HP 520 HP 520 Notebook PC - Maintenance and Service Guide
HP 520 - Notebook PC Manual
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- HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 1
HP 520 Notebook PC Maintenance and Service Guide - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 2
Windows Vista are either trademarks or registered trademarks of Microsoft Corporation in the United States and/or other countries. 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 - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 3
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 - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 4
iv Safety warning notice - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 5
10 3 Illustrated parts catalog Serial number location ...11 Computer major components 12 Display assembly components 16 Plastics/Hardware Preliminary replacement requirements 25 Tools required ...25 Service considerations 25 Plastic parts 25 Cables and ...30 Battery ...31 Hard drive ...32 v - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 6
cover ...41 Keyboard ...43 Display assembly ...45 Base enclosure ...50 RTC battery ...52 Fan assembly ...53 Heat sink ...55 Processor ...57 Speaker ...58 System board ...60 PC Card assembly 62 TouchPad cable ...64 5 Computer Setup Starting Computer Setup ...67 Using Computer Setup ...68 Navigating - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 7
the hard drive 101 Initiating a recovery in Windows 102 Initiating a recovery from the hard drive recovery partition 102 9 Connector pin assignments Audio-out (headphone) ...103 Audio-in (microphone) ...103 External monitor ...104 RJ-11 (modem) ...105 RJ-45 (network) ...105 Universal Serial Bus - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 8
viii - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 9
Description 940GML system board without wireless local area network (WLAN) HP 520 Notebook PC √ ● Intel® Core™ Duo T2300 (1. wireless antenna transceivers and cables ● Two SODIMM slots √ ● Customer-accessible/upgradable 940GML system board with WLAN 945GML system board with WLAN √ √ √ - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 10
Category Hard drives Optical drives (fixed) Diskette drive Audio Modem Ethernet Description ● DDRII PC2-5300 (667-MHz) ● Supports the following configurations: 940GML system board without wireless local area network (WLAN) ◦ 2048 MB total system memory (1024-MB × 2) ◦ 1536 MB total system memory - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 11
with ground pin, supports 2pin DC connector) NOTE: The HP 520 Notebook PC does not support Smart AC adapter technology. Security Security cable slot √ Operating Preinstalled: √ system ● Windows Vista™ Home Basic ● Windows Vista Business 32 ● FreeDOS Serviceability End-user replaceable - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 12
Category Description ● Battery (system) ● Hard drive ● Memory module ● WLAN module 940GML system board without wireless local area network (WLAN) √ √ √ 940GML system board with WLAN 945GML system board with WLAN √ √ √ √ √ √ √ √ 4 Chapter 1 Product description - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 13
the outside of the computer. NOTE: To see wireless regulatory notices, refer to the section of the Regulatory, Safety and Environmental Notices that applies to your country or region. These notices are located in Help and Support. ● Amber: A battery is charging. ● Green: A battery is close to full - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 14
headphones, ear buds, a headset, or television audio. Connects an optional computer headset microphone, stereo array microphone, or monaural or off, but does not create a wireless connection. NOTE: A wireless network must be set up in order to establish a wireless connection. ● On: An integrated - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 15
Off: The computer is off or in Hibernation. (7) Speaker Produces sound. *This table describes factory settings. For information about changing factory settings, refer to the user guides in Help and Support. Keys Item Component (1) esc key (2) fn key (3) Windows logo key (4) Windows applications - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 16
when pressed in combination with the fn key. Item Component Function (1) 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) Right TouchPad button* Functions like the right button on an - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 17
The computer fan starts up automatically to cool internal components and prevent overheating. It is normal for the internal fan to cycle on and off during routine operation. Connects a modem cable. Connects a network cable. Connects an AC adapter. NOTE: The HP 520 Notebook PC does not support Smart - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 18
/WLAN module compartment Function Holds the battery. NOTE: The HP 520 Notebook PC does not support Smart Battery technology. Release the battery from the battery bay. Holds the hard drive. Enables airflow to cool internal components. NOTE: The computer fan starts up automatically to cool internal - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 19
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. Serial number location 11 - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 20
Computer major components Item (1) Description Spare part number Display assemblies 14.1-inch, WXGA BrightView display assembly for use only with computer models with 448328-001 wireless LAN capability (includes wireless antenna transceivers and cables) 12 Chapter 3 Illustrated parts catalog - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 21
wireless light) For use only with computer models without wireless LAN capability 438560-001 Keyboards Brazil 438531-201 The Czech Republic PC Card slot bezel 438527-001 PC Card assembly 438551-001 RTC battery 438556-001 Speaker 438559-001 Plastics/Hardware Kit 448341-001 Computer - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 22
computer models with Intel Core processors and WLAN capability 448339-001 For use only with computer 438528-001 4-cell, 2.2-Ah, 32-Wh Battery 438518-001 Base enclosure (includes 6 rubber feet Dominican Republic, Guam, Guatemala, Hong Kong, India, Indonesia, Malaysia, Mexico, New Zealand, - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 23
Estonia, Finland, France, Germany, Gibraltar, Greece, Guatemala, Honduras, Hong Kong, Hungary, Iceland, India, Indonesia, Ireland, Israel, Italy, Jordan, Kuwait, Latvia, Lebanon, Liberia, Liechtenstein, Lithuania, 120 GB, 5400-rpm 435775-001 80 GB, 5400-rpm 435773-001 Computer major components 15 - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 24
inverter Wireless Antenna Kit (includes transceivers and cables) 438535-001 448335-001 448333-001 448332-001 438516-001 Display enclosures For use only with computer models with wireless LAN capability (includes logo and wireless 438539-001 antenna transceivers and cables) For use only with - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 25
Plastics/Hardware Kit Item (1) (2) Description Spare part number Plastics/Hardware Kit 448341-001 Hard drive cover (includes 2 captive screws, secured by C clips) Memory/WLAN module compartment cover (includes 1 captive screw, secured by a C clip) Plastics/Hardware Kit 17 - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 26
Mass storage devices Item (1) (2) Description Hard drives (include frame and connector) 120-GB, 5400-rpm 80-GB, 5400-rpm Optical drives (include bezel and bracket) DVD±RW and CD-RW Super-Multi, Double-Layer Combo Drive DVD/CD-RW Combo Drive Spare part number 435775-001 435773-001 438523-001 - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 27
Miscellaneous parts Description 65-watt AC adapter Power cords: Australia Brazil Denmark Europe French Canada Israel Italy Japan Korea People's Republic of China Switzerland The United Kingdom The United States Screw Kit ● - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 28
use in Antigua and Barbuda, Argentina, Australia, the Bahamas, Barbados, Brunei, Canada, Chile, the Dominican Republic, Guam, Guatemala, Hong Kong, India, Indonesia, Malaysia, Mexico, New Zealand, Panama, Paraguay, Saudi Arabia, Taiwan, the United States, and Vietnam 802.11a/b/g WLAN module for use - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 29
65-watt AC adapter 80-GB, -Wh Battery Top Keyboard for use in Thailand Keyboard for use in Japan Keyboard for use in Korea Keyboard for use in South Africa Keyboard for use in Slovenia Keyboard for use in Israel Display bezel Display enclosure for use only with computer models without wireless LAN - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 30
) Display Screw Cover Kit Display Screw Kit PC Card assembly RTC battery Rubber Feet Kit Screw Kit Speaker Switch cover for use only with computer models without wireless LAN capability Switch cover for use only with computer models with wireless LAN capability (includes wireless button and wireless - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 31
Spare part number 448339-001 448340-001 448341-001 Description For use only with computer models with Intel Core processors and WLAN capability Display Label Kit Plastics/Hardware Kit Sequential part number listing 23 - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 32
24 Chapter 3 Illustrated parts catalog - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 33
Plastic parts Using excessive force during disassembly and reassembly can damage plastic parts. Use care when handling the plastic parts. Apply pressure only at the points designated in the maintenance instructions. Cables and connectors CAUTION: When servicing the computer, be sure that cables are - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 34
computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system. Before handling a drive, be sure that you are discharged of static electricity. While handling a drive, avoid touching the degree of sensitivity. Networks built into many integrated circuits - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 35
removing items from their containers. ● Always be properly grounded when touching a component or assembly. ● Store reusable ESD-sensitive parts surface and use properly grounded tools and equipment. ● Use conductive field service tools, such as cutters, screwdrivers, and vacuums. ● When fixtures - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 36
or soldering aids ● Nonconductive foam ● Conductive tabletop workstations with ground cords of one megohm 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 - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 37
outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 31). 5. Remove the real-time clock (RTC) battery (see RTC battery on page 52). 6. Wait approximately 5 minutes. 7. Replace the RTC battery and reassemble the computer. 8. Connect AC power to the - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 38
different sizes, that must be removed, replaced, or loosened when servicing the computer. Make special note of each screw and screw lock size and the computer serial number to HP when requesting information or ordering spare parts. The serial number is located on the bottom of the computer. 30 - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 39
and then unplugging the AC adapter from the computer. Remove the battery: 1. Turn the computer upside down on a flat surface, with the rear panel toward you. 2. Slide the battery release latches (1) to release the battery. 3. Remove the battery (2). Install the battery by inserting it into the - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 40
disassembling the computer, follow these steps: 1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer the AC adapter from the computer. 4. Remove the battery (see Battery on page 31). Remove the hard drive: 1. Position the computer with the - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 41
5. Remove the hard drive (3) from the hard drive bay. 6. If it is necessary to replace the hard drive bracket, remove the four Phillips PM3.0×3.0 hard drive bracket screws (1) from each side of the hard drive. 7. Lift the bracket (2) straight up to remove it from the hard drive. Reverse this - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 42
Computer feet Description Rubber Feet Kit Spare part number 438557-001 The computer feet are adhesive-backed rubber pads. There are 6 rubber feet. The feet attach to the base enclosure in the locations illustrated below. 34 Chapter 4 Removal and replacement procedures - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 43
first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 31). Remove the external memory module: 1. Position the computer with the rear panel toward you. 2. Loosen the Phillips PM2.5×8.0 screw (1) that secures - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 44
on each side of the memory module slot to release the memory module. (The edge of the module opposite the slot rises away from the computer.) 5. Remove the memory module (2) by pulling the module away from the slot at an angle. NOTE: Memory modules are designed with a notch (3) to prevent incorrect - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 45
Dominican Republic, Guam, Guatemala, Hong Kong, India, Indonesia, Malaysia, Mexico, New Zealand, Panama computer. 3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 46
the WLAN module "Aux" terminal. 2. Remove the two Phillips PM2.0×4.0 screws (2) that secure the WLAN module to the computer. (The edge of the module opposite the slot rises away from the computer.) 3. Remove the WLAN module (3) by pulling the module away from the slot at an angle. NOTE: WLAN modules - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 47
system. 2. Disconnect all external devices connected to the computer. 3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 31). 5. Remove the memory/WLAN module - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 48
6. Remove the optical drive bracket (2). Reverse this procedure to reassemble and install the optical drive. 40 Chapter 4 Removal and replacement procedures - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 49
computer models with wireless LAN capability (includes wireless button and wireless 438561-001 light) For use only with computer models without wireless LAN the AC adapter from the computer. 4. Remove the battery (see Battery on page 31). Remove the switch cover: 1. Turn the computer upside down, - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 50
4. Use a flat-bladed tool to gently pry the tabs on the switch cover out of the slots on the computer. 5. Turn the computer display-side up, with the front toward you. 6. Open the computer as far as possible. 7. Lift the rear edge of the switch cover and swing it forward. 8. Remove the switch cover - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 51
cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 31). 5. Remove the memory/WLAN module compartment cover (see Memory module on page 35). Remove the keyboard: 1. Position the computer with the front toward you. 2. Remove the two - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 52
Open the computer as far as possible. 5. Lift the rear edge of the keyboard and swing it toward you until it rests on the palm rest. 6. Release the zero insertion force (ZIF) connector (1) to which the keyboard cable is attached, and disconnect the keyboard cable (2). 7. Remove the keyboard. Reverse - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 53
computer models without wireless 448327-001 LAN capability Before removing the display assembly, follow these steps: 1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer AC adapter from the computer. 4. Remove the battery (see Battery on page - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 54
cables (3) from the clips and routing channel built into the top cover. 7. Remove the two Phillips PM2.0×9.0 screws (4) that secure the display assembly to the computer. 8. Lift the display assembly straight up and remove it. 46 Chapter 4 Removal and replacement procedures - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 55
9. If it is necessary to replace the display bezel or any of the display assembly internal subcomponents, remove the following display bezel screw covers and screws: (1) Four round rubber screw covers on the display bezel top edge. The display bezel screw covers are available in the Display Screw - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 56
14. Remove the display inverter (4). The inverter is available using spare part number 448332-001. 15. If it is necessary to replace the display panel, remove the four Phillips PM2.5×6.0 screws (1) that secure the panel to the display enclosure. 16. Remove the display panel (2). The panel is - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 57
18. Remove the display hinges (2). The hinges are available in the Display Bracket/Hinge Kit, spare part number 448335-001. 19. If it is necessary to replace the wireless antenna transceivers (1) and cables (2), remove the transceivers and cables from the display enclosure. The wireless antenna - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 58
by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 31). 5. Remove the following components: a. Hard drive (see Hard drive on page 32) b. Memory/WLAN module compartment cover (see Memory module - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 59
3. Remove the seven Phillips PM2.0×9.0 screws (1) and the two Phillips PM2.0×3.0 screws (2) that secure the base enclosure to the computer. 4. Lift the left side of the base enclosure (1) until the USB connectors (2) disengage from their openings in the base enclosure. 5. Remove the base enclosure. - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 60
AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 31). 5. Remove the following e. Keyboard (see Keyboard on page 43) f. Display assembly (see Display assembly on page 45) g. Base enclosure (see Base enclosure on page 50) Remove the RTC battery: - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 61
by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 31). 5. Remove the following components: a. Hard drive (see Hard drive on page 32) b. Memory/WLAN module compartment cover (see Memory module - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 62
. The computer uses an electric fan for ventilation. The fan is controlled by a temperature sensor and is designed to be turned on automatically when high temperature conditions exist. These conditions are affected by high external temperatures, system power consumption, power management/battery - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 63
by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 31). 5. Remove the following components: a. Hard drive (see Hard drive on page 32) b. Memory/WLAN module compartment cover (see Memory module - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 64
3. Lift the left side of the heat sink (3) and remove it. NOTE: The thermal material should be thoroughly cleaned from the surfaces of the video processor (1), the processor (2), and the heat sink (3) and (4) each time the heat sink is removed. Reapply the thermal material when the heat sink is - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 65
cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 31). 5. Remove the following components: a. to turn the processor locking screw (1) one-half turn counterclockwise until you hear a click. Component replacement procedures 57 - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 66
by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 31). 5. Remove the following components: a. Hard drive (see Hard drive on page 32) b. Memory/WLAN module compartment cover (see Memory module - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 67
Remove the speaker: 1. Disconnect the speaker cable (1) from the system board. 2. Remove the Phillips PM2.0×9.0 screw (2) that secures the speaker to the top cover. 3. Remove the speaker (3). Reverse this procedure to install the speaker. Component replacement procedures 59 - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 68
by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 31). 5. Remove the following components: a. Hard drive (see Hard drive on page 32) b. Memory/WLAN module compartment cover (see Memory module - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 69
Remove the system board: 1. Remove the Phillips PM2.0×3.0 screw that secures the system board to the top cover . 2. Use the optical drive connector (1) to lift the left side of the system board (2) until it rests at an angle. 3. Flex the right side of the top cover (3) until the external monitor - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 70
by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 31). 5. Remove the following components: a. Hard drive (see Hard drive on page 32) b. Memory/WLAN module compartment cover (see Memory module - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 71
assembly to the system board. 3. Turn the system board top-side up, with the PC Card eject button toward you. 4. Disengage the slots on the PC Card assembly from the tabs (1) on the PC Card connector. 5. Remove the PC Card assembly (2) from the system board. Reverse this procedure to install the - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 72
by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 31). 5. Remove the following components: a. Hard drive (see Hard drive on page 32) b. Memory/WLAN module compartment cover (see Memory module - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 73
2. Release the ZIF connector (1) to which the TouchPad cable is connected, and disconnect the TouchPad cable (2) from the TouchPad board. Reverse this procedure to install the TouchPad cable. Component replacement procedures 65 - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 74
66 Chapter 4 Removal and replacement procedures - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 75
An external keyboard connected by USB can be used with Computer Setup only if USB legacy support is enabled. To start Computer Setup: 1. Turn on or restart the computer. 2. Before Windows® opens and while the "F10 = ROM Based Setup" message is displayed in the lower-left corner of the screen, press - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 76
the screen. Because Computer Setup is not Windows-based, it does not support the Computer Setup, choose one of the following methods: ● To exit Computer Setup without saving your preferences, use the arrow keys to select File > Ignore Changes and Exit. Then follow the instructions on the screen - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 77
● View identification information for the computer and the batteries in the system. ● View specification information for the processor, cache and memory size, system ROM, video revision, and keyboard controller version. Replace the configuration settings in Computer Setup with the original factory - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 78
Computer Setup by turning on (not restarting) the computer. Enable/disable support for smart card and Java™ Card power-on authentication. NOTE: Power-on authentication for smart cards is supported only on computers with optional smart computer asset tracking number and ownership tag. Run Disk - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 79
, pointing device at startup, select Disable.) ● Enable/disable USB legacy support. When enabled, USB legacy support allows the following: ◦ Use of a USB keyboard, mouse, and hub in Computer Setup even when a Windows operating system is not running. ◦ Startup from bootable USB devices, including - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 80
● Enable/disable LAN/WLAN Switching. When enabled, switches to a WLAN when a LAN is either unavailable or disconnected. ● Enable/disable Wake on LAN from Off. ● /disable the infrared port. ● Enable/disable the optical disk drive. ● Enable/disable the network controller. 72 Chapter 5 Computer Setup - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 81
6 Specifications Computer specifications Dimensions Height (front to back) Width Depth Weight (with optical drive, hard drive, and battery) Input power Operating voltage Operating current Temperature Operating (not writing to optical disc) Operating (writing to optical disc) Nonoperating Relative - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 82
sweep rate NOTE: Applicable product safety standards specify thermal limits for plastic surfaces. The computer operates well within this range of temperatures. 14.1-inch, WXGA display specifications Dimensions Height Width Diagonal Number of colors Contrast ratio Brightness Pixel resolution Pitch - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 83
Hard drive specifications 120-GB* 80-GB* Dimensions Height Width Weight Interface type Transfer rate Synchronous (maximum) storage capacity. Actual accessible capacity is less. NOTE: Certain restrictions and exclusions apply. Consult technical support for details. Hard drive specifications 75 - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 84
Primary 4-cell, Li-ion battery specifications Dimensions Height Width Depth Weight Energy Voltage Amp-hour capacity Watt-hour capacity Temperature Operating Nonoperating Metric 2.00 to 45°C 0°C to 60°C U.S. 0.79 in 3.70 in 5.28 in 0.75 lb 41°F to 113°F 32°F to 140°F 76 Chapter 6 Specifications - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 85
specifications Applicable disc Center hole diameter Disc diameter Standard disc Mini disc Disc thickness Track pitch Access time Random Full stroke Audio DVDROM (DVD-5, DVD-9, DVD-10, DVD-18), DVDR, DVD-RW, DVD+R, DVD+RW, DVD-RAM CD-R and CD-RW DVD+R, DVD+RW, DVD-R, DVD-RW, DVDRAM 1.5 cm (0.59 in) - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 86
specifications Applicable disc Center hole diameter Disc diameter Standard disc Mini disc Disc thickness Track pitch Access time Random Full stroke Audio RW, DVDROM (DVD-5, DVD-9, DVD-10, DVD-18), DVDR, DVD-RW, DVD+R, DVD+RW, DVD-RAM CD-R and CD-RW 1.5 cm (0.59 in) 12 cm (4.72 in) 8 cm (3.15 in) - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 87
System DMA specifications Hardware DMA System function DMA0 Not applicable DMA1* Not applicable DMA2* Not applicable DMA3 Not applicable DMA4 Direct memory access controller DMA5* Available for PC Card DMA6 Not assigned DMA7 Not assigned *PC Card controller can use DMA 1, 2, or 5. - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 88
System interrupt specifications Hardware IRQ System function IRQ0 IRQ1 System timer Standard 101-/102-Key or Microsoft Natural Keyboard IRQ2 Cascaded IRQ3 Intel 82801DB/DBM USB2 Enhanced Host Controller-24CD IRQ4 COM1 IRQ5* Conexant AC-Link Audio Intel 82801DB/DBM SMBus Controller-24C3 - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 89
Interrupt controller no. 2 System Function (shipping configuration) Unused DMA controller no. 2 Unused Coprocessor busy clear/reset Unused Unused Secondary fixed disk controller Unused Primary fixed disk controller Unused JoyStick (decoded in ESS1688) Unused System I/O address specifications 81 - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 90
3FF CF8 - CFB CFC - CFF System function (shipping configuration) Entertainment audio Unused Unused Unused Unused Unused Unused Reserved serial port Unused Infrared port Unused OPL3 Unused VGA Reserved (parallel port/no EPP support) VGA PC Card controller in CPU Unused Internal modem "A" diskette - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 91
System memory map specifications Size 640 KB 128 KB 48 KB 160 KB 64 KB 15 MB 58 MB 58 MB 2 MB 4 GB 64 KB Memory address Video memory Video BIOS Unused System BIOS Extended memory Super extended memory Unused Video memory (direct access) Unused System BIOS System memory map specifications 83 - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 92
84 Chapter 6 Specifications - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 93
7 Screw listing This section provides specification and reference information for the screws and screw locks used in the computer. All screws and screw locks listed in this section are available in the Screw Kit, spare part number 438558-001, and the Display Screw Kit, - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 94
mm Head width 5.0 mm Where used: (1) Two screws that secure the hard drive cover to the computer (screws are captured on the cover by C clips) (2) One screw that secures the memory/WLAN module compartment cover to the computer (screw is captured on the cover by a C clip) 86 Chapter 7 Screw listing - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 95
Phillips PM3.0×3.0 screw Color Silver Quantity 4 Length 3.0 mm Thread 3.0 mm Head width 5.0 mm Where used: 4 screws that secure the hard drive bracket to the hard drive Phillips PM3.0×3.0 screw 87 - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 96
Phillips PM2.0×4.0 screw Color Black Quantity 2 Length 4.0 mm Thread 2.0 mm Head diameter 4.5 mm Where used: 2 screws that secure the WLAN module to the system board 88 Chapter 7 Screw listing - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 97
screw Color Black Quantity 20 Length 9.0 mm Thread 2.0 mm Head width 5.0 mm Where used: (1) One screw that secures the optical drive to the computer (2) Five screws that secure the switch cover to the computer (3) Two screws that secure the keyboard to the computer Phillips PM2.0×9.0 screw 89 - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 98
Where used: 2 screws that secure the display assembly to the computer Where used: One screw that secures the base enclosure to the computer Where used: 7 screws that secure the base enclosure to the computer 90 Chapter 7 Screw listing - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 99
Where used: (1) One screw that secures the fan assembly to the computer (2) One screw that secures the speaker to the computer Phillips PM2.0×9.0 screw 91 - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 100
Phillips PM2.0×3.0 screw Color Silver Quantity 9 Length 3.0 mm Thread 2.0 mm Head width 4.5 mm Where used: 2 screws that secure the optical drive bracket to the optical drive Where used: 4 screws that secure the display hinges to the display panel 92 Chapter 7 Screw listing - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 101
Where used: 2 screws that secure the base enclosure to the top cover Where used: One screw that secures the system board to the base enclosure Where used: 2 screws that secure the PC Card assembly to the system board Phillips PM2.0×3.0 screw 93 - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 102
Phillips PM2.0×7.0 screw Color Black Quantity 2 Length 7.0 mm Thread 2.0 mm Head width 5.0 mm Where used: 2 screws that secure the display assembly to the computer 94 Chapter 7 Screw listing - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 103
Phillips PM2.5×6.0 screw Color Silver Quantity 17 Length 6.0 mm Thread 2.5 mm Head width 5.0 mm Where used: 8 screws that secure the display bezel to the display assembly Where used: One screw that secures the display inverter to the display enclosure Phillips PM2.5×6.0 screw 95 - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 104
Where used: 4 screws that secure the heat sink to the base enclosure Where used: 4 screws that secure the display panel to the display enclosure 96 Chapter 7 Screw listing - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 105
-write discs, such as CD-RW and DVD±RW discs, are not compatible with HP Backup & Recovery Manager. ● The computer must be connected to AC power during the process. ● Only one set of the recovery discs can be created per computer. ● Number each disc before inserting it into the optical drive of the - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 106
copy only the active window, press alt+fn+prt sc. To copy the entire screen, press fn+prt sc. c. Open a word-processing document, and then select Edit > Paste. NOTE: Before you can perform Backup & Recovery procedures, the computer must be connected to external power. NOTE: Drivers, utilities, and - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 107
up specific files or folders: 1. Select Start > All Programs > HP Backup & Recovery > Backup & Recovery Manager. 2. Click Next. 3. Click Create or manage backups, and then click Next. 4. Click Back up user created files and folders, and then click Next. 5. Follow the on-screen instructions. Backing - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 108
, and then click Next. 4. Click Create or manage Recovery Points, and then click Next. 5. Follow the on-screen instructions. Scheduling backups Use HP Backup Scheduler to schedule backups for the entire system, for recovery points, or for specific files and folders. With this tool, you can schedule - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 109
Insert the first recovery disc into the optical drive and restart the computer. 3. Follow the on-screen instructions. Performing a recovery from the hard drive There are 2 ways to initiate a recovery from the hard drive: ● From within Windows ● From the recovery partition Performing a recovery 101 - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 110
. 5. Follow the on-screen instructions. Initiating a recovery from the hard drive recovery partition To initiate a recovery from the hard drive recovery partition, follow these steps: 1. Back up all personal files. 2. Restart the computer, and then press f11 before the Windows operating system loads - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 111
9 Connector pin assignments Audio-out (headphone) Pin Signal 1 Audio out, left channel 2 Audio out, right channel 3 Ground Audio-in (microphone) Pin Signal 1 Audio signal in 2 Audio signal in 3 Ground Audio-out (headphone) 103 - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 112
External monitor Pin Signal 1 Red analog 2 Green analog 3 Blue analog 4 Not connected 5 Ground 6 Ground analog 7 Ground 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 104 Chapter 9 - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 113
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 RJ-11 (modem) 105 - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 114
Universal Serial Bus Pin Signal 1 +5 VDC 2 Data - 3 Data + 4 Ground 106 Chapter 9 Connector pin assignments - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 115
240 volts AC. The 3-conductor power cord set included with the computer meets the requirements for use in the country where the equipment is in other countries must meet the requirements of the country where the computer is used. Requirements for all countries The requirements listed below are - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 116
Requirements for specific countries Country/region Accredited agency Applicable note number Australia EANSW 1 Austria OVE 1 Belgium CEBC 1 Canada CSA 2 Denmark DEMKO 1 Finland FIMKO 1 France UTE 1 Germany VDE 1 Italy - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 117
HP Disassembly procedures differ from one display assembly to another. The procedures provided in this appendix 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. Battery - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 118
Perform the following steps to disassemble the display assembly: 1. Remove all screw covers (1) and screws (2) that secure the display bezel to the display assembly. 2. Lift up and out on the left - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 119
4. Disconnect all display panel cables (1) from the display inverter and remove the inverter (2). 5. Remove all screws (1) that secure the display panel assembly to the display enclosure. 6. Remove the display panel assembly (2) from the display enclosure. 7. Turn the display panel assembly upside - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 120
10. Remove the display panel frame (2) from the display panel. 11. Remove the screws (1) that secure the backlight cover to the display panel. 12. Lift the top edge of the backlight cover (2) and swing it forward. 13. Remove the backlight cover. 14. Turn the display panel right-side up. 112 Chapter - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 121
15. Remove the backlight cables (1) from the clip (2) in the display panel. 16. Turn the display panel upside down. 17. Remove the backlight frame from the display panel. WARNING! The backlight contains mercury. Caution should be exercised when removing and handling the backlight to avoid damaging - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 122
18. Slide the backlight out of the backlight frame. 19. Disconnect the display cable (1) from the LCD panel. 20. Remove the 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 - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 123
menu 71 using 68 computer specifications 73 connector pin assignments audio-in 103 audio-out 103 external monitor 104 headphone 103 microphone 103 modem 105 monitor 104 network 105 RJ-11 105 RJ-45 105 Universal Serial Bus (USB) 106 connectors, service considerations 25 creating recovery points 100 - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 124
3 removal 43 spare part numbers 13, 21, 43 keyboard components 7 keypad keys 8 keys esc 7 fn 7 function 8 Windows applications 7 Windows logo 7 L LAN Power Save 71 language, changing in Computer Setup 71 left-side components 9 legacy support, USB 67, 71 M mass storage devices, spare part - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 125
security, product description 3 selecting in the Computer Setup 68 serial number 11, 30 service considerations 25 serviceability, product description 3 smart card security 70 speaker location 7 removal 58 spare part number 13, 22, 58 specifications battery 76 computer 73 display 74 DVD/CD-RW Combo - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 126
79 system fan 71 system information 69 system memory map 83 system recovery points 100 WLAN module removal 37 spare part numbers 14, 20, 37 assignments 106 unknown password 29 USB legacy support 67, 71 V vents 9, 10 W Windows applications key 7 Windows logo key 7 wireless antennae disconnecting - HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 127
- HP 520 | HP 520 Notebook PC - Maintenance and Service Guide - Page 128
HP 520 Notebook PC
Maintenance and Service Guide