4 Security cable slot Attaches an optional security cable to the computer. 5 The security cable is designed to act as a deterrent, but it may ✎
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External component identification Bottom components Item Component Function Battery bay Holds the battery. 1 Battery release latch Releases the battery from the battery bay. 2 WLAN module compartment Holds the WLAN module. 3 To prevent an unresponsive system, replace the wireless Ä module with only 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
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3 Illustrated parts catalog Serial number location When ordering parts or requesting information, provide the computer serial number and model number located on the bottom of the computer. Item Component Description 1 Product name This is the product name affixed to the front of your computer. 2 Serial number (s/n) This is an alphanumeric identifier that is unique to each product. 3 Part number/ product number (p/n) This number provides specific information about the product’s hardware compone
