HP EliteBook 820 G1 Maintenance And Service Manual Download Page 68

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Swing the rear edge of the keyboard

(3)

up and forward until it rests upside down on the

palm rest.

NOTE:

Step 9 applies only to computer models equipped with a keyboard with backlight.

Release the zero insertion force (ZIF) connector

(1)

to which the backlight cable is attached, and

then disconnect the backlight cable

(2)

from the system board.

10.

Release the ZIF connector

(3)

to which the keyboard cable is attached, and then disconnect the

keyboard cable

(4)

from the system board.

11.

Release the ZIF connector

(5)

to which the pointing stick cable is attached, and then disconnect

the pointing stick cable

(6)

from the system board.

Chapter 5 Removal and replacement procedures for Customer Self- Repair parts

Summary of Contents for EliteBook 820 G1

Page 1: ...HP EliteBook 820 G1 Notebook PC Maintenance and Service Guide IMPORTANT This document is intended for HP authorized service providers only ...

Page 2: ...ptember 2013 Document Part Number 723686 001 Product notice This guide describes features that are common to most models Some features may not be available on your computer Not all features are available in all editions of Windows 8 This computer may require upgraded and or separately purchased hardware drivers and or software to take full advantage of Windows 8 functionality See http www microsof...

Page 3: ...w another hard surface such as an adjoining optional printer or a soft surface such as pillows or rugs or clothing to block airflow Also do not allow the AC adapter to contact the skin or a soft surface such as pillows or rugs or clothing during operation The device and the AC adapter comply with the user accessible surface temperature limits defined by the International Standard for Safety of Inf...

Page 4: ...iv Safety warning notice ...

Page 5: ...serial number product number and model number 17 Computer major components 18 Display assembly components 24 Plastics Kit 26 Mass storage devices 27 Miscellaneous parts 28 Sequential part number listing 30 4 Removal and replacement preliminary requirements 37 Tools required 37 Service considerations 37 Plastic parts 37 Cables and connectors 38 Drive handling 38 Grounding guidelines 39 Electrostati...

Page 6: ...ouchPad 74 Card reader board 75 Heat sink 78 Fan 80 System board 82 Fingerprint reader board 85 Speaker assembly 86 Power button board 88 7 Computer Setup BIOS 90 Windows 8 Computer Setup BIOS MultiBoot and HP PC Hardware Diagnostics UEFI 90 Using Computer Setup 90 Starting Computer Setup 90 Navigating and selecting in Computer Setup 91 Restoring factory settings in Computer Setup 92 Updating the ...

Page 7: ... order in Computer Setup 102 Dynamically choosing a boot device using the f9 prompt 103 Setting a MultiBoot Express prompt 103 Entering MultiBoot Express preferences 104 Using HP PC Hardware Diagnostics UEFI select models only 104 Downloading HP PC Hardware Diagnostics UEFI to a USB device 105 Linux Computer Setup BIOS and Advanced System Diagnostics 106 Starting Computer Setup 106 Using Computer ...

Page 8: ...he Windows recovery tools 120 Using f11 recovery tools 121 Using a Windows 7 operating system DVD purchased separately 122 Linux 123 Creating backups 123 Backing up your information 123 Performing a system recovery 124 Remove everything and reinstall SLED 125 10 Statement of Volatility 126 Non volatile memory usage 128 Questions and answers 131 11 Power cord set requirements 132 Requirements for a...

Page 9: ...VA typical brightness 200 nits ultraslim 1 2 mm 45 CG eDP display panel with and without webcamera Graphics Intel Graphics Intel HD Graphics 4400 Universal memory architecture UMA graphics Support for up to 3 displays through the HP 2013 UltraSlim Docking Station Memory Two customer accessible upgradable memory module slots Support for DDR3L 1600 MHz PCL3 12800 dual channel memory Support for 1638...

Page 10: ...the following hard drives 500 GB 7200 rpm SATA 7 0 mm hard drive 500 GB 7200 rpm SED 7 0 mm hard drive 500 GB 5400 rpm SATA FIPA 7 0 mm hard drive 500 GB 5400 rpm SATA 7 0 mm hard drive 320 GB 7200 rpm SATA 7 0 mm hard drive 320 GB 5400 rpm SATA 7 0 mm hard drive Support for the following 6 35 cm 2 5 in solid state drives 256 GB SATA 3 SED solid state drive 240 GB SATA 3 solid state drive 180 GB S...

Page 11: ... way of wireless module select models only Two WWAN antennas built into display assembly select models only Support for the following WWAN formats HP lt4112 LTE HSPA Mobile Broadband Module HP lt4111 LTE EV DO HSPA Mobile Broadband Module HP hs3110 HSPA Mobile Broadband Module SIM slot user accessible External expansion SD media reader slot Support for SD SDHC SDXC Push push insertion removal SIM ...

Page 12: ...ovable 3 cell 46 WHr 4 15 AHr Li ion battery and 3 cell 26 WHr 2 50 AHr Li ion battery Support for the following AC adapters 65 W HP Smart adapter EM RC V 3 wire 4 5 mm 65 W HP Smart adapter non PFC 3 wire 4 5 mm 45 W HP Smart adapter non PFC RC V 3 wire 4 5 mm Security Support for the following Fingerprint reader Full volume encryption Integrated Smart Card reader active Preboot authentication pa...

Page 13: ...rosoft Windows 7 Home Premium 64 and 32 bit Microsoft Windows 7 Professional 64 and 32 bit Microsoft Windows 7 Professional 64 and 32 bit MSNA only in Asia Pacific countries and regions and the People s Republic of China FreeDOS 2 0 SuSE Linux Enterprise SLED 11 service pack 2 64 bit not available on computer models equipped with WWAN capability Restore Media DRDVD DRDVD Microsoft Windows 8 1 avai...

Page 14: ...sional or Microsoft Windows 8 downgrade loc except for Asia Pacific countries or regions or the People s Republic of China Microsoft Windows 7 Professional 64 and 32 bit available with any Microsoft Windows 7 Professional or Microsoft Windows 8 downgrade loc except for Asia Pacific countries or regions or the People s Republic of China Certified Microsoft WHQL SuSE Linux Enterprise SLED service pa...

Page 15: ... to the Internet you need a broadband modem either DSL or cable purchased separately high speed Internet service purchased from an Internet service provider and a wireless router purchased separately 2 WWAN antennas 2 Send and receive wireless signals to communicate with wireless wide area networks 3 Internal microphones Record sound 4 Webcamera light select models only On The webcam is in use Dis...

Page 16: ...he power is on NOTE The internal display switch is not visible from the outside of the computer The antennas are not visible from the outside of the computer For optimal transmission keep the areas immediately around the antennas free from obstructions To see wireless regulatory notices see the section of the Regulatory Safety and Environmental Notices that applies to your country or region These ...

Page 17: ... Microsoft Windows shutdown procedures are ineffective press and hold the power button for at least 5 seconds to turn off the computer To learn more about your power settings Select Start Control Panel System and Security Power Options For more information see the HP Notebook Reference Guide 2 Speakers Produce sound 3 Wireless button Turns the wireless feature on or off but does not establish a wi...

Page 18: ...ute frequently used system functions when pressed in combination with the fn key 5 Embedded numeric keypad When the keypad is turned on it can be used like an external numeric keypad Each key on the keypad performs the function indicated by the icon in the upper right corner of the key 6 num lk key Turns the embedded numeric keypad on and off when pressed in combination with the fn key Alternates ...

Page 19: ...bernation 2 Caps lock light On Caps lock is on 3 Microphone mute light On Microphone is muted 4 Num lock light On Num lock is on 5 Wireless light White An integrated wireless device such as a wireless local area network WLAN device is on Amber All wireless devices are off 6 Mute light Off Computer sound is on Amber Computer sound is off Lights 11 ...

Page 20: ...ad on off button Turns the TouchPad on and off 4 TouchPad zone Moves the pointer and selects or activates items on the screen 5 Left TouchPad button Functions like the left button on an external mouse 6 Right pointing stick button Functions like the right button on an external mouse 7 Right TouchPad button Functions like the right button on an external mouse 12 Chapter 2 External component identif...

Page 21: ...te The computer is connected to external power and the battery is charged from 90 to 99 percent Blinking amber A battery that is the only available power source has reached a low battery level When the battery reaches a critical battery level the battery light begins blinking rapidly Off The battery is fully charged 4 Hard drive light Blinking white The hard drive is being accessed Amber HP 3D Dri...

Page 22: ... and off during routine operation 3 External VGA monitor port Connects an external VGA monitor or projector 4 USB 3 0 charging port Connects an optional USB device The USB charging port can also charge select models of cell phones and MP3 players even when the computer is off NOTE A USB charging port also referred to as a powered USB port allows you to charge connected USB devices Standard USB por...

Page 23: ...ces NOTE When a device is connected to the jack the computer speakers are disabled NOTE Be sure that the device cable has a 4 conductor connector that supports both audio out headphone and audio in microphone 2 DisplayPort Connects an optional digital display device such as a highperformance monitor or projector 3 USB 3 0 ports 2 Connect optional USB 3 0 devices and provide enhanced USB power perf...

Page 24: ... the module and then receive a warning message remove the module to restore computer functionality and then contact support through Help and Support 2 Service cover release latch Releases the service cover from the computer A security screw is available to prevent the service cover from being accidentally removed 3 Vents 2 Enable airflow to cool internal components NOTE The computer fan starts up ...

Page 25: ...mber and product number of your tablet are located on the left edge of the tablet The model number of your tablet is located on the back of your tablet You may need the information when you travel internationally or when you contact support Locating the serial number product number and model number 17 ...

Page 26: ...Computer major components 18 Chapter 3 Illustrated parts catalog ...

Page 27: ...41 041 For use in Greece 730541 151 For use in Hungary 730541 211 For use in Iceland 730541 DD1 For use in India 730541 D61 For use in Israel 730541 BB1 For use in Italy 730541 061 For use in Japan 730541 291 For use in Latin America 730541 161 For use in the Netherlands 730541 B31 For use in Northwest Africa 730541 FP1 For use in Norway 730541 091 For use in Portugal 730541 131 For use in Romania...

Page 28: ...e 730540 D61 Keyboard without backlight for use in Israel includes keyboard cable 730540 BB1 Keyboard without backlight for use in Italy includes keyboard cable 730540 061 Keyboard without backlight for use in Japan includes keyboard cable 730540 291 Keyboard without backlight for use in Latin America includes keyboard cable 730540 161 Keyboard without backlight for use in the Netherlands includes...

Page 29: ...30559 501 Equipped with an Intel Core i7 4600U 2 10 GHz SC turbo up to 3 30 GHz processor 4 00 MB L3 cache 15 W and a non Windows 8 operating system 730559 001 Equipped with an Intel Core i5 4300U 1 90 GHz SC turbo up to 2 90 GHz processor 3 00 MB L3 cache 15 W and the Windows 8 Professional operating system 731066 601 Equipped with an Intel Core i5 4300U 1 90 GHz SC turbo up to 2 90 GHz processor...

Page 30: ...ardware Kit 500 GB 7200 rpm SATA 7 0 mm hard drive 703267 001 500 GB 7200 rpm SED 7 0 mm hard drive 703268 001 500 GB 5400 rpm SATA FIPA 7 0 mm hard drive 730946 001 500 GB 5400 rpm SATA 7 0 mm hard drive 683802 001 320 GB 7200 rpm SATA 7 0 mm hard drive 634862 001 320 GB 5400 rpm SATA 7 0 mm hard drive 645193 001 15 Battery 3 cell 46 WHr 4 15 AHr Li ion battery 717378 001 3 cell 26 WHr 2 50 AHr L...

Page 31: ...0 802 11 ac 2 2 WiFi Bluetooth 4 0 WLAN module 710661 001 Intel Dual Band Wireless N 7260AN 802 11 a b g n 2 2 WiFi Bluetooth 4 0 Combo Adapter 717381 001 Intel Dual Band Wireless N 7260NB 802 11 a b g n 2 2 WiFi adapter 717382 001 20 Service cover includes rubber feet For use on computer models with CCCO mark 730564 001 For use on computer models without CCCO mark 745307 001 For use on computer m...

Page 32: ...ncludes double sided adhesive 730542 001 Microphone module includes double sided adhesive 730795 001 3 Display panel 12 5 in AG HD LED UWVA display panel 730536 001 12 5 in AG HD LED SVA display panel 730535 001 4 Display Hinge Kit includes left and right display hinges 730543 001 24 Chapter 3 Illustrated parts catalog ...

Page 33: ...splay Antenna Kit includes 730560 001 6 WLAN antenna cables and transceivers 7 WWAN antenna cables and transceivers 8 Display enclosure 730561 001 Display Panel Support Kit not illustrated includes display enclosure WLAN antenna cables and transceivers and WWAN antenna cables and transceivers 730538 001 Display assembly components 25 ...

Page 34: ...730562 001 1 Card reader bezel 2 Display cable connector bracket 3 Fingerprint reader cover 4 RJ 45 cover 5a Service cover release latch actuator 5b Service cover release latch arm Service cover release latch spring not illustrated 26 Chapter 3 Illustrated parts catalog ...

Page 35: ...Kit 500 GB 7200 rpm SATA 7 0 mm hard drive 703267 001 500 GB 7200 rpm SED 7 0 mm hard drive 703268 001 500 GB 5400 rpm SATA FIPA 7 0 mm hard drive 730946 001 500 GB 5400 rpm SATA 7 0 mm hard drive 683802 001 320 GB 7200 rpm SATA 7 0 mm hard drive 634862 001 320 GB 5400 rpm SATA 7 0 mm hard drive 645193 001 Hard Drive Hardware Kit includes 734280 001 2a Hard drive bracket 2b Hard drive connector ad...

Page 36: ...3711 001 45 W HP Smart adapter non PFC RC V 3 wire 4 5 mm 696694 001 Carrying case HP business slim top load carrying case 718549 001 HP business top load carrying case 718550 001 HP 2013 UltraSlim Docking Station 732252 001 HP DisplayPort to HDMI cable 617450 001 HP Mobile Connect SIM module 714749 001 Lock HP docking station cable lock 575921 001 HP notebook combination lock 591699 001 HP ultras...

Page 37: ... use in Italy 490371 061 For use in Japan 490371 291 For use in North America 490371 001 For use in the People s Republic of China 490371 AA1 For use in South Africa 490371 AR1 For use in South Korea 490371 AD1 For use in Switzerland 490371 111 For use in Taiwan 490371 AB1 For use in Thailand 490371 201 Screw Kit 730553 001 Miscellaneous parts 29 ...

Page 38: ... for use in Argentina 3 pin black 1 83 m 490371 D61 Power cord for use in India 3 pin black 1 83 m 575921 001 HP docking station cable lock 591699 001 HP notebook combination lock 617450 001 HP DisplayPort to HDMI cable 634862 001 320 GB 7200 rpm SATA 7 0 mm hard drive does not include hard drive bracket hard drive connector adapter or screws NOTE The hard drive bracket hard drive connector adapte...

Page 39: ...dband Module 710661 001 Intel Dual Band Wireless AC 7260 802 11 ac 2 2 WiFi Bluetooth 4 0 WLAN module 714749 001 HP Mobile Connect SIM module 717377 001 3 cell 26 WHr 2 50 AHr Li ion battery 717378 001 3 cell 46 WHr 4 15 AHr Li ion battery 717381 001 Intel Dual Band Wireless N 7260AN 802 11 a b g n 2 2 WiFi Bluetooth 4 0 Combo Adapter 717382 001 Intel Dual Band Wireless N 7260NB 802 11 a b g n 2 2...

Page 40: ...stick for use in Romania includes keyboard cable 730540 281 Keyboard with pointing stick for use in Thailand includes keyboard cable 730540 291 Keyboard with pointing stick for use in Japan includes keyboard cable 730540 A41 Keyboard with pointing stick for use in Belgium includes keyboard cable 730540 AB1 Keyboard with pointing stick for use in Taiwan includes keyboard cable 730540 AD1 Keyboard w...

Page 41: ...eyboard with backlight and pointing stick for use in Greece includes backlight cable and keyboard cable 730541 161 Keyboard with backlight and pointing stick for use in Latin America includes backlight cable and keyboard cable 730541 171 Keyboard with backlight and pointing stick for use in Saudi Arabia includes backlight cable and keyboard cable 730541 201 Keyboard with backlight and pointing sti...

Page 42: ...oard with backlight and pointing stick for use in Canada includes backlight cable and keyboard cable 730541 DD1 Keyboard with backlight and pointing stick for use in Iceland includes backlight cable and keyboard cable 730541 FL1 Keyboard with backlight and pointing stick for use in the Czech Republic and Slovakia includes backlight cable and keyboard cable 730541 FP1 Keyboard with backlight and po...

Page 43: ... i5 4200U 1 60 GHz SC turbo up to 2 60 GHz processor 3 00 MB L3 cache 15 W a graphics subsystem with UMA memory and the Windows 8 Professional system includes replacement thermal material 730559 001 System board equipped with an Intel Core i7 4600U 2 10 GHz SC turbo up to 3 30 GHz processor 4 00 MB L3 cache 15 W a graphics subsystem with UMA memory and a non Windows 8 operating system includes rep...

Page 44: ...processor 3 00 MB L3 cache 15 W a graphics subsystem with UMA memory and the Windows 8 Standard operating system includes replacement thermal material 731066 601 System board equipped with an Intel Core i5 4300U 1 90 GHz SC turbo up to 2 90 GHz processor 3 00 MB L3 cache 15 W a graphics subsystem with UMA memory and the Windows 8 Professional system includes replacement thermal material 731550 001...

Page 45: ...ome of the considerations that you must keep in mind during disassembly and assembly procedures NOTE As you remove each subassembly from the computer place the subassembly and all accompanying screws away from the work area to prevent damage Plastic parts CAUTION Using excessive force during disassembly and reassembly can damage plastic parts Use care when handling the plastic parts Apply pressure...

Page 46: ...d drive shut down the computer If you are unsure whether the computer is off or in Hibernation turn the computer on and then shut it down through the operating system Before handling a drive be sure that you are discharged of static electricity While handling a drive avoid touching the connector Before removing a diskette drive or optical drive be sure that a diskette or disc is not in the drive a...

Page 47: ...ve these precautions Keep components in their electrostatic safe containers until you are ready to install them Before touching an electronic component discharge static electricity by using the guidelines described in this section Avoid touching pins leads and circuitry Handle electronic components as little as possible If you remove a component place it in an electrostatic safe container The foll...

Page 48: ... proper materials are selected to avoid static charging When grounding is not possible use an ionizer to dissipate electric charges Workstation guidelines Follow these grounding workstation guidelines Cover the workstation with approved static shielding material Use a wrist strap connected to a properly grounded work surface and use properly grounded tools and equipment Use conductive field servic...

Page 49: ... resistance between the operator and ground To be effective the conductive must be worn in contact with the skin The following grounding equipment is recommended to prevent electrostatic damage Antistatic tape Antistatic smocks aprons and sleeve protectors Conductive bins and other assembly or soldering aids Nonconductive foam Conductive computerop workstations with ground cords of one megohm resi...

Page 50: ...ote of each screw size and location during removal and replacement Service cover NOTE The service cover spare part kit includes rubber feet Description Spare part number For use on computer models with CCCO mark 730564 001 For use on computer models without CCCO mark 745307 001 For use on computer models with RCTO 745308 001 Before removing the disassembling the computer follow these steps 1 Turn ...

Page 51: ...e Phillips PM2 0 4 5 security screw 2 if present NOTE The service cover includes a threaded receptacle for storing the security screw 4 Slide the service cover release latch a second time 3 to release the service cover 5 Release the service cover 4 by sliding it forward 6 Remove the service cover 5 Reverse this procedure to install the service cover Component replacement procedures 43 ...

Page 52: ...ect all external devices from the computer 4 Remove the service cover see Service cover on page 42 WARNING To reduce potential safety issues use only the battery provided with the computer a replacement battery provided by HP or a compatible battery purchased from HP CAUTION Removing a battery that is the sole power source for the computer can cause loss of information To prevent loss of informati...

Page 53: ...2 Use the release tab 2 to lift the rear edge of the battery 3 until the battery rests at an angle 3 Remove the battery Reverse this procedure to install the battery Component replacement procedures 45 ...

Page 54: ...83802 001 320 GB 7200 rpm SATA 7 0 mm hard drive 634862 001 320 GB 5400 rpm SATA 7 0 mm hard drive 645193 001 Before removing the battery follow these steps 1 Turn off the computer If you are unsure whether the computer is off or in Hibernation turn the computer on and then shut it down through the operating system 2 Disconnect the power from the computer by unplugging the power cord from the comp...

Page 55: ...e the hard drive perform the following steps a Position the hard drive with the rear toward you b Remove the four Phillips PM2 75 3 5 screws 1 that secure the hard drive bracket to the hard drive c Remove the hard drive bracket 2 from the hard drive Component replacement procedures 47 ...

Page 56: ...d drive bracket hard drive connector adapter and screws are available in the Hard Drive Hardware Kit spare part number 730539 001 Reverse this procedure to reassemble and install the hard drive 48 Chapter 5 Removal and replacement procedures for Customer Self Repair parts ...

Page 57: ...rom the computer by unplugging the power cord from the computer 3 Disconnect all external devices from the computer 4 Remove the service cover see Service cover on page 42 5 Remove the battery see Battery on page 44 Remove the WWAN module 1 Disconnect the WWAN antenna cables 1 from the terminals on the WWAN module NOTE The WWAN antenna cable labeled 5 connects to the WWAN module Main terminal labe...

Page 58: ...ntenna cables are not connected to the terminals on the WWAN module protective sleeves should be installed on the antenna connectors as shown in the following illustration Reverse this procedure to install the WWAN module 50 Chapter 5 Removal and replacement procedures for Customer Self Repair parts ...

Page 59: ...f the computer If you are unsure whether the computer is off or in Hibernation turn the computer on and then shut it down through the operating system 2 Disconnect the power from the computer by unplugging the power cord from the computer 3 Disconnect all external devices from the computer 4 Remove the service cover see Service cover on page 42 5 Remove the battery see Battery on page 44 Remove th...

Page 60: ...the solid state drive 2 by pulling the drive away from the slot at an angle Reverse this procedure to install the solid state drive 52 Chapter 5 Removal and replacement procedures for Customer Self Repair parts ...

Page 61: ...mputer is off or in Hibernation turn the computer on and then shut it down through the operating system 2 Disconnect the power from the computer by unplugging the power cord from the computer 3 Disconnect all external devices from the computer 4 Remove the service cover see Service cover on page 42 5 Remove the battery see Battery on page 44 Remove the WLAN module 1 Disconnect the WLAN antenna cab...

Page 62: ...ntenna cables are not connected to the terminals on the WLAN module protective sleeves should be installed on the antenna connectors as shown in the following illustration Reverse this procedure to install the WLAN module 54 Chapter 5 Removal and replacement procedures for Customer Self Repair parts ...

Page 63: ...the power from the computer by unplugging the power cord from the computer 3 Disconnect all external devices from the computer 4 Remove the service cover see Service cover on page 42 5 Remove the battery see Battery on page 44 Remove the memory module 1 Spread the retaining tabs 1 on each side of the memory module slot to release the memory module The memory module tilts up 2 Remove the memory mod...

Page 64: ...itzerland 730541 BG1 For use in India 730541 D61 For use in Taiwan 730541 AB1 For use in Israel 730541 BB1 For use in Thailand 730541 281 For use in Italy 730541 061 For use in Turkey 730541 141 For use in Japan 730541 291 For use in the United Kingdom and Singapore 730541 031 For use in Latin America 730541 161 For use in the United States 730541 001 Keyboard without backlight includes and keyboa...

Page 65: ...0540 291 For use in the United Kingdom and Singapore 730540 031 For use in Latin America 730540 161 For use in the United States 730540 001 Before removing the keyboard follow these steps 1 Turn off the computer If you are unsure whether the computer is off or in Hibernation turn the computer on and then shut it down through the operating system 2 Disconnect the power from the computer by unpluggi...

Page 66: ...osen the two captive screws that secure the keyboard to the computer 2 Partially open the computer 3 Rest and secure the computer on its left side 58 Chapter 5 Removal and replacement procedures for Customer Self Repair parts ...

Page 67: ...ard until the keyboard disengages from the computer 5 Open the computer as far as it will open 6 Lift the rear edge of the keyboard 1 until it rests at an angle 7 Slide the keyboard 2 toward the display until the tabs on the front edge of the keyboard disengage from the top cover Component replacement procedures 59 ...

Page 68: ...acklight cable is attached and then disconnect the backlight cable 2 from the system board 10 Release the ZIF connector 3 to which the keyboard cable is attached and then disconnect the keyboard cable 4 from the system board 11 Release the ZIF connector 5 to which the pointing stick cable is attached and then disconnect the pointing stick cable 6 from the system board 60 Chapter 5 Removal and repl...

Page 69: ...12 Remove the keyboard 7 Reverse this procedure to install the keyboard Component replacement procedures 61 ...

Page 70: ...ke special note of each screw size and location during removal and replacement RTC battery Description Spare part number RTC battery includes cable and double sided adhesive 702853 001 Before removing the RTC battery follow these steps 1 Turn off the computer If you are unsure whether the computer is off or in Hibernation turn the computer on and then shut it down through the operating system 2 Di...

Page 71: ...erse this procedure to install the RTC battery Top cover Description Spare part number Top cover 730548 001 Before removing the top cover follow these steps 1 Turn off the computer If you are unsure whether the computer is off or in Hibernation turn the computer on and then shut it down through the operating system 2 Disconnect the power from the computer by unplugging the power cord from the comp...

Page 72: ...ver 1 Close the computer 2 Turn the computer upside down with the front toward you 3 Remove the Phillips PM2 0 3 25 screw 1 that secures the display panel cable bracket and display panel cable to the system board 4 Remove the display panel cable bracket 2 5 Disconnect the display panel cable 3 from the system board 6 Remove the following rubber screw covers 1 This screw cover has a 1 marking on th...

Page 73: ...7 Remove the card reader bezel 4 from the card reader slot 8 Remove the ten Torx T8M2 5 6 5 screws 1 that secure the top cover to the base enclosure Component replacement procedures 65 ...

Page 74: ... Three Phillips PM2 5 4 5 screws 3 Two Phillips PM2 0 3 0 screws 10 Remove the two Phillips PM2 5 4 5 screws 1 that secure the top cover to the base enclosure 11 Remove the top cover 2 Reverse this procedure to install the top cover 66 Chapter 6 Removal and replacement procedures for Customer Self Repair parts ...

Page 75: ...e computer by unplugging the power cord from the computer 3 Disconnect all external devices from the computer 4 Remove the service cover see Service cover on page 42 and then remove the following components a Battery see Battery on page 44 b Hard drive see Hard drive on page 46 c Keyboard see Keyboard on page 56 d Top cover see Top cover on page 63 Remove the display assembly 1 Release the display...

Page 76: ...or any of the display assembly subcomponents a Flex the inside edges of the top edge 1 the left and right sides 2 and the bottom edge 3 of the display bezel until the bezel disengages from the display enclosure b Remove the display bezel 4 The display bezel is available using spare part number 730544 001 68 Chapter 6 Removal and replacement procedures for Customer Self Repair parts ...

Page 77: ...e the work surface is clear of tools screws and any other foreign objects Failure to follow this caution can result in damage to the display panel b Lift the top edge of the display panel 2 and swing it up and forward until it rests upside down in front of the display enclosure c Release the adhesive strip 1 that secures the display panel cable connector to the display panel Component replacement ...

Page 78: ...play panel 7 If it is necessary to replace the webcamera microphone module or the microphone module a Detach the webcamera microphone module 1 from the display enclosure The webcamera microphone module is attached to the display enclosure with double sided adhesive b Disconnect the webcamera microphone module cable 2 from the webcamera microphone module 70 Chapter 6 Removal and replacement procedu...

Page 79: ...le a Detach the display panel cable 1 from the display enclosure The display panel cable is attached to the display enclosure with double sided adhesive b Release the display panel cable from the clip 2 built into the display enclosure c Remove the display panel cable 3 The display panel cable is included in the Display Cable Kit spare part number 730537 001 and includes the webcamera microphone m...

Page 80: ...ges are included in the Display Hinge Kit spare part number 730543 001 10 If it is necessary to replace the WLAN antenna cables and transceivers a Detach the WLAN antenna transceivers 1 from the display enclosure The WLAN antenna transceivers are attached to the display enclosure with double sided adhesive b Release the WLAN antenna cables from the clips 2 built into the left and right sides of th...

Page 81: ...display enclosure The WWAN antenna transceivers are attached to the display enclosure with double sided adhesive b Release the WWAN antenna cables from the clips 2 built into the left and right sides of the display enclosure c Remove the WWAN antenna cables and transceivers 3 The WWAN antenna cables and transceivers are included in the Antenna Kit spare part number 730560 001 Reverse this procedur...

Page 82: ...4 Remove the service cover see Service cover on page 42 and then remove the following components a Battery see Battery on page 44 b Hard drive see Hard drive on page 46 c Keyboard see Keyboard on page 56 d Top cover see Top cover on page 63 Remove the TouchPad 1 Turn the top cover upside down with the front toward you 2 Release the ZIF connector 1 to which the TouchPad cable is attached and then d...

Page 83: ... in Hibernation turn the computer on and then shut it down through the operating system 2 Disconnect the power from the computer by unplugging the power cord from the computer 3 Disconnect all external devices from the computer 4 Remove the service cover see Service cover on page 42 and then remove the following components a Battery see Battery on page 44 b Hard drive see Hard drive on page 46 c K...

Page 84: ... top cover upside down with the front toward you 4 Release the ZIF connector 1 to which the TouchPad cable is attached and then disconnect the TouchPad cable from the card reader board 5 Release the card reader board cable 2 through the opening in the top cover 6 Remove the three Philllips PM2 0 2 0 broad head screws 3 that secure the card reader board to the top cover 76 Chapter 6 Removal and rep...

Page 85: ...7 Remove the card reader board and cable 4 8 Remove the card reader board and cable Reverse this procedure to install the card reader board Component replacement procedures 77 ...

Page 86: ...the service cover see Service cover on page 42 and then remove the following components a Battery see Battery on page 44 b Hard drive see Hard drive on page 46 c Keyboard see Keyboard on page 56 d Top cover see Top cover on page 63 Remove the heat sink 1 Turn the top cover upside down with the front toward you 2 Detach the heat sink shroud 1 from the fan The heat sink shroud is attached to the fan...

Page 87: ... NOTE The thermal material must be thoroughly cleaned from the surfaces of the heat sink and the system board components each time the heat sink is removed Replacement thermal material is included with the heat sink and system board spare part kits Thermal paste is used on the processor 1 and the heat sink section 2 that services it Reverse this procedure to install the heat sink Component replace...

Page 88: ...ces from the computer 4 Remove the service cover see Service cover on page 42 and then remove the following components a Battery see Battery on page 44 b Hard drive see Hard drive on page 46 c Keyboard see Keyboard on page 56 d Top cover see Top cover on page 63 e Heat sink see Heat sink on page 78 Remove the fan 1 Turn the top cover upside down with the front toward you 2 Disconnect the fan cable...

Page 89: ... system board components each time the heat sink is removed Replacement thermal material is included with the heat sink and system board spare part kits Thermal paste is used on the processor 1 and the heat sink section 2 that services it Reverse this procedure to install the fan Component replacement procedures 81 ...

Page 90: ...3 cache 15 W and the Windows 8 Professional operating system 730558 601 Equipped with an Intel Core i5 4200U 1 60 GHz SC turbo up to 2 60 GHz processor 3 00 MB L3 cache 15 W and the Windows 8 Standard operating system 730558 501 Equipped with an Intel Core i5 4200U 1 60 GHz SC turbo up to 2 60 GHz processor 3 00 MB L3 cache 15 W and a non Windows 8 operating system 730558 001 Equipped with an Inte...

Page 91: ...age 49 Solid state drive see Solid state drive on page 51 WLAN module see WLAN module on page 53 Memory modules see Memory module on page 55 Remove the system board 1 Turn the top cover upside down with the front toward you 2 Release the ZIF connector 1 to which the power button board cable is attached and then disconnect the power button board cable from the system board 3 Release the ZIF connect...

Page 92: ... the system board to the top cover 6 Lift up on the right side of the system board 1 until it rests at an angle 7 Remove the system board 2 by sliding it up and to the right at an angle Reverse this procedure to install the system board 84 Chapter 6 Removal and replacement procedures for Customer Self Repair parts ...

Page 93: ...emove the service cover see Service cover on page 42 and then remove the following components a Battery see Battery on page 44 b Hard drive see Hard drive on page 46 c Keyboard see Keyboard on page 56 d Top cover see Top cover on page 63 Remove the fingerprint reader board 1 Turn the top cover upside down with the front toward you 2 Detach the fingerprint reader board cable 1 from the top cover Th...

Page 94: ...n the computer on and then shut it down through the operating system 2 Disconnect the power from the computer by unplugging the power cord from the computer 3 Disconnect all external devices from the computer 4 Remove the service cover see Service cover on page 42 and then remove the following components a Battery see Battery on page 44 b Hard drive see Hard drive on page 46 c Keyboard see Keyboar...

Page 95: ...ly 1 Release the four clips 1 built into the top cover that secure the speaker assembly to the top cover 2 Remove the speaker assembly 2 Reverse this procedure to install the speaker assembly Component replacement procedures 87 ...

Page 96: ...unplugging the power cord from the computer 3 Disconnect all external devices from the computer 4 Remove the service cover see Service cover on page 42 and then remove the following components a Battery see Battery on page 44 b Hard drive see Hard drive on page 46 c Keyboard see Keyboard on page 56 d Top cover see Top cover on page 63 e System board see System board on page 82 Remove the power but...

Page 97: ...2 Remove the power button board 2 and cable Reverse this procedure to install the power button board Component replacement procedures 89 ...

Page 98: ...e of the computer and the amount of system and extended memory NOTE Use extreme care when making changes in Computer Setup Errors can prevent the computer from operating properly Starting Computer Setup NOTE An external keyboard or mouse connected to a USB port can be used with Computer Setup only if USB legacy support is enabled To start Computer Setup follow these steps 1 Turn on or restart the ...

Page 99: ...ns NOTE 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 Computer Setup To exit Computer Setup menus choose one of the following methods To exit Computer Setup menus without saving your changes Click the Exit icon in the lower right corner of the screen and then follow the on screen inst...

Page 100: ...y settings Updating the BIOS Updated versions of the BIOS may be available on the HP website Most BIOS updates on the HP website are packaged in compressed files called SoftPaqs Some download packages contain a file named Readme txt which contains information regarding installing and troubleshooting the file Determining a BIOS version To determine whether available BIOS updates contain later BIOS ...

Page 101: ...to the BIOS version currently installed on your computer Make a note of the date name or other identifier You may need this information to locate the update later after it has been downloaded to your hard drive b Follow the on screen instructions to download your selection to the hard drive If the update is more recent than your BIOS make a note of the path to the location on your hard drive where...

Page 102: ...oot preferences You can use MultiBoot in the following ways To set a new boot order that the computer uses each time it is turned on by changing the boot order in Computer Setup To dynamically choose the boot device by pressing esc while the Press the ESC key for Startup Menu message is displayed at the bottom of the screen and then pressing f9 to enter the Boot Device Options menu To use MultiBoo...

Page 103: ...he MultiBoot startup location menu each time the computer is started or restarted follow these steps 1 Turn on 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 2 Press f10 to enter Computer Setup 3 Use a pointing device or the arrow keys to select Advanced Boot Options MultiBoot Express Boot Popup Delay Sec and...

Page 104: ...FI that allows you to run diagnostic tests to determine if the computer hardware is functioning properly The tool runs outside of the operating system to isolate hardware failures from issues that may be caused by the operating system or other software components To start HP PC Hardware Diagnostics UEFI 1 Turn on or restart the computer quickly press esc and then press f2 After pressing f2 the BIO...

Page 105: ...om 2 Click Support Drivers and then click the Drivers Software tab 3 Enter the product name in the text box and then click Search 4 Select your computer model and then select your operating system 5 In the Diagnostic section click HP UEFI Support Environment or Click Download and then select Run Windows 8 Computer Setup BIOS MultiBoot and HP PC Hardware Diagnostics UEFI 97 ...

Page 106: ...ess the ESC key for Startup Menu message is displayed at the bottom of the screen 2 Press f10 to enter Computer Setup Navigating and selecting in Computer Setup To navigate and select in Computer Setup follow these steps 1 Turn on 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 NOTE You can use either a pointi...

Page 107: ...efaults will not change the hard drive mode To return all settings in Computer Setup to the values that were set at the factory follow these steps 1 Turn on 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 2 Press f10 to enter Computer Setup 3 Use a pointing device or the arrow keys to select File Restore Defau...

Page 108: ...d on the computer you need to know the version of the system BIOS currently installed BIOS version information also known as ROM date and System BIOS can be displayed by pressing fn esc if you are already in Windows or by using Computer Setup 1 Start Computer Setup 2 Use a pointing device or the arrow keys to select File System Information 3 To exit Computer Setup without saving your changes click...

Page 109: ...r after it has been downloaded to your hard drive b Follow the on screen instructions to download your selection to the hard drive If the update is more recent than your BIOS make a note of the path to the location on your hard drive where the BIOS update is downloaded You will need to access this path when you are ready to install the update NOTE If you connect your computer to a network consult ...

Page 110: ...n each time the computer turns on or restarts Choosing MultiBoot preferences You can use MultiBoot in the following ways To set a new boot order that the computer uses each time it is turned on by changing the boot order in Computer Setup To dynamically choose the boot device by pressing esc while the Press the ESC key for Startup Menu message is displayed at the bottom of the screen and then pres...

Page 111: ... to display the MultiBoot startup location menu each time the computer is started or restarted follow these steps 1 Turn on 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 2 Press f10 to enter Computer Setup 3 Use a pointing device or the arrow keys to select System Configuration Boot Options and then press en...

Page 112: ...I that allows you to run diagnostic tests to determine if the computer hardware is functioning properly The tool runs outside of the operating system to isolate hardware failures from issues that may be caused by the operating system or other software components To start HP PC Hardware Diagnostics UEFI 1 Turn on or restart the computer quickly press esc and then press f2 After pressing f2 the BIOS...

Page 113: ...m 2 Click Support Drivers and then click the Drivers Software tab 3 Enter the product name in the text box and then click Search 4 Select your computer model and then select your operating system 5 In the Diagnostic section click HP UEFI Support Environment or Click Download and then select Run Windows 7 Computer Setup BIOS MultiBoot and HP PC Hardware Diagnostics UEFI 105 ...

Page 114: ...Startup Menu message is displayed at the bottom of the screen 2 Press f10 to enter Computer Setup Using Computer Setup Navigating and selecting in Computer Setup To navigate and select in Computer Setup follow these steps 1 Turn on 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 To select a menu or a menu item...

Page 115: ...storing defaults will not change the hard drive mode To return all settings in Computer Setup to the values that were set at the factory follow these steps 1 Turn on 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 2 Press f10 to enter Computer Setup 3 Use a pointing device or the arrow keys to select File Rest...

Page 116: ...layed at the bottom of the screen and then pressing the f1 key Follow the on screen instructions to exit this screen Downloading a BIOS update CAUTION To reduce the risk of damage to the computer or an unsuccessful installation download and install a BIOS update only when the computer is connected to reliable external power using the AC adapter Do not download or install a BIOS update while the co...

Page 117: ...ata to a good sector Memory test This test analyzes the physical condition of the memory modules If it reports an error replace the memory modules immediately Battery test This test analyzes the condition of the battery and calibrates the battery if necessary If the battery fails the test contact support to report the issue and purchase a replacement battery System Tune Up This group of additional...

Page 118: ...int reader webcamera or WWAN module 1 42 kg 3 13 lb Operating voltage and current 19 5 V dc 2 31 A 45 W 19 5 V dc 3 33 A 65 W Temperature Operating 5 C to 35 C 41 F to 95 F Nonoperating 20 C to 60 C 4 F to 140 F Relative humidity non condensing Operating 10 to 90 Nonoperating 5 to 95 Maximum altitude unpressurized Operating 15 m to 3 048 m 50 ft to 10 000 ft Nonoperating 15 m to 12 192 m 50 ft to ...

Page 119: ... 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 HP Support Assistant To access HP Support Assistant on the Start screen select the HP Support Assistant app Backing up your information Recovery after a system failure is as good as your most recent backu...

Page 120: ...ly or create system repair media select models only Performing a system recovery In case of system failure or instability the computer provides the following tools to recover your files Windows recovery tools You can use Windows Backup and Restore to recover information you have previously backed up You can also use Windows Automatic Repair to fix problems that might prevent Windows from starting ...

Page 121: ... screen type e and then click File Explorer or From the Start screen type c and then select Computer NOTE If the Windows partition and the Recovery Image partition are not listed you must recover your operating system and programs using the Windows 8 operating system DVD and the Driver Recovery media both purchased separately For additional information see Using Windows 8 operating system media pu...

Page 122: ...ecovery message is displayed on the screen 5 Follow the on screen instructions Using Windows 8 operating system media purchased separately NOTE Your computer may not come equipped with an internal optical drive In order to use the operating system DVD you may need to plug in an external optical drive To order a Windows 8 operating system DVD go to http www hp com support select your country or reg...

Page 123: ...sion or password when using Refresh See HP Support Assistant for more information To access HP Support Assistant on the Start screen select the HP Support Assistant app To start Refresh 1 On the Start screen point to the far right upper or lower corner of the screen to display the charms 2 Click Settings Remove everything and reinstall Windows Sometimes you want to perform detailed reformatting of...

Page 124: ...he PC settings screen 4 Scroll the right side choices down to display Remove everything and reinstall Windows 5 Under Remove everything and reinstall Windows select Get started and follow the onscreen instructions Using HP Software Setup HP Software Setup can be used to reinstall drivers or select software that has been corrupted or deleted from the system 1 From the Start screen type HP Software ...

Page 125: ... only or an optional external optical drive Backing up your information Creating a system image select models only Scheduling automatic backups select models only Creating system restore points Recovering individual files Restoring the computer to a previous state information using recovery tools NOTE For detailed instructions perform a search for these topics in Help and Support In case of system...

Page 126: ... 1 Select Start All Programs Security and Protection HP Recovery Disc Creator 2 Select Driver DVD or Windows DVD 3 From the drop down menu select the drive for burning the recovery media 4 Click the Burn button to start the burning process Backing up your information Recovery after a system failure is as good as your most recent backup Immediately after software setup you should create system repa...

Page 127: ...ate a system image select models only or create a system repair disc select models only Performing a system recovery In case of system failure or instability the computer provides the following tools to recover your files Windows recovery tools You can use Windows Backup and Restore to recover information you have previously backed up You can also use Windows Startup Repair to fix problems that mi...

Page 128: ...HP Recovery partition To check for the Windows partition select Start Computer To check for the HP Recovery partition click Start right click Computer click Manage and then click Disk Management NOTE If the HP Recovery partition has been deleted the f11 restore option will not function You must recover your operating system and programs using the Windows 7 operating system DVD and the Driver Recov...

Page 129: ... and then click Disk Management NOTE If the HP Recovery partition is not listed you must recover your operating system and programs using the Windows 7 operating system DVD and the Driver Recovery disc both purchased separately For additional information see Using a Windows 7 operating system DVD purchased separately on page 122 NOTE Your computer may not come equipped with an internal optical dri...

Page 130: ...ng system as well as drivers software and utilities To initiate recovery using a Windows 7 operating system DVD NOTE This process takes several minutes NOTE Your computer may not come equipped with an internal optical drive In order to use the operating system DVD you may need to plug in an external optical drive 1 If possible back up all personal files 2 Restart the computer and then insert the W...

Page 131: ...em at the following times At regularly scheduled times Before the computer is repaired or restored Before you add or modify hardware or software To back up your home directory files using Backup Manager Settings 1 Select Computer More Applications Tools Backup Manager Settings and click Backup my home directory 2 Click Storage Destination Location and then select a location to back up your informa...

Page 132: ...perating system and HP programs and drivers that were installed at the factory Software drivers and updates not installed by HP must be manually reinstalled Personal files must be restored from a backup To restore the computer using the HP Factory Image you must first create the recovery ISO file and then burn it to an optical disc NOTE HP recommends that you create the HP Factory Image in the eve...

Page 133: ...ckups of your information Before using this option back up any personal information you wish to retain You can initiate this option by using the f11 key To use the f11 key Press f11 while the computer boots or Press and hold f11 as you press the power button To reinstall SLED follow the steps below 1 Select System Recovery from the boot menu after pressing f11 2 A prompt will appear reading This u...

Page 134: ...based system boards Some of these steps are disclosed in the Maintenance and Service Guides available for HP PC products available on the product support pages at www hp com 1 Follow steps a through I below to restore the nonvolatile memory that can contain personal data Restoring or re programming nonvolatile memory that does not store personal data is neither necessary nor recommended a Enter BI...

Page 135: ...ional Absolute Software Computrace management and tracking service was activated on the notebook PC contact the provider to deactivate it l Remove all power and system batteries for at least 24 hours 2 Remove and retain the storage drive or clear the contents of the drive a Hard Disk Drive HDD Clear the HDD contents by using the HP Disk Sanitizer utility or a third party application that ideally i...

Page 136: ... can be run from DOS A utility is required to write data to this memory and is available from NIC vendor Writing data to this ROM in an inappropriate manner will render the NIC nonfunctional Keyboard ROM 64 KBytes not customer accessible No Yes Stores firmware code keyboard mouse battery management Programmed at the factory Code is updated when the system BIOS is updated A utility is required for ...

Page 137: ...t Engine Firmware present only in models ending in a p or w or with Intel Centrino Pro technology 1 5 or 5 MBytes Yes Yes Stores Management Engine Code Settings Provisioning Data and iAMT third party data store Management Engine Code is programmed at the factory Code is updated via Intel secure firmware update utility Unique Provisioning Data can be entered at the factory or by an administrator us...

Page 138: ...es configuration and calibration data Programmed at the factory Tools for writing data to this memory are not made public A utility is required for writing data to this memory and is typically not made available to the public unless a firmware upgrade is necessary to address a unique issue Webcamera 64 KBits No Yes Store webcamera configuration and firmware Using a utility from the device manufact...

Page 139: ...able to read SPD memory 3 Does the Firmware Hub for System BIOS contain the BIOS program Is this chip writable and if so how The Firmware Hub does contain the BIOS program and is writable A utility is required to perform the write function 4 In some PC systems the Firmware Hub for System BIOS is a flash memory chip so that updates can be written by the customer Is this true for these BIOS chips Ye...

Page 140: ...t and no more than 2 0 m 6 5 ft All power cord sets must be approved by an acceptable accredited agency responsible for evaluation in the country or region where the power cord set will be used The power cord sets must have a minimum current capacity of 10 amps and a nominal voltage rating of 125 or 250 V AC as required by the power system of each country or region The appliance coupler must meet ...

Page 141: ...15P 15 A 250 V configuration 3 The appliance coupler flexible cord and wall plug must bear a T mark and registration number in accordance with the Japanese Dentori Law The flexible cord must be Type VCT or VCTF 3 conductor 1 00 mm conductor size The wall plug must be a two pole grounding type with a Japanese Industrial Standard C8303 7 A 125 V configuration 4 The flexible cord must be Type RVV 3 c...

Page 142: ...in general household waste Follow the local laws and regulations in your area for battery disposal HP encourages customers to recycle used electronic hardware HP original print cartridges and rechargeable batteries For more information about recycling programs see the HP Web site at http www hp com recycle 134 Chapter 12 Recycling ...

Page 143: ...D Display Antenna Kit spare part number 25 35 display assembly removal 67 spare part numbers 24 display bezel removal 68 spare part number 24 34 68 display components 7 display enclosure spare part number 25 35 Display Hinge Kit spare part number 24 34 72 display panel product description 1 removal 69 spare part numbers 24 31 70 display panel cable removal 71 spare part number 25 31 71 Display Pan...

Page 144: ...s 28 30 31 M mass storage devices illustrated 27 precautions 38 spare part numbers 27 memory card reader 15 memory module product description 1 removal 55 spare part numbers 22 30 31 55 microphone location 7 product description 2 microphone jack 15 microphone module removal 70 spare part number 24 35 71 microphone mute light 11 MiniCard solid state drive product description 2 model name 1 mouse sp...

Page 145: ...reader 14 solid state drive precautions 38 primary storage 2 removal 51 spare part numbers 22 28 35 36 51 speaker assembly removal 86 spare part number 21 34 86 speakers location 9 specifications 110 system board removal 82 spare part numbers 21 35 36 82 T tools required 37 top cover removal 63 spare part number 21 34 63 TouchPad removal 74 spare part number 22 34 74 TouchPad button 12 TouchPad co...

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HP EliteBook 820 G1, Maintenance And Service Manual

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