HP ProBook 5320m HP ProBook 5320m Notebook PC Maintenance and Service Guide
HP ProBook 5320m - Notebook PC Manual
View all HP ProBook 5320m manuals
Add to My Manuals
Save this manual to your list of manuals |
HP ProBook 5320m manual content summary:
- HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 1
HP ProBook 5320m Notebook PC Maintenance and Service Guide Document Part Number: 609313-001 June 2010 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; - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 2
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 products and services are set forth in the - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 3
Safety warning notice Å WARNING: To reduce the possibility of heat-related injuries or of overheating the computer, do not place the computer directly on your lap or obstruct the computer air vents. Use the computer only on a hard, flat surface. - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 4
3-2 Cable Kit 3-6 Display assembly subcomponents 3-7 Mass storage devices 3-8 Plastics Kit 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 - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 5
6-1 13.3-in display specifications 6-2 Hard drive specifications 6-3 6-4 7 Backup and recovery Backup and recovery in Windows 7 8-1 Overview 8-1 Backing up your information 8-1 Performing a recovery 8-3 Backup and recovery in Windows Vista 8-5 v Maintenance and Service Guide - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 6
out (headphone 8-1 External monitor 8-2 RJ-45 (network 8-3 Universal Serial Bus 8-4 9 Power cord set requirements Requirements for all countries and regions 9-1 Requirements for specific countries and regions 9-2 10 Recycling Battery 10-1 Display 10-1 Index Maintenance and Service Guide vi - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 7
Webcam 1 Product description Description HP ProBook 5320m Notebook PC ■ Intel® Dual Core i5-45M 2.40-GHz processor (Turbo up to 2.53 GHz), 3-M L3 cache, 4 threads (35W) ■ Intel Dual Core i3-370M 2.40-GHz processor, 3-M L3 cache, 4 threads (35W) ■ Intel Dual Core i3-350M 2.26-GHz processor, 3-M L3 - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 8
, 2.80-Ah battery Supports HP Fast Charge technology only on 6-cell battery Security cable slot HP fingerprint sensor (optional) Full-volume encryption Intel AT support HP face recognition Privacy filter Preboot authentication (password and smart card) (Continued) 1-2 Maintenance and Service Guide - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 9
Pro 2010 (Japan) ■ Windows 7 Pro 64 with Office 2007 Ready (EMEA region) ■ Windows 7 Pro 64 with Office 2010 Ready (APJ region) ■ Windows 7 Pro 64 with Home and Business 2010 (Japan) ■ Windows 7 Pro 64 Personal 2010 (Japan) ■ Windows 7 Pro 64 Pro 2010 (Japan) ■ Windows 7 Pro 32 (with Windows XP Pro - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 10
Basic 32 (Windows 7 Basic 32) Certified: ■ Microsoft WHQL Web-only support: ■ Windows Vista Enterprise 64 and 32 ■ Windows Vista Business End-user replaceable parts: AC adapter Battery (system) Hard drive Memory module SIM Solid-state drive WLAN module WWAN module 1-4 Maintenance and Service Guide - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 11
the security of your computer. You may be prompted for your permission or password for tasks such as installing software, running utilities, or changing Windows settings. Refer to Help and Support for more information. In Windows XP: 1. Select Start > My Computer. 2. In the left pane of the System - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 12
7 and Windows Vista) or Standby (Windows XP) if the display is closed while the power is on. Record sound. ✎ If there is a microphone icon next to each microphone opening, your computer has internal microphones. Records video and captures still photographs. 2-2 Maintenance and Service Guide - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 13
, 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. Maintenance and Service Guide 2-3 - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 14
the computer with the power button, the recommended procedure is to use the Windows Shut Down command. ■ When the computer is in the Sleep state (Windows 7 and Windows Vista) or Standby (Windows XP), press the button system to restart. Opens the Web browser. 2-4 Maintenance and Service Guide - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 15
key (3) Windows logo key (4) Windows applications key (5) Embedded numeric keypad keys (6) Function keys Description Displays system information in combination with a function key or the esc key. Displays the Windows Start menu. Displays a shortcut menu for items beneath the pointer. Can be - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 16
, such as a WLAN device, the HP Mobile Broadband Module (select models only), and/or a Bluetooth device, is on. ■ Amber: All wireless devices are off. Turns on briefly when the QuickLook button is pressed. Turns on briefly when the QuickWeb button is pressed. 2-6 Maintenance and Service Guide - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 17
the pointer and selects or activates items on the screen. (2) Left TouchPad button* Functions like the left Windows Vista: Select Start > Control Panel > Hardware and Sound > Mouse. ■ In Windows XP: Select Start > Control Panel > Printers and Other Hardware > Mouse. Maintenance and Service Guide - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 18
overheating. It is normal for the internal fan to cycle on and off during routine operation. Item Component (1) SD Card Reader (2) Combo headphone microphone jack (3) USB ports (2) (4) Security cable slot Description Supports from being mishandled or stolen. 2-8 Maintenance and Service Guide - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 19
Item Component (1) Battery light (2) Power connector (3) Vent (4) Powered USB port (5) DisplayPort (6) RJ-45 (network) jack Description ■ Amber: A battery is charging. ■ Blue: A battery is close to full charge capacity. ■ Blinking amber: A battery that is the only available power source has reached - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 20
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. Holds the hard drive and contains the memory module slot. Releases the battery from the battery bay. 2-10 Maintenance and Service Guide - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 21
important information that you may need when contacting technical support. ✎ Serial number label location, format, and color vary on select models. (1) Product name (2) Serial number (3) Product number Maintenance and Service Guide (4) Warranty period (5) Model description (select models only - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 22
Illustrated parts catalog Computer major components 3-2 Maintenance and Service Guide - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 23
13.3-in, high-definition (HD), LED, AntiGlare display assembly 618827-001 13.3-in, HD, LED, BrightView display assembly 618828-001 ✎ See "Display assembly subcomponents" on page 3-7 for display assembly internal component spare part information. Keyboard (includes keyboard and Service Guide 3-3 - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 24
581090-001 Rubber Feet Kit (not illustrated, includes 6 rubber feet and 2 display bezel screw covers) 581101-001 4-cell, 41-WHr, 2.8-Ah battery 580956-001 6-cell, 62-WHr, 2.8-Ah battery (supports HP Fast Charge Technology) 594796-001 Bluetooth module 537921-001 ✎ The Bluetooth module spare - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 25
Microsoft 64-bit operating systems) 598859-001 HSPA EV-DO WWAN module (does not support Linux Honduras, Hong Kong, Hungary, Iceland, India, Indonesia, Ireland, Italy, the Windows 7 operating system, 2 GB or 4 GB): ■ 128-GB 581085-001 ■ 80-GB 581086-001 Maintenance and Service Guide 3-5 - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 26
Illustrated parts catalog Cable Kit Item (1) (2) (3) Description Cable Kit: Power button board cable Bluetooth module cable USB board cable Spare part number 618826-001 3-6 Maintenance and Service Guide - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 27
4d) (5) Description Display bezel Webcam module Display Hinge Kit (includes left and right hinges) Display Cable Kit, includes: Display panel cable and antenna transceivers and cables WLAN antenna transceivers and cables Display enclosure (includes microphones and cables, WLAN antenna transceivers - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 28
rpm 618829-001 320-GB, 7200 rpm 581084-001 250-GB, 7200 rpm 581083-001 Solid-state drive (includes bracket), only with computer models running Windows 7 operating system, either 2 GB or 4 GB: 128-GB 581085-001 80-GB 581086-001 3-8 Maintenance and - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 29
Plastics Kit Item (1) (2) Description Plastics Kit: SD Card Reader slot bezel Accessory cover (includes 2 captive screws) Illustrated parts catalog Spare part number 618835-001 Maintenance and Service Guide 3-9 - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 30
PFC RC/V HP Smart Adapter 65-W PFC RC/V HP Slim Adapter (for use only in Japan) Power cord: For use in Australia For use in Denmark For use in Europe, the Middle East, and Africa For use in India For use -AD1 490371-111 490371-AB1 490371-031 490371-001 618838-001 3-10 Maintenance and Service Guide - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 31
Power cord for use in Taiwan Power cord for use in South Korea Power cord for use in South Africa Power cord for use in Israel Power cord for use in India HSPA EV-DO WWAN module (does not support Linux spare part number 618826-001. 4-cell, 41-WHr, 2.8-Ah battery Display Hinge Kit (includes left and - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 32
cell, 62-WHr, 2.8-Ah battery (supports HP Fast Charge technology) 1024-MB memory module (1333-MHz, DDR3, PC3-10600 Shared) (not available on Microsoft 64-bit Dual Core i3-370M 2.40-GHz processor, 3-M L3 cache, 4 threads (35W), for use in China and Russia System board with Intel® Dual Core i5-45M - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 33
keyboard cable) Keyboard for use in Japan (includes keyboard cable) Keyboard for use in Belgium (includes keyboard cable) Keyboard for use in the Czech Republic and Slovakia(includes keyboard cable) Keyboard for use in Taiwan (includes keyboard cable) (Continued) Maintenance and Service Guide 3-13 - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 34
Israel (includes keyboard cable) Keyboard for use in Switzerland (includes keyboard cable) Keyboard for use in Iceland (includes keyboard cable) Keyboard for use in Greece (includes keyboard cable) Keyboard for use in France and Arabia (includes keyboard cable) 3-14 Maintenance and Service Guide - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 35
parts Ä CAUTION: 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 Ä CAUTION: When servicing the computer, be sure that cables - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 36
Removal and replacement procedures Drive handling Ä CAUTION: Drives are circuits provide some protection, but in many cases, ESD contains enough power to alter device parameters or melt silicon junctions. A discharge of place it in an electrostatic-safe container. 4-2 Maintenance and Service Guide - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 37
replacement from vinyl tray Removing DIPS from Styrofoam Removing bubble pack from PCB Packing PCBs in foam-lined box 10% 35,000 V 12,000 V 6,000 V 2,000 V 11,500 V 14,500 V charging. When grounding is not possible, use an ionizer to dissipate electric charges. Maintenance and Service Guide 4-3 - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 38
contact with pins, leads, or circuitry. ■ Turn off power and input signals before inserting or removing connectors or test equipment. Equipment guidelines Grounding equipment must include either a wrist mats 7,500 V Metallized laminate Floor mats 5,000 V 4-4 Maintenance and Service Guide - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 39
when servicing the computer. Make special note of each screw size and location during removal and replacement. Serial number location The serial number location, located on the bottom of the computer, provides important information that you may need when contacting technical support. ✎ Serial - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 40
Removal and replacement procedures Computer feet The computer feet are adhesive-backed rubber pads. The feet are included in the Rubber Feet Kit, spare feet 1 in the corners of the computer are larger than the two rubber feet 2 in the middle of the computer. 4-6 Maintenance and Service Guide - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 41
Removal and replacement procedures Description 4-cell, 41-WHr, 2.8-Ah battery 6-cell, 62-WHr, 2.8-Ah battery (supports HP Fast Charge technology) Spare part number 580956-001 594796-001 Before removing the battery, follow these steps: 1. Shut down the computer. If you are unsure whether the - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 42
, and then replaced when the computer battery (see "Battery" on page 4-7). Remove the SIM: 1. Press in on the SIM 1 to release it from the SIM slot. 2. Remove the SIM 2 from the SIM slot. Install the SIM by inserting it into the SIM slot until you hear a click. 4-8 Maintenance and Service Guide - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 43
replacement 001 Solid-state drive (only with computer models running Windows 7 operating system, either 2 GB or 4 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 Service Guide 4-9 - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 44
Removal and replacement procedures 5. Loosen the Phillips PM2.5×11.0 captive screw 1 that secures the mass storage device in the mass storage device bay 2 to disconnect it from the system board. 8. Remove the mass storage device 3 from the mass storage device bay. 4-10 Maintenance and Service Guide - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 45
procedures 9. If it is necessary to replace the mass storage device bracket, follow these steps: a. Remove the four Phillips PM3.0×4.0 screws 1 that secure the from the mass storage device. Reverse this procedure to reassemble and install the mass storage device. Maintenance and Service Guide 4-11 - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 46
Removal and replacement procedures Bluetooth module ✎ The Bluetooth 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" base enclosure. 4-12 Maintenance and Service Guide - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 47
2. Disconnect the Bluetooth module cable from the Bluetooth module. Removal and replacement procedures 3. Remove the Bluetooth module. Reverse this procedure to install the Bluetooth module. Maintenance and Service Guide 4-13 - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 48
, India, 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 4-7). 5. Remove the accessory cover (see "Mass storage device" on page 4-9). 4-14 Maintenance and Service Guide - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 49
black WLAN antenna cable is connected to the WLAN module "Main" terminal. The white WLAN antenna cable is connected to the WLAN module "Aux" terminal. 3. Remove the Phillips PM2.5×4.0 screw that secures the WLAN module to the system board. (The WLAN module tilts up.) Maintenance and Service Guide - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 50
Removal and replacement procedures 4. Remove the WLAN module by pulling it away from the slot at an angle. ✎ WLAN modules are designed with a on the antenna connectors, as shown in the following illustration. Reverse this procedure to install the WLAN module. 4-16 Maintenance and Service Guide - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 51
and replacement procedures Description UNDP HSPA EV-DO WWAN module (does not support Linux operating system 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 Service Guide 4-17 - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 52
Removal and replacement procedures 3. Remove the Phillips PM2.5×4.0 screw that secures the WWAN module to the system board. (The WWAN module tilts up.) modules are designed with a notch to prevent incorrect insertion of the WWAN module into the WWAN module slot. 4-18 Maintenance and Service Guide - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 53
and replacement procedures ✎ If the WWAN antennas are not connected to the terminals on the WWAN module, the protective sleeves must be installed on the antenna connectors, as shown in the following illustration. Reverse this procedure to install the WWAN module. Maintenance and Service Guide 4-19 - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 54
Remove the RTC battery: 1. Disconnect the RTC battery cable 1 from the system board. 2. Detach the RTC battery 2 from the system board. (The RTC battery is attached to the system board with double-sided tape.) Reverse this procedure to install the RTC battery. 4-20 Maintenance and Service Guide - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 55
Removal and replacement procedures Description Spare part number 4096-MB memory module (1333-MHz, DDR3, PC3-10600 Shared) 599092-001 2048-MB memory module (1333-MHz, DDR3, PC3-10600) 581096-001 1024-MB memory module (1333-MHz, DDR3, PC3-10600 Shared) (not available on Microsoft 64-bit 598859 - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 56
Removal and replacement procedures Ä CAUTION: To prevent damage to the memory module, hold it by the edges only. Do not touch the components a notch to prevent incorrect insertion into the memory module slot. Reverse this procedure to install a memory module. 4-22 Maintenance and Service Guide - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 57
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 4-7). 5. Remove the accessory cover (see "Mass storage device" on page 4-9). Maintenance and Service Guide 4-23 - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 58
screw 2 in the battery bay 3. Turn the computer display-side up, with the front toward you. 4. Open the computer as far as possible. 5. Slide the keyboard 1 back until it rests on the display. 6. Lift the rear edge of the keyboard 2 until it rests at an angle. 4-24 Maintenance and Service Guide - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 59
and replacement procedures 7. Release the zero insertion force (ZIF) connector 1 to which the keyboard cable is attached, disconnect the keyboard cable 2 from the system board, and then remove the keyboard 3. Reverse this procedure to install the keyboard. Maintenance and Service Guide 4-25 - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 60
Removal and replacement procedures Button board and cable Description 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 -sided tape.) 4-26 Maintenance and Service Guide - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 61
Removal and replacement procedures 3. Remove the Torx T8M2.5×4.0 screw that secures the button board to the top cover. 4. Lift the button board to the top cover. 5. Remove the button board and cable. Reverse this procedure to install the button board and cable. Maintenance and Service Guide 4-27 - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 62
replacement 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 screws: ❏ Three Torx T8M2.5×5.0 screws 1 in the battery bay ❏ Three Torx T8M2.5×6.0 screws 2 in the mass storage device bay ❏ - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 63
replacement procedures 3. Turn the computer display-side up, with the front toward you. 4. Open the computer as far as possible. 5. Release the ZIF connector 1 to which the power button board cable is attached, and then disconnect the power to the base enclosure. Maintenance and Service Guide 4-29 - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 64
Removal and replacement procedures 8. Lift the rear edge 1 of the top cover until it detaches from the base enclosure. 9. Remove the top cover 2 by lifting it straight up. Reverse this procedure to install the top cover. 4-30 Maintenance and Service Guide - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 65
the system board. 3. Remove the two Torx T8M2.5×6.0 screws 3 that secure the power button board to the base enclosure. 4. Remove the power button board and cable 4 by lifting them straight up. Reverse this procedure to install the power button board and cable. Maintenance and Service Guide 4-31 - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 66
Removal and replacement procedures Bluetooth module cable ✎ 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 the Bluetooth module cable. 4-32 Maintenance and Service Guide - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 67
and replacement thermal material. Description Intel® Dual Core i5-45M 2.40-GHz processor (Turbo up to 2.53 GHz), 3-M L3 cache, 4 threads (35W) Intel® Dual Core i5-45M 2.40-GHz processor (Turbo up to 2.53 GHz), 3-M L3 cache, 4 threads (35W), for use in China and Russia Intel Dual Core i3-370M - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 68
. 6. Disconnect the display panel cable 2 from the system board. 7. Release the ZIF connector 3 to which the power button board board cable is attached, and then disconnect the cable from the system board. 8. Disconnect the power cable 4 from the system board. 4-34 Maintenance and Service Guide - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 69
that secure the system board to the base enclosure. 10. Lift the left side of the system board 1 until it rests at an angle. 11. Remove the system board 2 by sliding it away from the base enclosure at an angle. Reverse this procedure to install the system board. Maintenance and Service Guide 4-35 - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 70
. The fan is controlled by a temperature sensor and is designed to turn on automatically when high temperature conditions exist. These conditions are affected by high external temperatures, system power consumption, power management/battery conservation configurations, battery fast charging, and - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 71
and replacement procedures Remove the fan and heat sink: 1. Turn the system board upside down, with the front toward you. 2. Disconnect the fan cable heat sink, loosen the four Torx T8M2.0×7.0 captive screws 2 that secure the fan and heat sink to the system board. ✎ Due to the adhesive quality of - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 72
on the Northbridge chip 3 and the heat sink section 4 that services it. Replacement thermal material is included with all system board and heat sink spare part kits. 5. Lift the fan straight up to remove it from the heat sink. (The fan is attached to the heat sink with double-sided tape.) Reverse - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 73
assembly Removal and replacement procedures Description Speaker assembly 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 speaker assembly. Maintenance and Service Guide 4-39 - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 74
Removal and replacement procedures USB board Description USB board ( 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 install the USB board. 4-40 Maintenance and Service Guide - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 75
on page 4-33) Remove the battery eject arm: 1. Turn the base enclosure upside down, with the front toward you. 2. Use a flat-bladed screw driver 1 or similar tool to release the battery eject latch from the base enclosure. 3. Remove the the battery eject latch 2. Maintenance and Service Guide 4-41 - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 76
spring 1 from the tab built into the base enclosure. 5. Remove the two Phillips PM2.5×4.0 broadhead screws 2 that secure the battery eject arm to the base enclosure. 6. Remove the the battery eject arm 3. Reverse this procedure to install the battery eject arm. 4-42 Maintenance and Service Guide - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 77
and replacement procedures Display assembly ✎ The display assembly spare part kit includes 2 WLAN antenna transceivers and cables, 2 WWAN antenna transceivers and cables, webcam, nameplate, and logo. Description 13.3-in, HD, LED, AntiGlare display assembly 13.3-in, HD, LED, BrightView display - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 78
up and remove it. 4. If it is necessary to replace the display bezel or any of the display assembly internal components: a. Remove the two rubber screw covers 1 and the two Phillips PM2.5×5.0 screws 2 that secure the display bezel to the display enclosure. 4-44 Maintenance and Service Guide - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 79
module cable allows. (The webcam module is attached to the display enclosure with double-sided tape.) b. Disconnect the webcam module cable 2 from the webcam module. c. Remove the webcam module. The webcam module is available using spare part number 618842-001. Maintenance and Service Guide 4-45 - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 80
necessary to replace the display hinges: a. Remove the eight Torx T8M2.5×4.0 screws 1 that secure the display hinges to the display enclosure. b. Remove the display hinges 2. The display hinges are available in the Display Hinge Kit, spare part number 581094-001. 4-46 Maintenance and Service Guide - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 81
7. If it is necessary to replace the display panel cable: a. Lift the top edge of the display panel 1 until it detaches from the display enclosure. b. Release the support bar 2 that secures the display panel cable connector to the display panel. c. Disconnect the display panel cable 3 from the - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 82
it is necessary to replace the WWAN antenna transceivers and cables: a. Detach the WWAN antenna transceivers 1 from the display enclosure. (The transceivers routing channels built into the left and right sides of the display enclosure. c. Remove the WWAN wireless antenna transceivers and cables. The - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 83
the WLAN wireless antenna transceivers and cables. The wireless antenna transceivers and cables are included in the Display Cable Kit, spare part number 618833-001. 10. If it is necessary to replace the microphones and cables: a. Release the microphone receivers 1 from the clips built into the - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 84
Removal and replacement procedures 4-50 Maintenance and Service Guide - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 85
-screen instructions. ✎ You can use either a pointing device (TouchPad, pointing stick, or USB mouse) or the keyboard to navigate and make selections in Computer Setup. 2. Press f10 to enter BIOS Setup. 3. Select the File, Security, Diagnostics, or System Configuration menu. Maintenance and Service - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 86
while the "Press the ESC key for Startup Menu" message is displayed at the bottom of the screen. 2. Press f10 to enter BIOS Setup. 3. Use a pointing device or the arrow keys to select File > Restore Defaults. 4. Follow the on-screen instructions. 5. To save your changes and exit, click the Save icon - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 87
reset of HP ProtectTools security keys. Change Password Enter, change, or delete a BIOS administrator password. HP SpareKey Enrollment Enroll or reset HP SpareKey, which is a set of security questions and answers used if you forget your password. (Continued) Maintenance and Service Guide - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 88
system components needed for starting the computer. ■ F3 Run-In Test-Runs a comprehensive check on system memory. ■ F4 Hard Disk Test-Runs a comprehensive self-test on any hard drive in the system. ■ F5 Error Log-Displays a log file if any errors have occurred. 5-4 Maintenance and Service Guide - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 89
). When enabled, USB legacy support allows the following: ❐ Use of a USB keyboard in Computer Setup even when a Windows operating system is not running. ❐ Startup from bootable USB devices, including a hard drive, diskette drive, or optical drive connected by a USB port to the computer. ■ Select - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 90
Notebook port. Ä Disabling the USB port also disables MultiBay devices and ExpressCard devices on the advanced port replicator. ■ Enable/disable the 1394 port. Change, view, or hide security levels for all BIOS menu items. Restore the default security settings. 5-6 Maintenance and Service Guide - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 91
guide may not be supported by your computer. ✎ An external keyboard or mouse connected to a USB port can be used with Computer Setup only if USB legacy support click the Exit icon in the lower-left corner of the screen, and then follow the on-screen instructions. - or - Use the tab key and the arrow - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 92
be supported by your computer. File menu Select System Information Restore Defaults Reset BIOS security to factory default Ignore Changes and Exit Save Changes and Exit To do this ■ View identification information for the computer and the batteries in the system. ■ View specification information - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 93
(select models only; disabled by default). Allow reset of HP ProtectTools security keys Enable/disable reset of HP ProtectTools security keys. Change Password Enter, change, or delete a BIOS administrator password. HP SpareKey Enrollment Enroll or reset HP SpareKey, which is a set of security - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 94
connected by a USB port to the computer. ■ Select a parallel port mode: ECP (Enhanced Capabilities Port), standard, bidirectional, or EPP (Enhanced Parallel Port). ■ Enable/disable fan always on while connected to an AC outlet (enabled by default). (Continued) 5-10 Maintenance and Service Guide - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 95
computer security. ■ Enable/disable LAN Power Save (select models only). When enabled, saves power by turning off the LAN when . ■ Enable/disable secondary battery fast charge (enabled by default). ■ Enable/disable HP QuickLook 3 (enabled by default ). (Continued) Maintenance and Service Guide 5-11 - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 96
the USB port. Ä Disabling the USB port also disables MultiBay devices and ExpressCard devices on the advanced port replicator. ■ Enable/disable the 1394 port. Change, view, or hide security levels for all BIOS menu items. Restore the default security settings. 5-12 Maintenance and Service Guide - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 97
guide may not be supported by your computer. ✎ An external keyboard or mouse connected to a USB port can be used with Computer Setup only if USB legacy support click the Exit icon in the lower-left corner of the screen, and then follow the on-screen instructions. - or - Use the tab key and the arrow - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 98
be supported by your computer. File menu Select System Information Restore Defaults Reset BIOS security to factory default Ignore Changes and Exit Save Changes and Exit To do this ■ View identification information for the computer and the batteries in the system. ■ View specification information - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 99
(select models only; disabled by default). Allow reset of HP ProtectTools security keys Enable/disable reset of HP ProtectTools security keys. Change Password Enter, change, or delete a BIOS administrator password. HP SpareKey Enrollment Enroll or reset HP SpareKey, which is a set of security - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 100
system components needed for starting the computer. ■ F3 Run-In Test-Runs a comprehensive check on system memory. ■ F4 Hard Disk Test-Runs a comprehensive self-test on any hard drive in the system. ■ F5 Error Log-Displays a log file if any errors have occurred. 5-16 Maintenance and Service Guide - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 101
). When enabled, USB legacy support allows the following: ❐ Use of a USB keyboard in Computer Setup even when a Windows operating system is not running. ❐ Startup from bootable USB devices, including a hard drive, diskette drive, or optical drive connected by a USB port to the computer. ■ Select - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 102
Notebook port. Ä Disabling the USB port also disables MultiBay devices and ExpressCard devices on the advanced port replicator. ■ Enable/disable the 1394 port. Change, view, or hide security levels for all BIOS menu items Restore the default security settings. 5-18 Maintenance and Service Guide - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 103
unpressurized) Operating -15 m to 3,048 m -50 ft to 10,000 ft Nonoperating -15 m to 12,192 m -50 ft to 40,000 ft ✎ Applicable product safety standards specify thermal limits for plastic surfaces. The computer operates well within this range of temperatures. Maintenance and Service Guide 6-1 - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 104
Specifications 13.3-in display specifications Dimensions Height Width Diagonal Number of colors Contrast ratio Brightness Pixel resolution Pitch Format Configuration Backlight Character display Total power consumption Viewing angle Metric U.S. 17.8 cm 28.4 cm 33.6 cm Up to 16.8 million 250:1 ( - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 105
55°C (41°F to 131°F) *1 GB = 1 billion bytes when referring to hard drive storage capacity. Actual accessible capacity is less. Actual drive specifications may differ slightly. ✎ Certain restrictions and exclusions apply. Contact technical support for details. Maintenance and Service Guide 6-3 - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 106
Specifications 6-4 Maintenance and Service Guide - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 107
. ■ Back up templates that are stored in their associated programs. ■ Save customized settings that appear in a window, toolbar, or menu bar by taking a screen shot of your settings. The screen shot can be a time-saver if you have to reset your preferences. Maintenance and Service Guide 7-1 - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 108
the User Account Control feature to improve the security of your computer. You may be prompted for your permission or password for tasks such as installing software, running utilities, or changing Windows settings. Refer to Help and Support for more information. 7-2 Maintenance and Service Guide - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 109
, and then press f8 before the Windows operating system loads. 4. Select Startup Repair. 5. Follow the on-screen instructions. ✎ For additional information on recovering information using the Windows tools, perform a search for these topics in Help and Support. Maintenance and Service Guide 7-3 - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 110
Windows 7 operating system DVD into the optical drive before the Windows operating system loads. 3. When prompted, press any keyboard key. 4. Follow the on-screen instructions. 5. Click Next. 6. Select Repair your computer. 7. Follow the on-screen instructions. 7-4 Maintenance and Service Guide - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 111
shot can be a time-saver if you have to reset your preferences. To create a screen shot: a. Display the screen you want to save. b. Copy the screen image: To 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 - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 112
the User Account Control feature to improve the security of your computer. You may be prompted for your permission or password for tasks such as installing software, running utilities, or changing Windows settings. Refer to Help and Support for more information. 7-6 Maintenance and Service Guide - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 113
or restart the computer, and then press esc while the "Press the ESC key for Startup Menu" message is displayed at the bottom of the screen. 4. Press f11 while the "Press for recovery" message is displayed on the screen. 5. Follow the on-screen instructions. Maintenance and Service Guide 7-7 - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 114
Vista operating system DVD into the optical drive before the Windows operating system loads. 3. When prompted, press any keyboard key. 4. Follow the on-screen instructions. 5. Click Next. 6. Select Repair your computer. 7. Follow the on-screen instructions. 7-8 Maintenance and Service Guide - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 115
connected to AC power before you start the backup process. The backup process may take over an hour, depending on file size and the speed of the computer. 1. Select Start > All Programs > Accessories > System Tools > Backup. 2. Follow the on-screen instructions. Maintenance and Service Guide 7-9 - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 116
. 5. Follow the on-screen instructions to install the operating system. 6. After the operating system is installed, remove the Operating System disc and insert the Driver Recovery disc. 7. Follow the on-screen instructions to install the drivers and programs. 7-10 Maintenance and Service Guide - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 117
Audio-in (microphone) 8 Connector pin assignments Pin 1 2 3 Audio-out (headphone) Signal Audio signal in Audio signal in Ground Pin Signal 1 Audio out, left channel 2 Audio out, right channel 3 Ground Maintenance and Service Guide 8-1 - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 118
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 8-2 Maintenance and Service Guide - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 119
RJ-45 (network) Pin Signal 1 Transmit + 2 Transmit - 3 Receive + 4 Unused 5 Unused 6 Receive - 7 Unused 8 Unused Connector pin assignments Maintenance and Service Guide 8-3 - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 120
Connector pin assignments Universal Serial Bus Pin Signal 1 +5 VDC 2 Data 3 Data + 4 Ground 8-4 Maintenance and Service Guide - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 121
of 125 or 250 V AC, as required by the power system of each country or region. ■ The appliance coupler must meet the mechanical configuration of an EN 60 320/IEC 320 Standard Sheet C13 connector for mating with the appliance inlet on the back of the computer. Maintenance and Service Guide 9-1 - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 122
Power cord set requirements Requirements for specific 3-conductor, 1.0-mm² conductor size. Power cord set fittings (appliance coupler and , 0.75-mm² conductor size. Power cord set fittings (appliance coupler and 3-conductor, 0.75-mm² conductor size. Power cord set fittings (appliance coupler and wall - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 123
liquid crystal display (LCD) panel 2. ✎ The procedures provided in this chapter 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. Maintenance and Service Guide 10-1 - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 124
screws 2 that secure the display bezel to the display assembly. 2. Lift up and out on the left and right inside edges 1 and the top and bottom inside edges 2 of the display bezel until the bezel disengages from the display assembly. 3. Remove the display bezel 3. 10-2 Maintenance and Service Guide - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 125
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 down. 8. Remove all screws that secure the display panel frame to the display panel. Maintenance and Service Guide 10-3 - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 126
secure the backlight cover to the display panel. 12. Lift the top edge of the backlight cover 2 and swing it outward. 13. Remove the backlight cover. 14. Turn the display panel right-side up. 15. Remove the backlight cables 1 from the clip 2 in the display panel. 10-4 Maintenance and Service Guide - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 127
backlight frame from the display panel. Å WARNING: The backlight contains mercury. Exercise caution when removing and handling the backlight to avoid damaging this component and causing exposure to the mercury. 18. Remove the backlight from the backlight frame. Maintenance and Service Guide 10-5 - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 128
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 to the display rear panel. 23. Remove the LCD panel. 24. Recycle the LCD panel and backlight. 10-6 Maintenance and Service Guide - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 129
8-6 base enclosure, spare part number 3-4, 3-12 battery removal 4-7 spare part number 3-4, 3-11, 3-12, 4-7 battery bay 2-10 battery eject arm removal 4-41 spare part number 4-41 battery light 2-9 battery release latch 2-10 BIOS administrator password 5-15 Bluetooth module removal 4-12 spare part - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 130
Index USB port 8-4 connectors, service considerations 4-1 creating a backup 8-5 D device configurations 5-5, 5-6, 5-10, 5-11, 5-17, 5-18 Diagnostics menu 5-4, 5-10, 5-16 Disk Sanitizer 5-15 display assembly removal 4-43 spare part numbers 3-3, 3-13, 4-43 display bezel illustrated 3-7, 3-13 removal - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 131
1-1 display panel 1-1 Ethernet 1-2 external media card 1-2 graphics 1-1 hard drive 1-1 keyboard 1-2 memory 1-1 microphone 1-1 operating system 1-3 pointing device 1-2 ports 1-2 power requirements 1-2 processor 1-1 security 1-2 serviceability 1-4 webcam 1-1 wireless 1-2 Maintenance and Service Guide - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 132
2-4 QuickLook light 2-6 QuickWeb button 2-4 QuickWeb light 2-6 R recovering information 8-6 recovery partition 8-7 recovery, system 8-1 recycling battery 10-1 display components 10-1 removal/replacement preliminaries 4-1 procedures 4-5 restoring factory settings 5-3, 5-14 restoring security defaults - HP ProBook 5320m | HP ProBook 5320m Notebook PC Maintenance and Service Guide - Page 133
, product description 1-2 WLAN module removal 4-14 spare part numbers 3-5, 3-11, 3-12, 4-14 workstation guidelines 4-4 WWAN module removal 4-17 spare part number 3-5, 3-11, 4-17 Maintenance and Service Guide Index-5
HP ProBook 5320m Notebook PC
Maintenance and Service Guide
Document Part Number: 609313-001
June 2010
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.