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December 17, 2009December 17, 2009
HP Pavilion dv4 Entertainment PC
Maintenance and Service Guide
Document Part Number: 598157-001
December 2009
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; troubleshooting
computer problems; and performing computer disassembly procedures.
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© Copyright 2009 Hewlett-Packard Development Company, L.P. ATI and ATI Mobility Radeon are trademarks of Advanced Micro Devices, Inc. Bluetooth is a trademark owned by its proprietor and used by Hewlett-Packard Company under license. Intel, Arrandale, and Core are trademarks of Intel corporation in the U.S. and other countries. Microsoft and Windows are U.S. registered trademarks of Microsoft Corporation. SD Logo is a trademark of its proprietor. The information contained herein is subject to
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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 TouchPad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–1 Lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Contents 4 Removal and replacement procedures Preliminary replacement requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–1 Tools required . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–1 Service considerations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–1 P
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Contents 5 Setup Utility Starting Setup Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–1 Using Setup Utility. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–1 Changing the language of Setup Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–1 Navigating and
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Contents 8 Connector pin assignments Audio-in (microphone). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8–1 External monitor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8–2 HDMI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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1 Product description Category Description Product Name HP Pavilion dv4 Entertainment PC Processors Intel Arrandale™ Single-Core i5-520M (2.4 GHz, 3 MB L3 cache, 1066 MHZ SC Turbo) Intel Arrandale Single-Core i5-540M (2.53 GHz, 3 MB L3 cache, 1066 MHZ SC Turbo) Chipset Intel™ HM55 Graphics Mobile Intel™ GMA Media Accelerator HD unified memory architecture (UMA, integrated) with shared video memory: ■ Up to 268 MB of video memory on computer models equipped with 1 GB of main system memory. ■
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Product description Category Description Memory 2 customer-accessible/upgradable memory module slots Supports dual-channel memory Supports up to 8 GB of system RAM 1066-MHz, DDR3 Supports the following configurations: 8192 MB total system memory (4096 × 2, dual-channel) 6144 MB total system memory (4096 + 2048) 4096 MB total system memory (2048 × 2, dual-channel) 3072 MB total system memory (2048 + 1024) 2048 MB total system memory (1024 × 2, dual-channel) 2048 MB total system memory (2048 × 1)
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Product description Category Description Webcam/microphone VGA webcam Fixed (no tilt) Activity LED 640 × 480 by 24 frames per second 2 integrated omnidirectional digital microphones Ethernet Integrated 10/100/1000 network interface card (NIC) for Discrete versions. Integrated 10/100 network interface card (NIC) for UMA versions. Wireless Integrated WLAN options by way of wireless module: Intel WiFi Link 6200 802.11 a/b/g/n WLAN module Intel WiFi Link 6200 802.11 a/b/g/n WLAN module + Bluetooth I
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Product description Category Description Docking Expansion port 3 supports HP xb Docking Station and HP Notebook QuickDock Keyboard/pointing 14.1-in keyboard devices TouchPad with 2 buttons Supports 2-way scroll Taps enabled as default Power requirements 65-W and 90-W HP Smart Adapter with localized cable plug support (3-wire plug with ground pin, supports 3-pin DC connector) Smart pin AC Adapter with localized cable plug support Battery options: 3-cell, 4.40 Ah (47 Wh) Li-ion battery 6-cell,
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2 External component identification Top components TouchPad Item Component Description 1 TouchPad light White—TouchPad is enabled. Amber—TouchPad is disabled. 2 TouchPad* Moves the pointer and selects or activates items on the screen. 3 Left TouchPad button* Functions like the left button on an external mouse. 4 TouchPad On/Off button Enables/disables the TouchPad. 5 TouchPad vertical scroll zone Scrolls up or down. 6 Right TouchPad button* Functions like the right button on an external mouse. *
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External component identification Lights Item Component Description 1 Power lights (2)* On—The computer is on. Flashing—The computer is in Sleep. Off—The computer is off or in Hibernation. 2 Battery light On—The battery is charging. Flashing—The battery reaches a low battery level or a critical battery level. Off—If the computer is connected to an external power source, the light is off when all batteries in the computer are fully charged. If the computer is not connected to an external power
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External component identification Buttons, speakers, and fingerprint reader Item Component Description 1 Speakers (2) Produce sound. 2 Power button* When the computer is off, press the button to turn on the computer. When the computer is on, press the button to initiate Sleep. When the computer is in Sleep, press the button to exit Sleep. When the computer is in Hibernation, press the button to exit Hibernation. If the computer has stopped responding and Windows shutdown procedures are ineffect
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External component identification Keys Item Component Description 1 esc key Displays system information when pressed at the same time as the fn key. 2 fn key Executes frequently used system functions when pressed at the same time as a function key or the esc key. 3 Windows Logo key Displays the Windows Start menu. 4 Windows Applications key Displays a shortcut menu for items beneath the pointer. 5 Embedded numeric keypad keys Used like the keys on an external numeric keypad. 6 Function keys Exe
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External component identification Display Item Component Description 1 Internal display switch Turns off the display if the display is closed while the computer is on. 2 Internal digital dual-array Records sound. microphones (2) 3 Webcam light On—The webcam is in use. 4 Webcam Records video and captures still photographs. Maintenance and Service Guide 2–5
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External component identification Front components Item Component Description 1 Power light On—The computer is on. Flashing—The computer is in Sleep. Off—The computer is off or in Hibernation. 2 Battery light On—The battery is charging. Flashing—The battery reaches a low battery level or a critical battery level. Off—If the computer is connected to an external power source, the light is off when all batteries in the computer are fully charged. If the computer is not connected to an external po
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External component identification Rear component Component Description Vent Enables airflow to cool internal components. The computer fan starts automatically to cool internal components and ✎ prevent overheating. It is normal for the internal fan to cycle on and off during routine operation. Maintenance and Service Guide 2–7
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External component identification Right-side components Item Component Description 1 SmartBay Supports an optical drive or hard drive. 2 USB ports (2) Connects optional USB devices. 3 RJ-11 (modem) jack Connects a modem cable. (select models only) 4 Power connector Connects an AC adapter. 2–8 Maintenance and Service Guide
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External component identification Left-side components Item Component Description 1 Security Cable slot 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 External Monitor port Connects an external VGA monitor or projector. 3 Expansion port 3 Connects the computer to an optional docking device or optional expansion product. The computer has only one expansion port.
