HP EliteBook 835 G8 Maintenance And Service Manual Download

Page: 54 / 111

Remove the battery from the computer (5).

To insert the battery, reverse the removal procedures.

RTC battery

To remove the RTC battery, use this procedure and illustration.

Table 6-2

RTC battery description and part number

Description

Spare part number

RTC battery

L13694-001

Before removing the RTC battery, follow these steps:

Prepare the computer for disassembly (see

Preparation for disassembly on page 32

Remove the bottom cover (see

Bottom cover on page 32

Remove the battery (see

Battery on page 42

Remove the RTC battery:

Disconnect the battery cable from the system board (1).

Chapter 6 Removal and replacement procedures for authorized service provider parts

Summary of Contents for EliteBook 835 G8

Page 1: ...Maintenance and Service Guide SUMMARY This guide provides information about spare parts removal and replacement of parts security backing up and more ...

Page 2: ... errors or omissions contained herein First Edition April 2021 Document Part Number M17148 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 or versions of Windows Systems may require upgraded and or separately purchased hardware drivers software or BIOS update to take f...

Page 3: ...ts that should be accessed by only an authorized service provider IMPORTANT See Removal and replacement procedures for Customer Self Repair parts for details Accessing parts described in Removal and replacement procedures for authorized service provider parts can damage the computer or void your warranty iii ...

Page 4: ...iv Important notice about Customer Self Repair parts ...

Page 5: ...uct the computer air vents Use the computer only on a hard flat surface Do not allow another hard surface such as an adjoining optional printer or a soft surface such as pillows or rugs or clothing to block airflow Also do not allow the AC adapter to come into contact with the skin or a soft surface such as pillows or rugs or clothing during operation The computer and the AC adapter comply with th...

Page 6: ...vi Safety warning notice ...

Page 7: ...3 Bottom 14 Labels 14 Using a SIM card select products only 16 Inserting a nano SIM card 16 Removing a nano SIM card 17 3 Illustrated parts catalog 18 Computer major components 18 Display assembly subcomponents 20 Cable Kit 23 Bracket Kit 23 Plastics Kit 24 Miscellaneous parts 25 4 Removal and replacement procedures preliminary requirements 27 Tools required 27 Service considerations 27 Plastic pa...

Page 8: ...and replacement procedures for authorized service provider parts 42 Component replacement procedures 42 Preparation for disassembly 42 Battery 42 RTC battery 44 Speakers 45 Card reader board 46 Power connector cable 47 USB board 48 Fingerprint reader board 49 Touchpad 50 NFC module 51 Fan 52 Heat sink 53 System board 55 Display assembly 58 Keyboard with top cover 73 7 Backing up restoring and reco...

Page 9: ... by product name or number select products only 80 Installing HP PC Hardware Diagnostics Windows 80 Using HP PC Hardware Diagnostics UEFI 80 Using an HP PC Hardware Diagnostics UEFI hardware failure ID code 80 Starting HP PC Hardware Diagnostics UEFI 81 Downloading HP PC Hardware Diagnostics UEFI to a USB flash drive 81 Downloading the latest HP PC Hardware Diagnostics UEFI version 81 Downloading ...

Page 10: ...88 Computer specifications 88 33 8 cm 13 3 in display specifications 89 Solid state drive specifications 89 11 Statement of memory volatility 91 Current BIOS steps 91 Nonvolatile memory usage 93 Questions and answers 95 Using HP Sure Start select products only 96 12 Power cord set requirements 97 Requirements for all countries 97 Requirements for specific countries and regions 97 13 Recycling 99 I...

Page 11: ... K 30 Hz DisplayPort 2 and FHD 60 Hz HDMI Dual SODIMMs Supports maximum of four independent displays when on the HP USB C 120 W Dock G5 Max resolution 4 K 60 Hz DisplayPort 1 and DisplayPort 2 and FHD 60 Hz HDMI Single SODIMM Supports maximum of four independent displays when on the HP Thunderbolt Dock 120 W G2 Max resolution 4 K 60 Hz DisplayPort 1 4 K 30 Hz DisplayPort 2 and FHD 60 Hz HDMI Type ...

Page 12: ...ht sensor HD IR camera 1000 nits 72 CG eDP PSR Sure View Gen4 ambient light sensor HD camera WWAN 1000 nits 72 CG eDP PSR Sure View Gen4 ambient light sensor HD IR camera WWAN Memory Two customer accessible memory module slots supporting up to 64 GB of RAM DDR4 3200 dual channel support Supports the following configurations 64 GB 32 2 48 GB 32 16 32 GB 16 2 or 32 1 24 GB 16 8 20 GB 16 4 16 GB 8 2 ...

Page 13: ...nalytics Supports Static BIOS SAR for Intel Realtek modules Supports HP Extended Range Wireless LAN Supports HP LAN Wireless Protection WLAN LAN WWAN switching Near Field Communication NFC select products only NXP NPC300 Near Field Communication Module NFC antenna WWAN select products only Intel XMM 7360 LTE Advanced Cat 9 WWAN cards are compatible with a programmable removable eSIM Ports HDMI 1 4...

Page 14: ... ft 45 W right angle 4 5 mm LA Merco 45 W right angle 4 5 mm 2 prong Power cord C5 1 0 m 3 3 ft premium C5 1 0 m 3 3 ft conventional C7 1 0 m 3 3 ft conventional Security Trusted Platform Module TPM 2 0 Touch fingerprint sensor select products only Nano security cable lock Smart card reader active select products only Operating system Windows 10 Home 64 Windows 10 Home 64 Advanced Windows 10 Home ...

Page 15: ...Market PPP Windows 10 Home 64 Single Language India Market PPP Windows 10 Home 64 Single Language Indonesia Market PPP Windows 10 Pro 64 Windows 10 Pro 64 CBB 1909 Windows 10 Pro 64 CBB 2004 Windows 10 Pro 64 Chinese Market Windows 10 Pro 64 StF MSNA Plus Windows 10 Pro 64 StF MSNA Standard FreeDOS 3 0 Restore media Windows 10 Driver DVD Windows 10 Professional 64 bit OS DVD Web only support Windo...

Page 16: ...or installation steps see Inserting a nano SIM card on page 16 2 USB Type C power connector and Thunderbolt ports 2 with HP Sleep and Charge Connect an AC adapter that has a USB Type C connector supplying power to the computer and if needed charging the computer battery and Connect a USB device provide high speed data transfer and charge small devices such as a smartphone even when the computer is...

Page 17: ...components and their descriptions Component Description 1 Security cable slot Attaches an optional security cable to the computer NOTE The security cable is designed to act as a deterrent but it might not prevent the computer from being mishandled or stolen 2 USB SuperSpeed port with HP Sleep and Charge Connects a USB device provides high speed data transfer and charges small devices even when the...

Page 18: ...abled 5 Smart card reader Supports optional smart cards Display Use the illustration and table to identify the display components Table 2 3 Display components and their descriptions Component Description 1 WWAN antennas select products only Send and receive wireless signals to communicate with wireless wide area networks WWANs 2 WLAN antennas select products only Send and receive wireless signals ...

Page 19: ...transmission keep the areas immediately around the antennas free from obstructions For wireless regulatory notices see the section of the Regulatory Safety and Environmental Notices that applies to your country or region To access this guide Type HP Documentation in the taskbar search box and then select HP Documentation Keyboard area Keyboards can vary by language Touchpad The touchpad settings a...

Page 20: ...s on the screen 2 Left control zone Textured area that allows you to perform additional gestures 3 Right control zone Textured area that allows you to perform additional gestures 4 Near Field Communications NFC tapping area and antenna select products only Allows you to wirelessly share information when you tap it with an NFC enabled device Lights Use the illustration and table to identify the lig...

Page 21: ...leep state a power saving state The computer shuts off power to the display and other unnecessary components Off Depending on your computer model the computer is off in Hibernation or in Sleep Hibernation is the power saving state that uses the least amount of power Button speakers vents and fingerprint reader Fingerprint readers can be located on the touchpad on a side panel of the computer or on...

Page 22: ...mputer is in the Sleep state press the button briefly to exit Sleep select products only When the computer is in Hibernation press the button briefly to exit Hibernation IMPORTANT Pressing and holding down the power button results in the loss of unsaved information If the computer has stopped responding and shutdown procedures are ineffective press and hold the power button for at least 4 seconds ...

Page 23: ... with the fn key 2 fn key Executes frequently used system functions when pressed in combination with another key Such key combinations are called hot keys 3 Windows key Opens the Start menu NOTE Pressing the Windows key again will close the Start menu 4 Action keys Execute frequently used system functions 5 Programmable key Executes frequently used tasks Some tasks might not be available on all pr...

Page 24: ...ions Right click the Power meter icon and then select Power Options Bottom Use the illustration and table to identify the bottom component Table 2 8 Bottom component and its description Component Description Vent Enables airflow to cool internal components NOTE The computer fan starts up automatically to cool internal components and prevent overheating It is normal for the internal fan to cycle on...

Page 25: ...ou might be asked for the serial number the product number or the model number Locate this information before you contact support Your service label will resemble one of these examples Refer to the illustration that most closely matches the service label on your computer Table 2 9 Service label components Component 1 HP product name 2 Warranty period 3 Product ID 4 Serial number Table 2 10 Service...

Page 26: ...IM card IMPORTANT You can damage the SIM card if you insert the wrong size card or insert it or the SIM card tray in the wrong direction The card might also become stuck in the slot Do not use SIM card adapters To prevent damage to the SIM card or connectors use minimal force when inserting or removing a SIM card Inserting a nano SIM card To insert a nano SIM card follow these steps 1 Position the...

Page 27: ...irmly seated Removing a nano SIM card Follow these steps to remove a nano SIM card 1 Release the card tray as described above and then remove the card 2 Replace the tray in the computer Press in gently on the tray until it is firmly seated Using a SIM card select products only 17 ...

Page 28: ... continually improves and changes product parts For complete and current information about supported parts for your computer go to http partsurfer hp com select your country or region and then follow the on screen instructions NOTE Details about your computer including model serial number product key and length of warranty are on the service tag at the bottom of your computer 18 Chapter 3 Illustra...

Page 29: ...NOTE The NFC module cable is available in the Cable Kit as spare part number M08526 001 M07214 001 6 Power connector cable M15626 001 7 Real time clock RTC battery L13694 001 8 Card reader board NOTE The card reader board cable is available in the Cable Kit as spare part number M08526 001 M08551 001 9 System board includes integrated processor NOTE All system board spare part kits include replacem...

Page 30: ...01 256 GB PCIe TLC self encrypting drive SED M07245 001 256 GB PCIe value L85354 001 128 GB PCIe TLC M06792 001 14 Solid state drive cover included in Bracket Kit M08556 001 15 Heat sink includes replacement thermal material M27459 001 16 Fan M44335 001 17 System board bracket available in Plastics Kit M07215 001 18 Memory modules DDR4 PC 3200 32 GB M09713 001 16 GB L67710 001 8 GB L46598 001 4 GB...

Page 31: ...nd ambient light sensor M08545 001 For use in models with an IR camera M08546 001 For use in models with an RGB camera and ambient light sensor M08547 001 For use in models with an RGB camera M08548 001 For use in models with a microphone module no camera M15624 001 2 Camera module RGB camera M07216 001 Display assembly subcomponents 21 ...

Page 32: ...rophone module M07208 001 10 Third microphone module M07209 001 11 Ambient light sensor board to hub board cable included in Cable Kit M08526 001 12 Ambient light sensor board to display panel cable included in Cable Kit M08526 001 13 Camera cable included in Cable Kit M08526 001 14 Display cable included in Display Cable Kit M15627 001 15 Hub board For use in models with an RGB camera or micropho...

Page 33: ... cable Ambient light sensor to hub board cable privacy models with WWAN Ambient light sensor to display panel privacy models with WWAN Dual ambient light sensor to hub board cable Dual ambient light sensor to display panel cable Touchpad cable Fingerprint reader board cable Smart card reader to system board cable NFC module to system board cable USB board to system board cable Camera microphone mo...

Page 34: ... 4 USB bracket SIM bracket not illustrated Plastics Kit To identify the Plastics Kit components use this illustration and table Table 3 5 Plastics Kit component descriptions and part numbers Item Component Spare part number Plastics Kit includes M07215 001 1 I O frame 2 SIM card insert 3 WWAN insulator 4 Smart card reader insert 5 Fingerprint reader insert 24 Chapter 3 Illustrated parts catalog ...

Page 35: ...25 001 Power adapter duckhead Japan L33157 001 Power cord C7 conventional 1 0 m 3 3 ft Japan L19375 001 Power cord C5 conventional 1 0 m 3 3 ft Argentina L19357 001 Australia L19358 001 Brazil L19359 001 Denmark L19360 001 Europe Austria Belgium Finland France Germany the Netherlands Norway and Sweden L19361 001 India L19363 001 Israel L19362 001 Italy L19364 001 Japan L19365 001 North America L19...

Page 36: ...stria Belgium Finland France Germany the Netherlands Norway and Sweden L22321 001 India L22624 001 Israel L22323 001 Italy L30813 001 Japan L22330 001 North America L22319 001 People s Republic of China L21930 001 South Africa L22325 001 South Korea L22328 001 Switzerland L22324 001 Taiwan L22329 001 Thailand L22326 001 United Kingdom L22320 001 26 Chapter 3 Illustrated parts catalog ...

Page 37: ...to prevent damage Plastic parts Using excessive force during disassembly and reassembly can damage plastic parts Cables and connectors Handle cables with extreme care to avoid damage IMPORTANT When servicing the computer be sure that cables are placed in their proper locations during the reassembly process Improper cable placement can damage the computer Apply only the tension required to unseat o...

Page 38: ...tive devices or microcircuitry Often the spark is neither felt nor heard but damage occurs An electronic device exposed to electrostatic discharge ESD might not appear to be affected at all and can work perfectly throughout a normal cycle The device might function normally for a while but it has been degraded in the internal layers reducing its life expectancy Networks built into many integrated c...

Page 39: ...ssemblies with conductive or approved containers or packaging Keep electrostatic sensitive parts in their containers until they arrive at static free stations Place items on a grounded surface before removing them from their container Always be properly grounded when touching a sensitive component or assembly Avoid contact with pins leads or circuitry Place reusable electrostatic sensitive parts f...

Page 40: ...when fixtures must directly contact dissipative surfaces Keep the work area free of nonconductive materials such as ordinary plastic assembly aids and polystyrene foam Use conductive field service tools such as cutters screwdrivers and vacuums Avoid contact with pins leads or circuitry Recommended materials and equipment HP recommends certain materials and equipment to prevent static electricity A...

Page 41: ...s arrive at static free workstations Place items on a grounded surface before removing items from their containers Always be properly grounded when touching a component or assembly Store reusable ESD sensitive parts from assemblies in protective packaging or nonconductive foam Use transporters and conveyors made of antistatic belts and roller bushings Be sure that mechanized equipment used for mov...

Page 42: ...or loosen as many as 8 screws when you service Customer Self Repair parts Make special note of each screw size and location during removal and replacement Preparation for disassembly To prepare to disassemble the computer use these steps See Removal and replacement procedures preliminary requirements on page 27 for initial safety procedures 1 Turn off the computer If you are unsure whether the com...

Page 43: ...ver reverse the removal procedures Memory modules To remove the memory modules use this procedure and illustration Table 5 2 Memory module descriptions and part numbers Description Spare part number 32 GB DDR4 3200 M09713 001 16 GB DDR4 3200 L67710 001 8 GB DDR4 3200 L46598 001 4 GB DDR4 3200 L83673 001 Memory module cover included in Bracket Kit M08556 001 Component replacement procedures 33 ...

Page 44: ...ttom cover on page 32 3 Disconnect the battery cable from the system board see Battery on page 42 If you are replacing a memory module remove the existing memory module 1 Use the tab 1 to lift the cover off the memory modules 2 The cover is held in place by clips on the system board 34 Chapter 5 Removal and replacement procedures for Customer Self Repair parts ...

Page 45: ... module by the edges only Do not touch the components on the memory module To protect a memory module after removal place it in an electrostatic safe container To install a memory module 1 Align the notched edge of the module with the tab in the slot 1 and then press the module into the slot at an angle until it is seated 2 2 Press down on the module until the side retention clips snap into place ...

Page 46: ...le authorized for use in the computer by the governmental agency that regulates wireless devices in your country or region If you replace the module and then receive a warning message remove the module to restore device functionality and then contact technical support Before removing the WLAN module follow these steps 1 Prepare the computer for disassembly see Preparation for disassembly on page 3...

Page 47: ...Main terminal The 2 black WLAN antenna cable connects to the WLAN module 1 Aux terminal 3 If the WLAN antenna is not connected to the terminal on the WLAN module install a protective sleeve on the antenna connector as shown in the following illustration Reverse this procedure to install the WLAN module WWAN module To remove the WWAN module use this procedure and illustration Component replacement ...

Page 48: ... these steps 1 Prepare the computer for disassembly see Preparation for disassembly on page 32 2 Remove the bottom cover see Bottom cover on page 32 3 Disconnect the battery cable from the system board see Battery on page 42 Remove the WWAN module 1 Disconnect the WWAN antenna cables 1 from the terminals on the WWAN module 2 Remove the Phillips M2 0 2 0 screw 2 that secures the WWAN module to the ...

Page 49: ... GB PCIe TLC L85360 002 512 GB PCIe TLC self encrypting drive SED L85368 002 512 GB PCIe value L85364 002 256 GB PCIe TLC L85350 002 256 GB PCIe TLC self encrypting drive SED M07245 002 256 GB PCIe value L85354 002 128 GB PCIe TLC M06792 001 Solid state drive cover included in Bracket Kit M08556 001 Before removing the solid state drive follow these steps 1 Prepare the computer for disassembly see...

Page 50: ...he cover is held in place by clips on the system board 1 Remove the Phillips M2 0 2 5 screw 1 that secures the drive to the computer 2 Pull the drive away from the socket to remove it 2 40 Chapter 5 Removal and replacement procedures for Customer Self Repair parts ...

Page 51: ... into the clips on the system board near the sides of the solid state drive To install the solid state drive reverse the removal procedures NOTE Solid state drives are designed with a notch to prevent incorrect insertion Component replacement procedures 41 ...

Page 52: ... then follow the on screen instructions You must remove replace or loosen as many as 53 screws when you service the parts described in this chapter Make special note of each screw size and location during removal and replacement Preparation for disassembly To remove and replace computer components use these procedures See Removal and replacement procedures preliminary requirements on page 27 for i...

Page 53: ...ry follow these steps 1 Prepare the computer for disassembly see Preparation for disassembly on page 32 2 Remove the bottom cover see Bottom cover on page 32 WARNING To reduce potential safety issues use only the user replaceable battery provided with the computer a replacement battery provided by HP or a compatible battery purchased from HP IMPORTANT Removing a battery that is the sole power sour...

Page 54: ...are part number RTC battery L13694 001 Before removing the RTC battery follow these steps 1 Prepare the computer for disassembly see Preparation for disassembly on page 32 2 Remove the bottom cover see Bottom cover on page 32 3 Remove the battery see Battery on page 42 Remove the RTC battery 1 Disconnect the battery cable from the system board 1 44 Chapter 6 Removal and replacement procedures for ...

Page 55: ...w these steps 1 Prepare the computer for disassembly see Preparation for disassembly on page 32 2 Remove the bottom cover see Bottom cover on page 32 3 Disconnect the battery cable from the system board see Battery on page 42 Remove the speakers 1 Disconnect the speaker cable from the system board 1 2 Remove the cable between the speakers from the clips along the bottom of the battery 2 3 Remove t...

Page 56: ...moving the card reader board follow these steps 1 Prepare the computer for disassembly see Preparation for disassembly on page 32 2 Remove the bottom cover see Bottom cover on page 32 3 Remove the battery see Battery on page 42 4 Remove the left speaker see Speakers on page 45 Remove the card reader board 1 Disconnect the cable from the reverse ZIF connector on the card reader board 1 2 Remove the...

Page 57: ...re removing the power connector cable follow these steps 1 Prepare the computer for disassembly see Preparation for disassembly on page 32 2 Remove the bottom cover see Bottom cover on page 32 3 Disconnect the battery cable from the system board see Battery on page 42 Remove the power connector cable 1 Disconnect the cable from the system board 1 and then remove the cable from the clip 2 Remove th...

Page 58: ... USB board follow these steps 1 Prepare the computer for disassembly see Preparation for disassembly on page 32 2 Remove the bottom cover see Bottom cover on page 32 3 Disconnect the battery cable from the system board see Battery on page 42 Remove the USB board 1 Disconnect the smaller cable from the USB board 1 2 Disconnect the larger cable from the ZIF connector on the USB board 2 3 Remove the ...

Page 59: ...rprint reader board bracket included in Bracket Kit M08556 001 Before removing the fingerprint reader board follow these steps 1 Prepare the computer for disassembly see Preparation for disassembly on page 32 2 Remove the bottom cover see Bottom cover on page 32 3 Remove the battery see Battery on page 42 Remove the fingerprint reader board 1 Disconnect the cable from the ZIF connector on the fing...

Page 60: ...oving the touchpad follow these steps 1 Prepare the computer for disassembly see Preparation for disassembly on page 32 2 Remove the bottom cover see Bottom cover on page 32 3 Remove the battery see Battery on page 42 Remove the touchpad 1 Disconnect the cable from the ZIF connector on the touchpad 1 2 Lift the tape from the touchpad 2 3 Disconnect the cable from the reverse ZIF connector on the N...

Page 61: ...ncluded in Cable Kit M08526 001 Before removing the NFC module follow these steps 1 Prepare the computer for disassembly see Preparation for disassembly on page 32 2 Remove the bottom cover see Bottom cover on page 32 3 Remove the battery see Battery on page 42 Remove the NFC module 1 Disconnect the system board cable from the ZIF connector on the NFC module 1 2 Disconnect the touchpad cable from ...

Page 62: ... Fan assembly M44335 001 Before removing the fan follow these steps 1 Prepare the computer for disassembly see Preparation for disassembly on page 32 2 Remove the bottom cover see Bottom cover on page 32 3 Disconnect the battery cable from the system board see Battery on page 42 Remove the fan assembly 1 Disconnect the fan cable from the system board 1 2 Remove the cables from the clips on the sid...

Page 63: ...ers Description Spare part number Heat sink M27459 001 Before removing the heat sink follow these steps 1 Prepare the computer for disassembly see Preparation for disassembly on page 32 2 Remove the bottom cover see Bottom cover on page 32 3 Disconnect the battery cable from the system board see Battery on page 42 Remove the heat sink 1 In the order indicated on the heat sink loosen the four capti...

Page 64: ...ment thermal material is included with the heat sink and system board spare part kits The following illustration shows the replacement thermal material locations Thermal paste is used on the system board component 1 and on the heat sink area 2 that services it Reverse this procedure to install the heat sink 54 Chapter 6 Removal and replacement procedures for authorized service provider parts ...

Page 65: ...on page 32 2 Remove the bottom cover see Bottom cover on page 32 3 Remove the battery see Battery on page 42 4 Remove the fan see Fan on page 52 When you replace the system board be sure to remove the following components as applicable from the defective system board and install them on the replacement system board Memory modules see Memory modules on page 33 WLAN module see WLAN module on page 36...

Page 66: ... ZIF 11 Keyboard backlight cable ZIF select products only 12 RTC battery cable 13 NFC module cable ZIF select products only 14 Fingerprint reader cable ZIF select products only 15 2 Remove the cables from the clip in the bracket 1 56 Chapter 6 Removal and replacement procedures for authorized service provider parts ...

Page 67: ... bracket 3 The plastic bracket is available in the Plastics Kit as spare part number M07215 001 4 Remove the two Phillips M2 0 4 0 screws 1 and the three Phillips M2 0 2 0 screws 2 that secure the system board to the computer 5 Remove the SIM card insert from the computer 3 Component replacement procedures 57 ...

Page 68: ... at the subcomponent level Before removing the display panel follow these steps 1 Prepare the computer for disassembly see Preparation for disassembly on page 32 2 Remove the bottom cover see Bottom cover on page 32 3 Disconnect the battery cable from the system board see Battery on page 42 4 Remove the power connector cable see Power connector cable on page 47 Remove the display assembly 1 Discon...

Page 69: ...the clips along the side of the fan 6 3 Remove the five Phillips M2 5 4 0 screws 1 that secure the display assembly to the computer 4 Rotate the display to open the hinges 2 5 Separate the display assembly from the computer 3 6 If you need to replace display assembly subcomponents Component replacement procedures 59 ...

Page 70: ...M15624 001 Microphone module only no camera module 7 If you need to remove the hinge cover from the display enclosure a Remove the Phillips M1 6 3 0 screw 1 that secures the hinge cover to the display b Slide the hinge cover toward the right 2 c Rotate the bottom of the hinge cover up and then remove it from the display 3 d Note the location of all cables hidden by the hinge cover so that you can ...

Page 71: ...sure a Remove the three Phillips M2 0 10 0 screws 1 from each hinge b Remove the hinges from the display 2 The hinges are available in the Hinge Kit as spare part number M08555 001 9 If you need to remove the display panel Component replacement procedures 61 ...

Page 72: ... pull the tape out from behind the display panel 3 You must pull the tape multiple times before it is completely removed c Rotate the display panel over and place it next to the display enclosure 4 Display panels are available as the following spare part numbers M53852 001 1000 nit panel M53849 001 250 nits UWVA M53850 001 250 nits IR camera Touch on Panel TOP M53851 001 400 nits IR camera ambient...

Page 73: ... of the adhesive strips 1 b Starting near the bottom of the inside of the display back cover 2 install the adhesive strips on both the left and right sides by aligning them with the groove on the edge of cover 3 c Peel the protective layer from the top of the adhesive strips 4 d Install the previously selected alignment tools onto the upper left and right corners of the display rear cover 5 Compon...

Page 74: ...are positioned up against the insides of the alignment tools The double sided adhesive strips are available as spare part number M14479 001 f Remove the alignment tool g Replace the bezel by pressing along the bottom sides and then top of the bezel to snap it into place 64 Chapter 6 Removal and replacement procedures for authorized service provider parts ...

Page 75: ...ion the computer upside down on a table j Leave the computer upside down on the table for 20 minutes to allow the adhesive to set k Position the computer upright on a table l Leave the computer upright on the table for 10 minutes to be sure that the panel sits correctly in the display Component replacement procedures 65 ...

Page 76: ... cable route through the left hinge 2 12 If you need to remove the hub board from the display a Disconnect the display cable from the ZIF connector 1 on the hub board b Disconnect the camera cable from the ZIF connector 2 on the hub board c Disconnect the smaller cables from the reverse ZIF connectors on the hub board 3 d Use a tool 4 to release the board from the display rear cover 5 The hub boar...

Page 77: ...rom the display disconnect the cable from the reverse ZIF connector on the board 1 and then use a tool 2 to release the sensor from the computer 3 The ambient light sensor is available as spare part number M07212 001 Component replacement procedures 67 ...

Page 78: ...M07213 001 or M08553 001 for privacy models with WWAN 15 If you need to remove the microphone board from the display disconnect the cable from the reverse ZIF connector on the board 1 and then use a tool 2 to release the board from the computer 3 The microphone board is available as spare part number M07208 001 and M07209 001 for the rear facing third microphone 68 Chapter 6 Removal and replacemen...

Page 79: ...ck cover 2 and then disconnect the cable from the reverse ZIF connector on the module 3 The camera module is available as spare part number M07216 001 for RGB cameras and M08549 001 for IR cameras NOTE For installing note that the cable routes under the camera module before it connects to the module Component replacement procedures 69 ...

Page 80: ...display panel cable is available as spare part number M15627 001 18 If you need to remove the camera cable disconnect the cable from the ZIF connector on the hub board 1 and then peel the cable off the inside of the display back cover to remove it 2 The camera cable is available in the Cable Kit as spare part number M08526 001 70 Chapter 6 Removal and replacement procedures for authorized service ...

Page 81: ...e bottom of the cover 2 3 and then remove the antennas and cables 4 20 If you need to remove the WWAN antenna cables peel the antennas off the inside of the display back cover 1 remove the cables from the clips in the back 2 and near the hinge on the display back cover 3 and then remove the antennas and cables 4 Component replacement procedures 71 ...

Page 82: ...he ambient light sensor board 1 and hub board 2 and then peel the cable off the inside of the display back cover to remove it 3 The ambient light sensor cable is available in the Cable Kit as spare part number M08526 001 72 Chapter 6 Removal and replacement procedures for authorized service provider parts ...

Page 83: ...thout WWAN 250 nits Touch on Panel TOP M36393 001 Models without WWAN privacy M44336 001 Models with WWAN 1000 nits Reverse this procedure to reassemble and replace the display assembly Keyboard with top cover The top cover with keyboard remains after removing all other spare parts from the computer In this section the first table provides the main spare part number for the top cover keyboards The...

Page 84: ...rea AD1 Chile 161 Israel BB1 Spain 071 Czech Republic Slovakia FL1 Italy 061 Switzerland BG1 Denmark 081 Japan 291 Taiwan AB1 Denmark Finland and Norway DH1 The Netherlands B31 Thailand 281 French Canada DB1 Northern Africa FP1 Turkey 141 Finland Sweden B71 Norway 091 Turkey F 541 France 051 Portugal 131 Ukraine BD1 Germany 041 Romania 271 United Kingdom 031 Greece 151 Russia 251 United States 001...

Page 85: ...s NOTE If computer storage is 32 GB or less Microsoft System Restore is disabled by default Using the HP Cloud Recovery Download Tool to create recovery media select products only You can use the HP Cloud Recovery Download Tool to create HP Recovery media on a bootable USB flash drive For details Go to http www hp com support search for HP Cloud Recovery and then select the result that matches the...

Page 86: ...original operating system and software programs that were installed at the factory On select products it can be created on a bootable USB flash drive using the HP Cloud Recovery Download Tool For details see Using the HP Cloud Recovery Download Tool to create recovery media select products only on page 75 NOTE If you cannot create recovery media yourself contact support to obtain recovery discs Go...

Page 87: ...t and then follow the on screen instructions Using HP Sure Recover select products only Select computer models are configured with HP Sure Recover a PC operating system OS recovery solution built into the hardware and software HP Sure Recover can fully restore the HP OS image without installed recovery software Using HP Sure Recover an administrator or user can restore the system and install Lates...

Page 88: ...es hardware replacement a 24 digit failure ID code is generated for select component tests For interactive tests such as keyboard mouse or audio and video palette you must perform troubleshooting steps before you can receive a failure ID You have several options after you receive a failure ID Select Next to open the Event Automation Service EAS page where you can log the case or Scan the QR code w...

Page 89: ...est that you want to run and then follow the on screen instructions NOTE To stop a diagnostic test select Cancel Downloading HP PC Hardware Diagnostics Windows The HP PC Hardware Diagnostics Windows downloading instructions are provided in English only You must use a Windows computer to download this tool because only exe files are provided Downloading the latest HP PC Hardware Diagnostics Windows...

Page 90: ...is functioning properly The tool runs outside the operating system so that it can isolate hardware failures from issues that are caused by the operating system or other software components NOTE For Windows 10 S computers you must use a Windows computer and a USB flash drive to download and create the HP UEFI support environment because only exe files are provided For more information see Downloadi...

Page 91: ...dware Diagnostics UEFI downloading instructions are provided in English only and you must use a Windows computer to download and create the HP UEFI support environment because only exe files are provided Downloading the latest HP PC Hardware Diagnostics UEFI version To download the latest HP PC Hardware Diagnostics UEFI version to a USB flash drive follow this procedure 1 Go to http www hp com go ...

Page 92: ...upport 2 Select Software and Drivers select your type of product enter the product name or number in the search box that is displayed select your computer and then select your operating system 3 In the Diagnostics section follow the on screen instructions to select and download the Remote UEFI version for the product Customizing Remote HP PC Hardware Diagnostics UEFI settings Using the Remote HP P...

Page 93: ...omization selections 4 Select Main and then Save Changes and Exit to save your settings Your changes take effect when the computer restarts Using Remote HP PC Hardware Diagnostics UEFI settings select products only 83 ...

Page 94: ...r use a pointing device to select the item To scroll up and down select the up arrow or the down arrow in the upper right corner of the screen or use the up arrow key or the down arrow key on the keyboard To close open dialog boxes and return to the main Computer Setup screen press esc and then follow the on screen instructions To exit Computer Setup choose one of the following methods To exit Com...

Page 95: ...Setup 1 Start Computer Setup See Using Computer Setup on page 84 2 Select Main and then select System Information 3 To exit Computer Setup menus without saving your changes select Main select Ignore Changes and Exit and then select Yes NOTE If you are using arrow keys to highlight your choice you must then press enter To check for later BIOS versions see Preparing for a BIOS update on page 85 Prep...

Page 96: ...ctions that are displayed on the screen after the download is complete If no instructions are displayed follow these steps 1 Type file in the taskbar search box and then select File Explorer 2 Select your hard drive designation The hard drive designation is typically Local Disk C 3 Using the hard drive path you recorded earlier open the folder that contains the update 4 Double click the file that ...

Page 97: ...uter Setup See Using Computer Setup on page 84 2 Select Security select TPM Embedded Security and then follow the on screen instructions Using HP Sure Start select products only Select computer models are configured with HP Sure Start a technology that monitors the computer s BIOS for attacks or corruption If the BIOS becomes corrupted or is attacked HP Sure Start automatically restores the BIOS t...

Page 98: ...t 250 nits nontouch or touch 19 2 mm 0 76 in Weight 400 nit nontouch panel 1 297 kg 2 86 lbs 250 nit touch panel 1 419 kg 3 13 lbs Input power 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 noncondensing Operating 10 to 90 Nonoperating 5 to 95 Maximum altitude unpressu...

Page 99: ...m 50 8 mm 50 8 mm 50 8 mm 50 8 mm Width 28 9 mm 28 9 mm 28 9 mm 28 9 mm 28 9 mm Weight 10 g 10 g 10 g 10 g 10 g Interface type PCIe PCIe PCIe PCIe PCIe Ready time maximum to not busy 1 0 ms 1 0 ms 1 0 ms 1 0 ms 1 0 ms Access times logical 1 0 ms 0 1 ms 0 1 ms 0 1 ms 0 1 ms Transfer rate Sequential read up to 2150 MB s up to 2150 MB s up to 2150 MB s up to 2150 MB s up to 2150 MB s Random read Up t...

Page 100: ...ng temperature 0 C to 70 C 32 F to 158 F 1 GB 1 billion bytes when referring to hard drive storage capacity Actual accessible capacity is less Actual drive specifications can differ slightly NOTE Certain restrictions and exclusions apply Contact support for details 90 Chapter 10 Specifications ...

Page 101: ...ase before beginning steps in this chapter Current BIOS steps Use these instructions to restore nonvolatile memory 1 Follow these steps to restore the nonvolatile memory that can contain personal data Restoring or reprogramming nonvolatile memory that does not store personal data is neither necessary nor recommended a Turn on or restart the computer and then quickly press esc NOTE If the system ha...

Page 102: ...hours 2 Complete one of the following Remove and retain the storage drive or Clear the drive contents by using a third party utility designed to erase data from an SSD or Clear the contents of the drive by using the following BIOS Setup Secure Erase command option steps If you clear data using Secure Erase you cannot recover it a Turn on or restart the computer and then quickly press esc b Select ...

Page 103: ...OS or by changing the Windows date time This memory is not write protected Controller NIC EEPROM 64 KB not customer accessible No Yes Stores NIC configuration and NIC firmware NIC EEPROM is programmed using a utility from the NIC vendor that can be run from DOS A utility must be used to write data to this memory and is available from the NIC vendor Writing data to this ROM in an inappropriate mann...

Page 104: ...ting the firmware Only firmware updates digitally signed by Intel can be applied using this utility Bluetooth flash select products only 2 megabits No Yes Stores Bluetooth configuration and firmware Bluetooth flash is programmed at the factory Tools for writing data to this memory are not publicly available but can be obtained from the silicon vendor A utility must be used for writing data to this...

Page 105: ...ic system diagnostics The UEFI BIOS provides functionality beyond that of the legacy BIOS In addition the UEFI BIOS works to initialize the computer s hardware before loading and executing the OS the runtime environment allows the loading and execution of software programs from storage devices to provide more functionality such as advanced hardware diagnostics with the ability to display more deta...

Page 106: ...ar or delete all Secure Boot Keys a Turn on or restart the computer and then quickly press esc b Select the Security menu select Secure Boot Configuration and then follow the on screen instructions c At the Secure Boot Configuration window select Secure Boot select Clear Secure Boot Keys and then follow the on screen instructions to continue Using HP Sure Start select products only Select computer...

Page 107: ...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 A and a nominal voltage rating of 125 V ac or 250 V ac as required by the power system of each country or region The appliance coupler must meet the mechanical configuration of an...

Page 108: ...lexible 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 VCTF three conductor 0 75 mm or 1 25 mm conductor size The wall plug must be a two pole grounding type with a Japanese Industrial Standard C8303 7 A 125 V ac configuration 4 The flexible cord must be Type RVV three conductor 0 75 mm conductor size Power c...

Page 109: ...he battery 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 website at http www hp com recycle 99 ...

Page 110: ...ber 52 fingerprint reader board removal 49 spare part numbers 49 fingerprint reader bracket illustrated 23 fingerprint reader insert illustrated 24 fn key identifying 13 G grounding methods 27 28 29 guidelines packaging 27 31 transporting 27 31 workstation 27 H hard drive specifications 88 heat sink removal 53 spare part numbers 53 HP PC Hardware Diagnostics UEFI downloading 81 failure ID code 80 ...

Page 111: ... 6 S Screw Kit spare part number 25 sensors product description 3 serial number computer 14 service labels locating 14 setup utility navigating and selecting 84 restoring factory settings 84 SIM card insert illustrated 24 SIM card inserting 16 slots nano SIM card slot 6 smart card insert illustrated 24 solid state drive removal and replacement 39 specifications 89 solid state drive cover illustrat...

Search results

Summary of Contents for EliteBook 835 G8

Reviews:

Related manuals for EliteBook 835 G8

Brands by name

Popular brands

HP EliteBook 835 G8, Maintenance And Service Manual

Search results

Summary of Contents for EliteBook 835 G8

Reviews:

Related manuals for EliteBook 835 G8

Brands by name

Popular brands