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Maintenance and Service
Guide
HP Pavilion dv1400 Entertainment
Notebook PC
HP Compaq nx4820 Notebook PC
Compaq Presario V2400 Notebook PC
Document Part Number: 396166-002
November 2005
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 2005 Hewlett-Packard Development Company, L.P. Microsoft and Windows are U.S. registered trademarks of Microsoft Corporation. Intel, Pentium, and Celeron are trademarks or registered trademarks of Intel Corporation or its subsidiaries in the United States and other countries. Bluetooth is a trademark owned by its proprietor and used by Hewlett-Packard Company under license. The information contained herein is subject to change without notice. The only warranties for HP products
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Contents 1 Product Description 1.1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–2 1.2 Resetting the Computer. . . . . . . . . . . . . . . . . . . . . . . 1–4 1.3 Power Management. . . . . . . . . . . . . . . . . . . . . . . . . . 1–5 1.4 External Components . . . . . . . . . . . . . . . . . . . . . . . . 1–6 1.5 Design Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . 1–36 2 Troubleshooting 2.1 Computer Setup. . . . . . . . . . . . . . . . . .
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Contents 3 Illustrated Parts Catalog 3.1 Serial Number Location . . . . . . . . . . . . . . . . . . . . . . 3–1 3.2 Computer Major Components. . . . . . . . . . . . . . . . . . 3–2 3.3 Miscellaneous Plastics Kit . . . . . . . . . . . . . . . . . . . 3–20 3.4 Mass Storage Devices . . . . . . . . . . . . . . . . . . . . . . . 3–22 3.5 Miscellaneous . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–25 3.6 Sequential Part Number Listing . . . . . . . . . . . . . . . 3–27 4 Removal an
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Contents 5 Removal and Replacement Procedures 5.1 Serial Number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–2 5.2 Disassembly Sequence Chart . . . . . . . . . . . . . . . . . . 5–3 5.3 Preparing the Computer for Disassembly . . . . . . . . . 5–5 5.4 Hard Drive. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–7 5.5 Computer Feet. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–11 5.6 Memory Module . . . . . . . . . . . . . . . . . . . . . . . . .
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Contents 6 Specifications A Connector Pin Assignments B Power Cord Set Requirements C Screw Listing D Display Component Recycling Index vi Maintenance and Service Guide
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1 Product Description The HP Pavilion dv1400 Entertainment Notebook PC 1 and the HP Compaq nx4820 Notebook PC and Compaq Presario V2400 Notebook PC (both represented by 2) offer advanced modularity, Intel® Pentium® M and Celeron® M processors, and extensive multimedia support. HP Pavilion dv1400, HP Compaq nx4820, and Compaq Presario V2400 Maintenance and Service Guide 1–1
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Product Description 1.1 Features ■ The following processors are available, varying by computer model: ❏ Intel Pentium M 770 (2.13-GHz) with 400-MHz FSB ❏ Intel Pentium M 760 (2.0-GHz) with 400-MHz FSB ❏ Intel Pentium M 750 (1.8-GHz) with 400-MHz FSB ❏ Intel Pentium M 740 (1.7-GHz) with 400-MHz FSB ❏ Intel Pentium M 735a (1.7-GHz) with 400-MHz FSB ❏ Intel Pentium M 730 (1.6-GHz) with 400-MHz FSB ❏ Intel Pentium M 725 (1.6-GHz) with 400-MHz FSB ❏ Intel Celeron M 380 (1.6-GHz) with 400-MHz FSB ❏ I
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Product Description ■ Integrated wireless support for Mini PCI IEEE 802.11b and 802.11b/g WLAN device ■ Support for one Type II PC Card slots, with support for both 32-bit (CardBus) and 16-bit PC Cards ■ External 65-watt AC adapter with 3-wire power cord ■ 6-cell or 12-cell Li-Ion battery pack ■ Stereo speakers with volume up and down buttons ■ Support for the following optical drives: ❏ DVD+RW/R and CD-RW Double Layer Combo Drive with LightScribe ❏ DVD+RW/R and CD-RW Double Layer Combo Drive
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Product Description 1.2 Resetting the Computer If the computer you are servicing has an unknown password, follow these steps to clear the password. These steps also clear CMOS: 1. Prepare the computer for disassembly (refer to Section 5.3, “Preparing the Computer for Disassembly,” for more information). 2. Remove the real time clock (RTC) battery (refer to Section 5.16, “RTC Battery,” for more information). 3. Wait approximately 5 minutes. 4. Replace the RTC battery and reassemble the comput
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Product Description 1.3 Power Management The computer comes with power management features that extend battery operating time and conserve power. The computer supports the following power management features: ■ Standby ■ Hibernation ■ Setting customization by the user ■ Hotkeys for setting the level of performance ■ Battery calibration ■ Lid switch standby/resume ■ Power button ■ Advanced Configuration and Power Management (ACPM) compliance Maintenance and Service Guide 1–5
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Product Description 1.4 External Components The external components on the front of the HP Pavilion dv1400 are shown below and described in Table 1-1. Front Components, HP Pavilion dv1400 1–6 Maintenance and Service Guide
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Product Description Table 1-1 Front Components HP Pavilion dv1400 Item Component Function 1 Speakers (2) Produce stereo sound. 2Power light ■ On: Computer is turned on. ■ Blinking: Computer is in standby. ■ Off: Computer is off. 3 IDE (Integrated Drive On or blinking: The internal hard drive or an Electronics) drive light optical drive is being accessed. 4Battery light ■ Amber: The battery pack is charging. ■ Green: The battery pack is fully charged. ■ Off: The battery pack is discharging or n
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Product Description The external components on the front of the HP Compaq nx4820 and Compaq Presario V2400 are shown below and described in Table 1-2. Front Components, HP Compaq nx4820 and Compaq Presario V2400 1–8 Maintenance and Service Guide
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Product Description Table 1-2 Front Components HP Compaq nx4820 and Compaq Presario V2400 Item Component Function 1 Speakers (2) Produce stereo sound. 2 Wireless button light On: An integrated wireless device is (select models only) hardware enabled. 3Power light ■ On: Computer is turned on. ■ Blinking: Computer is in standby. ■ Off: Computer is off. 4 IDE (Integrated Drive ■ On or blinking: The internal hard drive Electronics) drive light or an optical drive is being accessed. 5Battery light
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Product Description The external components on the right side of the HP Pavilion dv1400 are shown below and described in Table 1-3. Right-Side Components, HP Pavilion dv1400 1–10 Maintenance and Service Guide
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Product Description Table 1-3 Right-Side Components HP Pavilion dv1400 Item Component Function 1 USB connectors (2) Connect an optional USB device. 2 6-in-1 Digital Media In Windows, supports digital memory cards. Reader (select models only) 3 1394 port Connects an optional 1394a device such (select models only) as a scanner, digital camera, or digital camcorder. 4 6-in-1 Digital Media On: A digital memory card is being accessed. Reader light (select models only) 5 Optical drive Supports an
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Product Description The external components on the right side of the HP Compaq nx4820 and Compaq Presario V2400 are shown below and described in Table 1-4. Right-Side Components, HP Compaq nx4820 and Compaq Presario V2400 1–12 Maintenance and Service Guide
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Product Description Table 1-4 Right-Side Components HP Compaq nx4820 and Compaq Presario V2400 Item Component Function 1 USB connectors (2) Connect an optional USB device. 2 Digital memory card In Windows, supports digital memory cards. reader (select models only) 3 1394 port Connects an optional 1394 device such (select models only) as a scanner, digital camera, or digital camcorder. 4 Digital memory card On: A digital memory card is being reader light accessed. (select models only) 5 Optic
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Product Description The external components on the rear and left side of the HP Pavilion dv1400 are shown below and described in Table 1-5. Rear and Left-Side Components, HP Pavilion dv1400 1–14 Maintenance and Service Guide
