HP Pavilion dv7 Entertainment PC Maintenance and Service Guide Document Part Number: 575975-001 September 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. © Copyright 2009 Hewlett-Packard Development Company, L.P. Bluetooth is a trademark owned by its proprietor and used by Hewlett-Packard Company under license. Intel and Core are trademarks or registered trademarks of Intel Corporation or its subsidiaries in the United States 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 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 or omissions contained herein. First Edition: September 2009 Document Part Number: 575975-001 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 clothing, during operation. The computer and the AC adapter comply with the user-accessible surface temperature limits defined by the International Standard for Safety of Information Technology Equipment (IEC 60950). Contents 1 Product description 2 External component identification Top components. 2–1 TouchPad . 2–1 Lights . 2–2 Buttons and fingerprint reader (select models only). 2–3 Keys . 2–5 Front components. 2–6 Rear component . 2–7 Right-side components. 2–7 Left-side components. 2–8 Bottom components . 2–9 Display components. 2–10 Wireless antennas (select models only) . 2–11 3 Illustrated parts catalog Service tag . 3–1 Computer major components . 3–2 Display assembly components . 3–7 Flush glass display assembly . 3–7 BrightView panel . 3–8 Mass storage devices . 3–9 Miscellaneous parts . 3–10 Sequential part number listing . 3–11 4 Removal and replacement procedures Preliminary replacement requirements . 4–1 Tools required . 4–1 Service considerations . 4–1 Grounding guidelines . 4–2 Component replacement procedures . 4–5 Service tag . 4–5 Computer feet . 4–6 Battery. 4–6 Optical drive . 4–7 Primary hard drive cover. 4–9 Secondary hard drive cover. 4–10 Hard drive . 4–11 WLAN module . 4–14 RTC battery . 4–16 Memory module . 4–17 Maintenance and Service Guide i Contents TV tuner module . 4–18 Switch cover and keyboard. 4–19 Power button board . 4–22 Speaker assembly . 4–23 Bluetooth module . 4–24 Display assembly . 4–25 Top cover . 4–34 Modem module . 4–36 System board. 4–37 Audio/infrared board. 4–40 USB board. 4–41 Subwoofer . 4–42 TV tuner module cable . 4–43 Modem module cable . ..