HP 6820s HP Compaq 6820s Notebook PC - Maintenance and Service Guide
HP 6820s - Compaq Business Notebook Manual
UPC - 883585963447
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- HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 1
HP Compaq 6820s Notebook PC Maintenance and Service Guide - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 2
and Windows Vista are either trademarks or registered trademarks of Microsoft Corporation in the United States and/or other countries. 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 - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 3
February 2010 Description The top cover, part number 457616-001, does not include the TouchPad board and cable or the TouchPad button board and cable. This information has been updated in the following locations: Computer major components on page 12, Sequential part number listing on page 22, and - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 4
iv MSG revision history - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 5
or rugs or clothing, to block airflow. Also, do not allow the AC adapter to contact the skin or a soft surface, such as pillows or rugs or clothing, during operation. The computer and the AC adapter comply with the user-accessible surface temperature limits defined by the International Standard for - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 6
vi Safety warning notice - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 7
location ...11 Computer major components ...12 Plastics Kit ...18 Cable Kit ...19 Mass storage devices ...20 Miscellaneous parts ...21 Sequential part number listing ...22 4 Removal and replacement procedures Preliminary replacement requirements 27 Tools required ...27 Service considerations ...27 - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 8
Restoring factory settings in Computer Setup 76 Computer Setup menus ...77 File menu ...77 Security menu ...78 Diagnostics menu ...78 System Configuration menu 79 6 Specifications Computer specifications ...80 17.0-inch, WXGA display specifications 81 Hard drive specifications ...82 DVD±RW and CD - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 9
System memory map specifications 10.0 captive screw 109 8 Backup and recovery Creating recovery discs in Windows Vista 110 Backing up your information in Windows Vista 111 When to back up ...111 Backup suggestions ...111 Backing up specific files or folders 112 Backing up the entire hard drive - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 10
in Windows 121 Initiating a recovery from the hard drive recovery partition 122 9 Connector pin assignments Audio-out (headphone) ...123 Audio-in (microphone) ...123 External monitor ...124 RJ-11 (modem) ...125 RJ-45 (network) ...125 Universal Serial Bus ...126 10 Power cord set requirements - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 11
description Category Product Name Processors Chipset Graphics Panel Description HP Compaq 6820s Notebook PC Intel® Core™ 2 Duo processors ● T9300 2.50-GHz processor, 6-MB L2 cache, 800-MHz FSB ● T8300 2.40-GHz processor, 3-MB L2 cache, 800-MHz FSB ● T8100 2.10-GHz processor, 3-MB L2 cache, 800 - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 12
● 80-GB, 5400-rpm HP 3D DriveGuard Fixed (removal of 1 screw required) Customer-accessible Parallel ATA 12.7-mm tray load Support for the following drives: ● DVD±RW and CD-RW Super Multi Double-Layer Combo Drive with LightScribe ● DVD±RW and CD-RW Super Multi Double-Layer Combo Drive ● Blu-ray Disc - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 13
/g (not available on computer models equipped with Intel Celeron M processors) Integrated personal area network (PAN) options by way of Bluetooth® module: Support for no-WPAN option Broadcom Bluetooth 2.0+EDR One ExpressCard/54 slot SD/MMC Card Reader supporting Secure Digital (SD) Memory Card and - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 14
® XP Professional FreeDOS Restore media: Windows Vista Basic 32 Windows Vista Home Premium Windows Vista Business 32 Windows XP Professional DRDVD Vista Certified: Microsoft® WHQL End-user replaceable parts: AC adapter Battery (system) Hard drive Memory module Optical drive WLAN module 4 Chapter - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 15
button* Functions like the right button on an external mouse. (4) TouchPad scroll zone Scrolls up or down. *This table describes factory settings. View or change pointing device preferences as follows: ● In Windows Vista, select Start > Control Panel > Hardware and Sound > Mouse. ● In - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 16
seconds to turn off the computer. To learn more about your power settings, follow these steps: ● In Windows Vista, select Start > Control Panel > System and Maintenance > Power Options. ● In Windows XP, select Start > Control Panel > Performance and Maintenance > Power Options. 6 Chapter 2 External - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 17
Sleep state (Windows Vista) or Standby (Windows XP). ● Off: The computer is off or in Hibernation. Produces sound. Item (1) Component esc key (2) fn key (3) Windows logo key (4) Windows applications key (5) Numeric keypad keys (6) Function keys Function Displays system information when - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 18
optional powered stereo speakers, headphones, ear buds, a headset, or television audio. Connects an optional computer headset microphone, stereo array microphone, or monaural microphone. Supports the following optional digital card formats: SD Memory Card and MMC. Item (1) Component Optical drive - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 19
source, the light turns off when all batteries in the computer are fully charged. If the computer is not plugged into an external power source, the light stays off until the battery reaches a low battery level. Supports optional ExpressCards. Connects a modem cable. Enables airflow to cool internal - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 20
in the computer by the governmental agency that regulates wireless devices in your country or region. If you install the module and then receive a warning message, remove the module to restore computer functionality, and then contact technical support through Help and Support. 10 Chapter 2 External - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 21
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 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 22
Computer major components 12 Chapter 3 Illustrated parts catalog - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 23
Display internal components: Display enclosure (includes display bezel, 2 WLAN antenna transceivers and cables) Display hinges (includes left and right hinges) Display Kingdom For use in the United States Speaker Spare part number 456582-001 456583-001 456586-001 456584- Computer major components 13 - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 24
Plastics Kit spare part information): ExpressCard slot bezel WLAN module compartment cover (includes one captive screw, secured by a C-clip) Memory module compartment cover (includes one captive screw, secured by a C-clip) Hard drive bay cover (includes 2 captive screws, secured by C-clips) TouchPad - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 25
-001 Intel Celeron M processors: ● 550 2.00-GHz (1-MB L2 cache, 533-MHz FSB) ● 540 1.86-GHz (1-MB L2 cache, 533-MHz FSB) ● 530 1.73-GHz (1-MB L2 cache, 533-MHz FSB) 446888-001 446889-001 459462-001 RTC battery 449137-001 Modem module 441074-001 NOTE: The modem module spare part kit does not - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 26
part number ● For use in Afghanistan, Albania, Algeria, Andorra, Angola, Antigua and Barbuda, 441075-002 Argentina, Armenia, Aruba, Australia 802.11a/b/g WLAN modules: For use with computer models equipped with Intel Core Duo 2 and Intel Celeron M processors: ● For use in Antigua & Barbuda, - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 27
-001 DVD±RW and CD-RW Double-Layer Combo Drive 456798-001 Blu-ray Disc ROM and SuperMulti DVD±R/RW Double-Layer Drive 456580-001 DVD/CD-RW Combo Drive 456797-001 Cable Kit (not illustrated; see Cable Kit on page 19 for more Cable Kit spare part number information) 456594-001 Computer major - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 28
Plastics Kit: (1) Hard drive bay cover (includes 2 captive screws, secured by C-clips) (2) WLAN module compartment cover (includes one captive screw, secured by a C-clip) (3) ExpressCard slot bezel (4) Memory module compartment cover (includes one captive screw, secured by a C-clip) Spare part - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 29
Cable Kit Item Description Cable Kit: (1) RJ-11 jack cable (2) Display lid switch module and cable (3) Bluetooth module cable Spare part number 457615-001 Cable Kit 19 - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 30
Description (1) Optical drives (include bezel and bracket) DVD±RW and CD-RW Super Multi Double-Layer Combo Drive with LightScribe DVD±RW and CD-RW Super Multi Double-Layer Combo Drive Blu-ray Disc ROM and SuperMulti DVD±R/RW Double-Layer Drive DVD/CD-RW Combo Drive (2) Hard drives (include bracket - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 31
Miscellaneous parts Description 90-W AC adapter Logo Kit Nylon carrying case USB 1.1 diskette drive Power cords: For use in Australia For use in Denmark For use in Europe, the Middle East, and Africa For use in Israel For use in Italy For use in Switzerland - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 32
in Denmark 342714-AG1 Power cord for use in Switzerland 342714-BB1 Power cord for use in Israel 359118-001 398393-002 USB 1.1 diskette drive Bluetooth module for use in North America 414045-001 414046-001 417506-001 431312-001 441074-001 NOTE: The Bluetooth module spare part kit does not include - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 33
Spare part number 441075-002 441082-001 441082-002 441086-001 441086-002 441090-001 Description Broadcom 802.11a/b/g WLAN module for use in Afghanistan, Albania, Algeria, Andorra, Angola, Antigua and Barbuda, Argentina, Armenia, Aruba, Australia, Austria, Azerbaijan, the Bahamas, Bahrain, - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 34
Kingdom, and Uzbekistan Intel Core 2 Duo 5470 1.60-GHz processor (2-MB L2 cache, 800-MHz FSB) Blu-ray Disc ROM and SuperMulti DVD±R/RW Double-Layer Drive Switch cover (includes button board and cable) 17.0-inch WXGA display assembly with AntiGlare (includes 2 wireless antenna transceivers and cables - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 35
board with 64-MB DDR2 graphics subsystem memory (includes replacement thermal material) 456613-001 System board with 128-MB DDR2 graphics subsystem memory (includes replacement thermal material) 456614-001 Plastics Kit (see Plastics Kit on page 18 for more Plastics Kit spare part information - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 36
Cable Kit spare part information) Top cover TouchPad board (includes cable) TouchPad Miscellaneous Kit (includes TouchPad bracket and TouchPad button board actuators) Base enclosure (includes 6 rubber feet) Battery connector board Display inverter 90-W AC adapter Intel Celeron 530 1.73-GHz processor - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 37
) away from the work area to prevent damage. 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. Preliminary replacement requirements 27 - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 38
cannot be caught or snagged by parts being removed or replaced. Handle flex cables with extreme care; these cables tear easily. Drive handling CAUTION: Drives are fragile components that must be handled with care. To prevent damage to the computer, damage to a drive, or loss of information, observe - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 39
enough power to computer when you are removing 10% 40% 35,000 V 15,000 V 12,000 V 5,000 V 6,000 V 800 V 2,000 V 700 V 11,500 V 4,000 V 14,500 V 5,000 V 26,500 V 20,000 V 21,000 V 11,000 V 55% 7,500 V 3,000 V 400 V 400 V 2,000 V 3,500 V 7,000 V 5,000 V Preliminary replacement - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 40
service tools parts, and assemblies by the case or PCM laminate. Handle these items only at static-free workstations. ● Avoid contact with pins, leads, or circuitry. ● Turn off power and input signals before inserting or removing connectors or test equipment. 30 Chapter 4 Removal and replacement - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 41
are flexible straps with a minimum of one megohm ±10% resistance in the ground cords. To provide proper ground, wear a strap snugly against cords of one megohm resistance ● Static-dissipative tables or floor mats with hard ties to the ground ● Field service kits Preliminary replacement requirements 31 - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 42
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 35). 5. Remove the real-time clock (RTC) battery (see RTC battery on page 73). 6. Wait approximately 5 minutes. 7. Replace the RTC battery - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 43
different sizes, that must be removed, replaced, or loosened when servicing the computer. Make special note of each screw size and location during removal and replacement. Serial number Report the computer serial number to HP when requesting information or ordering spare parts. The serial number is - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 44
Computer feet The computer feet are adhesive-backed rubber pads. The feet are included in the Rubber Kit, spare part number 456616-001. There are 6 rubber feet that attach to the base enclosure in the locations illustrated below. 34 Chapter 4 Removal and replacement procedures - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 45
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. Remove the battery: 1. Turn the computer upside down on a flat surface, with the - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 46
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 35). Remove the hard drive: 1. Position the computer with the front - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 47
Mylar tab (2) on the hard drive and slide the hard drive (3) to the left to disconnect it from the system board. 6. Remove the hard drive (4) from the hard drive bay. 7. If it is necessary to replace the hard drive bracket, remove the two Phillips PM3.0×4.0 hard drive bracket screws (1) from each - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 48
Spare part number Intel Barbuda, Argentina, 441075-002 Armenia, Aruba, Australia, Austria, Azerbaijan, the Bahamas, Bahrain, Bangladesh modules: For use with computer models equipped with Intel Core Duo 2 and Intel Celeron M processors: ● For use in Chapter 4 Removal and replacement procedures - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 49
part number For use only with computer models equipped with Intel Core Duo 2 processors Aruba, Australia, Austria, replace the module and then receive a warning message, remove the module to restore computer functionality, and then contact technical support through Help and Support. Before removing - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 50
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 35). Remove the WLAN module: 1. Position the computer with the front toward you. 2. Loosen the Phillips PM2 - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 51
power cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 35). Remove the memory module: 1. Loosen the Phillips PM2.0×5.0 captive screw (1) that secures the memory module compartment cover to the computer. Component replacement - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 52
. Reverse this procedure to install a memory module. Optical drive NOTE: All optical drive spare part kits include an optical drive bezel. Description DVD±RW and CD-RW Super Multi Double-Layer Combo Drive with LightScribe 42 Chapter 4 Removal and replacement procedures Spare part number 456799-001 - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 53
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 35). Remove the optical drive: 1. Position the computer with the right - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 54
7. Remove the optical drive bracket (2). Reverse this procedure to reassemble and install an optical drive. 44 Chapter 4 Removal and replacement procedures - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 55
. 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 35). Component replacement procedures 45 - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 56
T8M2.5×7.0 screws (3) Three Torx T8M2.5×3.0 broad-head screws 2. Remove the two Torx T8M2.5×7.0 screws that secure the keyboard to the computer. 3. Turn the computer display-side up, with the front toward you. 4. Open the computer as far as possible. 46 Chapter 4 Removal and replacement procedures - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 57
straight up until it disengages from the computer, and slide it back (2) until it rests on the display assembly. 6. Lift the rear edge of the keyboard (1) until it rests at an angle, and slide it back (2) until it rests on the display assembly and switch cover. Component replacement procedures 47 - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 58
. 8. Remove the keyboard. 9. Release the ZIF connector (1) to which the button board cable is attached, and disconnect the button board cable (2) from the system board. 10. Remove the switch cover. Reverse this procedure to install the switch cover and keyboard. 48 Chapter 4 Removal and replacement - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 59
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 35). 5. Remove the switch cover and keyboard (see Switch cover and keyboard on page 45). Remove the speaker - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 60
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 35). 5. Remove the switch cover and keyboard (see Switch cover and keyboard on page 45). Remove the display lid - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 61
the power cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 35). 5. Disconnect the wireless antenna cables from the WLAN module (see WLAN module on page 38). 6. Remove the following components: a. Switch cover and keyboard (see - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 62
is necessary to replace the display bezel, display inverter, or display hinges, remove the eight rubber screw covers (1) and the eight Torx T8M2.5×6.0 screws (2) that secure the display bezel to the display assembly. The rubber screw covers are available in the Rubber Kit, spare part number 456616 - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 63
cable will allow. 9. Disconnect the display panel cable (2) and the backlight cable (3) from the display inverter. 10. Remove the display inverter. The display inverter is available using spare part number 457621-001. 11. If it is necessary to replace the display hinges, remove the four Torx T8M2 - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 64
(1) that secure each display hinge to the display panel. 14. Remove the display hinges (2). The left and right display hinges are available using spare part number 456584-001. Reverse this procedure to reassemble and install the display assembly. 54 Chapter 4 Removal and replacement procedures - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 65
the power cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 35). 5. Remove the following components: a. Hard drive (see Hard drive on page 36) b. Optical drive (see Optical drive on page 42) c. Switch cover and keyboard (see - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 66
to the computer. 7. Lift the rear edge of the top cover (1) and swing it up and forward until it rests at an angle. 8. Lift the front edge of the top cover (2) until it disengages from the base enclosure. 9. Tilt the top cover (3) back until the TouchPad cable is accessible. 56 Chapter 4 Removal and - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 67
10. Release the ZIF connector (4) to which the TouchPad cable is connected and disconnect the TouchPad cable from the system board. 11. Remove the top cover. Reverse this procedure to install the top cover. Component replacement procedures 57 - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 68
the power cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 35). 5. Remove the following components: a. Hard drive (see Hard drive on page 36) b. Optical drive (see Optical drive on page 42) c. Switch cover and keyboard (see - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 69
to the computer. 5. Release the TouchPad bracket (1) by sliding it back. 6. Remove the TouchPad bracket (2) by lifting it straight up. 7. Remove the TouchPad button board (3). 8. Remove the TouchPad button board cable (4) from the opening in the TouchPad bracket. Component replacement procedures 59 - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 70
the power cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 35). 5. Remove the following components: a. Hard drive (see Hard drive on page 36) b. Optical drive (see Optical drive on page 42) c. Switch cover and keyboard (see - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 71
Remove the Bluetooth module (3) from the base enclosure. Reverse this procedure to install the Bluetooth module. System board NOTE: All system board spare part kits include replacement thermal material. Description Includes 128 MB of DDR2 graphics subsystem memory Includes 64 MB of DDR2 graphics - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 72
4. Remove the battery (see Battery on page 35). 5. Remove the following components: a. Hard drive (see Hard drive on page 36) b. Optical drive (see Optical drive on page 42) c. Switch cover and keyboard (see Switch cover and keyboard on page 45) d. Speaker (see Speaker on page 49) e. Display lid - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 73
3. Remove the following screws: (1) One Torx T8M2.5×6.0 screw that secures the system board to the base enclosure (2) Three Torx T8M2.5×6.0 screws that secure the battery connector board to the base enclosure (3) Four Torx T8M2.5×4.0 screws that secure the optical drive connector board to the base - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 74
connectors on the system board. The battery connector board is available using spare part number 457620-001. The optical drive connector board is available using spare part number 456805-001. Reverse the preceding procedure to install the system board. 64 Chapter 4 Removal and replacement procedures - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 75
the power cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 35). 5. Remove the following components: a. Hard drive (see Hard drive on page 36) b. Optical drive (see Optical drive on page 42) c. Switch cover and keyboard (see - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 76
external temperatures, system power consumption, power management/battery conservation configurations, battery fast charging, and software requirements. Exhaust air is displaced through the ventilation grill located on the left side of the computer. 66 Chapter 4 Removal and replacement procedures - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 77
the power cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 35). 5. Remove the following components: a. Hard drive (see Hard drive on page 36) b. Optical drive (see Optical drive on page 42) c. Switch cover and keyboard (see - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 78
processor (4), Northbridge chip (5), and graphics subsystem memory (6) each time the heat sink is removed. Thermal material is included with all heat sink, system board, and processor spare part kits. Reverse this procedure to install the heat sink. 68 Chapter 4 Removal and replacement procedures - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 79
the power cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 35). 5. Remove the following components: a. Hard drive (see Hard drive on page 36) b. Optical drive (see Optical drive on page 42) c. Switch cover and keyboard (see - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 80
(see Speaker on page 49) e. Display lid switch module (see Display lid switch module on page 50) f. Display assembly (see Display assembly on page 51) g. Top cover (see Top cover on page 55) h. System board (see System board on page 61) Remove the processor: 1. Turn the system board upside down - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 81
the power cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 35). 5. Remove the following components: a. Hard drive (see Hard drive on page 36) b. Optical drive (see Optical drive on page 42) c. Switch cover and keyboard (see - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 82
3. Lift the modem module (2) straight up to disconnect it from the system board. 4. Remove the modem module. Reverse this procedure to install the modem module. 72 Chapter 4 Removal and replacement procedures - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 83
the power cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 35). 5. Remove the following components: a. Hard drive (see Hard drive on page 36) b. Optical drive (see Optical drive on page 42) c. Switch cover and keyboard (see - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 84
2. Remove the RTC battery from the socket on the system board. Reverse this procedure to install the RTC battery. 74 Chapter 4 Removal and replacement procedures - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 85
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 f10. Starting Computer Setup 75 - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 86
and exit Computer Setup, use the arrow keys to select File > Save changes and exit. Then follow the instructions on the screen. Your preferences go into effect when the computer restarts. NOTE: Your password settings and security settings are not changed when you restore the factory settings - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 87
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 settings. (Password settings and security settings are not changed when you restore the - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 88
Passwords System IDs Disk Sanitizer To do this Enter, change, or delete a setup password. Enter, change, or delete a power-on password. ● Enable/disable stringent security. ● Enable/disable the password requirement on computer restart. ● Enable/disable DriveLock on any computer hard drive. ● Change - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 89
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. ● Enable/disable BIOS DMA data - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 90
Specifications Computer specifications Metric U.S. Dimensions Length 28.49 cm 11.22 in Width 39.62 cm Height (front to rear) 3.23 to 3.58 cm Weight (equipped with optical drive, hard drive, and battery) 2.94 kg Input power to 10.1 psia) Nonoperating (14.7 to 4.4 psia) Shock Operating 10% - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 91
1.50 g zero-to-peak, 10 Hz to 500 Hz, 0.5 oct/min sweep rate NOTE: Applicable product safety standards specify thermal limits for plastic surfaces. The computer operates well within this range of temperatures. 17.0-inch, WXGA display specifications Dimensions Height Width Diagonal Number of - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 92
temperature 5°C to 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. NOTE: Certain restrictions and exclusions apply. Contact technical support for details. 82 Chapter - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 93
CD-R and CD-RW DVD+R, DVD+RW, DVD-R, DVDRW, DVD-RAM CD DVD < 175 ms < 230 ms 2 MB 3,600 KB/sec 10,800 KB/sec 3,600 KB/sec 2,400 KB/sec 10,800 KB/sec 5,400 KB/sec 10,800 KB/sec 5,400 KB/sec 2,700 KB/sec 6,750 KB/sec Multiword DMA Mode DVD±RW and CD-RW Double-Layer Combo Drive specifications - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 94
Read: Write: CD-DA, CD+(E)G, CD-MIDI, CD-TEXT, CDROM, CD-ROM XA, MIXED MODE CD, CD-I, CD-I Bridge (Photo-CD, Video CD), Multisession CD (Photo-CD, CD-EXTRA, Portfolio, CD-R, CDRW), CD-R, CD-RW, DVD-ROM (DVD-5, DVD-9, DVD-10, DVD-18), DVD-R, DVD-RW, DVD+R, DVD+RW, DVD-RAM CD-R and CD-RW 1.5 cm - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 95
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 ExpressCard DMA6 Not assigned DMA7 Not assigned *ExpressCard controller can use DMA 1, - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 96
Keyboard IRQ2 IRQ3 IRQ4 IRQ5* IRQ6 IRQ7* IRQ8 Cascaded Intel 82801DB/DBM USB2 Enhanced Host Controller-24CD COM1 Conexant AC-Link Audio Intel 82801DB/DBM SMBus Controller-24C3 Data Fax Modem with SmartCP Diskette drive Synaptics PS/2 TouchPad IRQ13 Numeric data processor IRQ14 Primary IDE - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 97
System I/O address specifications I/O address (hex) 000 - 00F 010 configuration for CPU Counter/timer registers Unused Keyboard controller Port B Unused Keyboard controller Unused reset Unused Unused Secondary fixed disk controller Unused Primary fixed disk controller Unused JoyStick (decoded in - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 98
serial port Unused Infrared port Unused Unused Secondary diskette drive controller Parallel port (LPT1/default) Unused FM synthesizer-OPL3 Unused VGA Reserved (parallel port/no EPP support) VGA ExpressCard controller in CPU Unused Internal modem "A" diskette controller Serial port (COM1/default) PCI - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 99
00FFFFFF 04800000-07FFFFFF 04800000-07FFFFFF 08000000-080FFFFF 08200000-FFFEFFFF FFFF0000-FFFFFFFF System function Base memory Video memory Video BIOS Unused System BIOS Extended memory Super extended memory Unused Video memory (direct access) Unused System BIOS System memory map specifications 89 - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 100
7 Screw listing This section provides specification and reference information for the screws and screw locks used in the computer. All screws listed in this section are available in the Screw Kit, spare part number 456615-001. 90 Chapter 7 Screw listing - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 101
Phillips PM2.0×5.0 captive screw Color Black Quantity 4 Length 5.0 mm Thread 2.0 mm Head diameter 5.0 mm Where used: (1) Two captive screws that secure the hard drive bay cover to the computer (screws are captured on the cover by C-clips) (2) One captive screw that secures the WLAN module - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 102
Phillips PM2.5×13.0 captive screw Color Silver Quantity 1 Length 13.0 mm Thread 2.5 mm Head diameter 5.0 mm Where used: One captive screw that secures the hard drive to the computer (screw is secured to the hard drive bracket) 92 Chapter 7 Screw listing - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 103
Phillips PM3.0×4.0 screw Color Silver Quantity 4 Length 4.0 mm Thread 3.0 mm Head diameter 5.0 mm Where used: 4 screws that secure the hard drive bracket to the hard drive Phillips PM3.0×4.0 screw 93 - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 104
Phillips PM2.5×4.0 screw Color Black Quantity 4 Length 4.0 mm Thread 2.5 mm Head diameter 5.0 mm Where used: 2 screws that secure the WLAN module to the system board Where used: 2 screws that secure the modem module to the system board 94 Chapter 7 Screw listing - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 105
T8M2.5×7.0 screw Color Black Quantity 23 Length 7.0 mm Thread 2.5 mm Head diameter 5.0 mm Where used: (1) One screw that secures the optical drive to the computer (2) Two screws that secure the keyboard to the computer (3) Three screws that secure the switch cover to the computer Torx T8M2 - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 106
Where used: 4 screws that secure the display assembly to the computer Where used: 10 screws that secure the top cover to the base enclosure Where used: 3 screws that secure the top cover to the base enclosure 96 Chapter 7 Screw listing - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 107
Phillips PM2.0×4.0 screw Color Silver Quantity 14 Length 4.0 mm Thread 2.0 mm Head diameter 4.5 mm Where used: 2 screws that secure the optical drive bracket to the optical drive Phillips PM2.0×4.0 screw 97 - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 108
Where used: 8 screws that secure the display hinges to the display assembly Where used: 2 screws that secure the TouchPad Bracket and TouchPad button board to the top cover Where used: 2 screws that secure the Bluetooth module to the base enclosure 98 Chapter 7 Screw listing - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 109
Torx T8M2.5×9.0 screw Color Black Quantity 2 Length 9.0 mm Thread 2.5 mm Head diameter 5.0 mm Where used: 2 screws that secure the switch cover to the computer Torx T8M2.5×9.0 screw 99 - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 110
Torx T8M2.5×3.0 broad-head screw Color Black Quantity 3 Length 3.0 mm Thread 2.5 mm Head diameter 8.0 mm Where used: 3 screws that secure the switch cover to the computer 100 Chapter 7 Screw listing - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 111
Torx T8M2.5×4.0 screw Color Black Quantity 7 Length 4.0 mm Thread 2.5 mm Head diameter 5.0 mm Where used: 2 screws that secure the speaker to the computer Where used: One screw that secures the top cover to the base enclosure Torx T8M2.5×4.0 screw 101 - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 112
Where used: 4 screws that secure the battery connector board to the base enclosure 102 Chapter 7 Screw listing - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 113
Torx T8M2.5×6.0 screw Color Black Quantity 16 Length 6.0 mm Thread 2.5 mm Heat width 5.0 mm Where used: 8 screws that secure the display bezel to the display assembly Where used: 4 screws that secure the display panel to the display enclosure Torx T8M2.5×6.0 screw 103 - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 114
Where used: (1) One screw that secures the system board to the base enclosure (2) Three screws that secure the battery connector board to the base enclosure 104 Chapter 7 Screw listing - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 115
Phillips PM2.0×2.0 broad-head screw Color Black Quantity 3 Length 2.0 mm Thread 2.0 mm Head diameter 6.0 mm Where used: 3 screws that secure the top cover to the base enclosure Phillips PM2.0×2.0 broad-head screw 105 - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 116
Phillips PM2.0×6.0 screw Color Black Quantity 1 Length 6.0 mm Thread 2.0 mm Head diameter 4.5 mm Where used: One screw that secures the system board to the base enclosure 106 Chapter 7 Screw listing - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 117
Phillips PM2.5×7.0 screw Color Black Quantity 1 Length 7.0 mm Thread 2.5 mm Head diameter 5.0 mm Where used: One screw that secures the fan to the base enclosure Phillips PM2.5×7.0 screw 107 - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 118
Phillips PM2.5×7.0 captive screw Color Silver Quantity 1 Length 7.0 mm Thread 2.5 mm Head diameter 5.0 mm Where used: One captive screw that secures the fan to the base enclosure (screw is secured to the fan by a C-clip) 108 Chapter 7 Screw listing - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 119
Phillips PM2.5×10.0 captive screw Color Silver Quantity 6 Length 10.0 mm Thread 2.5 mm Head diameter 5.0 mm Where used: 6 captive screws that secure the heat sink to the system board (screws are secured to the heat sink by C-clips) Phillips PM2.5×10.0 captive screw 109 - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 120
more information than CDs, DVDs and DVDs with double-layer (DL) support reduce the number of discs required. NOTE: Read-write discs, such as CD-RW, DVD+RW, and DVD-RW, are not compatible with the Backup & Recovery Manager software. ● The computer must be connected to AC power during the process - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 121
> Paste. NOTE: Before you can perform backup and recovery procedures, the computer must be connected to external power. NOTE: Drivers, utilities, and applications installed by HP can be copied to a CD or to a DVD using HP Backup & Recovery Manager. Backing up your information in Windows Vista 111 - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 122
partition on the hard drive, to an optional external hard drive, or to optical discs (CDs or DVDs). NOTE: This process will take several minutes, depending on the file size and the speed of the computer. To back up specific files or folders: 1. Select Start > All Programs > HP Backup & Recovery - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 123
or at specific events, such as at system restart or when you dock to an optional docking station (select models only). To schedule backups: 1. Select Start > All Programs > HP Backup & Recovery > HP Backup Scheduler. 2. Follow the on-screen instructions. Backing up your information in Windows Vista - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 124
2. 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 114 Chapter 8 Backup and - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 125
. 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 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 126
more information than CDs, DVDs and DVDs with double-layer (DL) support reduce the number of discs required. NOTE: Read-write discs, such as CD-RW, DVD+RW, and DVD-RW, are not compatible with the HP Backup and Recovery Manager software. ● The computer must be connected to AC power during the process - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 127
> Paste. NOTE: Before you can perform backup and recovery procedures, the computer must be connected to external power. NOTE: Drivers, utilities, and applications installed by HP can be copied to a CD or to a DVD using HP Backup and Recovery Manager. Backing up your information in Windows XP 117 - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 128
on the hard drive, to an optional external hard drive, or to optical discs (CDs or DVDs). NOTE: This process will take several minutes, depending on the file size and the speed of the computer. To back up specific files or folders: 1. Select Start > All Programs > HP Backup & Recovery > HP Backup - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 129
or at specific events, such as at system restart or when you dock to an optional docking station (select models only). To schedule backups: 1. Select Start > All Programs > HP Backup & Recovery > HP Backup Scheduler. 2. Follow the on-screen instructions. Backing up your information in Windows XP 119 - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 130
2. 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 120 Chapter 8 Backup and - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 131
these steps: 1. Back up all personal files. 2. Select Start > All Programs > HP Backup & Recovery > HP Backup and Recovery Manager. 3. Click Next. 4. Click Recover important files or the entire system, and then click Next. 5. Follow the on-screen instructions. Performing a recovery in Windows XP 121 - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 132
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. 3. Click a recovery option, and then click Next. 4. Follow the on-screen instructions. 122 Chapter 8 Backup - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 133
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) 123 - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 134
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 124 Chapter 9 - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 135
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) 125 - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 136
Universal Serial Bus Pin Signal 1 +5 VDC 2 Data - 3 Data + 4 Ground 126 Chapter 9 Connector pin assignments - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 137
10 Power cord set requirements The wide range input feature of the computer permits it to operate from any line voltage from 100 to 120 volts AC or from 220 to 240 volts AC. The 3-conductor power cord set included with the computer meets the requirements for use in the country or region where the - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 138
The flexible cord must be Type VCTF, 3-conductor, 0.75-mm² conductor size. Power cord set fittings (appliance coupler and wall plug) must bear the certification mark of the agency responsible for evaluation in the country or region where it will be used. 128 Chapter 10 Power cord set requirements - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 139
(1) and the liquid crystal display (LCD) panel (2). NOTE: 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 129 - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 140
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 and right inside edges (1) and the top and bottom inside edges (2) of the display bezel until the bezel - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 141
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 down. 8. Remove all screws that - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 142
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 outward. 13. Remove the backlight cover. 14. Turn the display panel right-side up. 132 Chapter - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 143
cables (1) from the clip (2) in the display panel. 16. Turn the display panel upside down. WARNING! The backlight contains mercury. Exercise caution when removing and handling the backlight to avoid damaging this component and causing exposure to the mercury. 17. Remove the backlight frame from the - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 144
panel 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 to the display rear panel. 23. Remove the LCD panel. 24. Recycle the LCD - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 145
menu 79 using 76 computer specifications 80 connectors power 9 service considerations 28 creating recovery points 113, 119 D Diagnostics menu 78 Disk Sanitizer 78 diskette drive precautions 28 product description 2 spare part number 21, 22 display assembly removal 51 spare part numbers 13, 24, 51 - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 146
7 Windows logo 7 L language, changing in Computer Setup 79 left-side components 9 legacy support, Universal Serial Bus (USB) 75, 79 light components 6 lights battery 9 optical drive 8 power 7 wireless 6 Logo Kit, spare part number 21, 26 M mass storage devices, spare part numbers 20 memory check - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 147
power requirements, product description 4 power-on password 78 processor product description 1 removal 62 spare part numbers 14, 24, 62 product description audio 3 chipset 1 diskette drive 2 display panel 1 Ethernet 3 external media cards 3 graphics 1 hard drives 2 keyboard 3 memory module 2 modem - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 148
Setup 76 serial number 11, 33 service considerations 27 serviceability, product description 4 speaker location 7 removal 49 spare part number 13, 26, 49 specifications computer 80 display 81 DVD/CD-RW Combo Drive 84 DVD±RW and CD-RW Combo Drive 83 hard drive 82 I/O addresses 87 interrupts 86 - HP 6820s | HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 149
HP Compaq 6820s Notebook PC
Maintenance and Service Guide