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2.

Thoroughly clean the thermal material 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. The following illustration shows the replacement thermal
material locations.

Thermal paste is used on the heat sink (1) and one system board component (2).

Reverse this procedure to install the heat sink.

System board

To remove the system board, use these procedures and illustrations.

Component replacement procedures

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Содержание 14bt-cb000

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

Страница 2: ... set forth in the express warranty statements accompanying such products and services Nothing herein should be construed as constituting an additional warranty HP shall not be liable for technical or editorial errors or omissions contained herein First Edition April 2021 Document Part Number M47143 001 Product notice This guide describes features that are common to most models Some features may no...

Страница 3: ...ct 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 the...

Страница 4: ...iv Safety warning notice ...

Страница 5: ...stic parts 15 Cables and connectors 15 Drive handling 15 Electrostatic discharge information 16 Generating static electricity 16 Preventing electrostatic damage to equipment 17 Personal grounding methods and equipment 17 Grounding the work area 18 Recommended materials and equipment 18 Cleaning your computer 19 Enabling HP Easy Clean select products only 19 Removing dirt and debris from your compu...

Страница 6: ...ng up resetting and recovering 40 Backing up 40 Resetting 40 Recovering 40 Installing the Chromebook Recovery Utility 41 Creating recovery media 41 Recovering the Chrome operating system 41 Setting up your computer after a reset or recovery 42 Erasing and reformatting the recovery media 42 7 Specifications 43 Computer specifications 43 Display specifications 43 8 Power cord set requirements 45 Req...

Страница 7: ...DMI Display 35 6 cm 14 0 in WLED antiglare eDP narrow bezel 250 nits Full high definition FHD 1920 1080 UWVA 45 CG High definition HD 1366 768 SVA 45 NTSC Memory Soldered on board nonupgradeable LPDDR4x 2933 Supports the following configurations 8 GB 4 GB Primary storage On board embedded MultiMedia Controller eMMC v5 0 configuration 128 GB 64 GB 32 GB Audio and video Dual speakers B O HD Audio HP...

Страница 8: ...ype A Keyboard pointing devices Keyboard with clickpad Full size island style textured keyboard in jet black or spruce blue Full size island style 3 coat paint in jet black or spruce blue Clickpad requirements Image sensor Multitouch gestures enabled Taps enabled as default Power requirements Battery 2 cell 47 Whr lithium polymer Long life Fast charge AC adapter USB Type C 45 W nPFC straight Power...

Страница 9: ... card reader and then press in on the card until it is firmly seated To remove a card Press in on the card and then remove it from the memory card reader 2 AC adapter and battery light White The AC adapter is connected and the battery is fully charged Amber The AC adapter is connected and the battery is charging Blinking amber The battery has an error Off The battery is not charging 3 USB Type C p...

Страница 10: ...entify the components on the left side of the computer Table 2 2 Left side components and their descriptions Component Description 1 USB port Connects a USB device provides high speed data transfer and charges small devices such as a smartphone even when the computer is off NOTE Use a standard USB Type A charging cable or cable adapter purchased separately when charging a small external device 2 U...

Страница 11: ...r 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 10 seconds to turn off the computer 5 Volume button Controls speaker volume on the computer Display Use the illustration and table to identify the components on the display Table 2 3 Display components and their descriptions...

Страница 12: ...optimal 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 Keyboard area Keyboards can vary by language Touchpad The touchpad settings and components are described here Table 2 4 Touchpad component and description Component Descri...

Страница 13: ...n and table to locate the special keys Table 2 6 Special keys and their descriptions Component Description 1 esc key Activates certain computer functions when pressed in combination with other keys such as tab or shift 2 Search key Opens a search box 3 Action keys Execute frequently used system functions Keyboard area 7 ...

Страница 14: ...of a tablet kickstand Service label Provides important information to identify your computer When contacting support you may 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 the following examples Refer to the illustration that most closely matches the service label on your computer Tabl...

Страница 15: ...arranty period Regulatory labels Provide regulatory information about the computer Wireless certification labels Provide information about optional wireless devices and the approval markings for the countries or regions in which the devices have been approved for use Labels 9 ...

Страница 16: ... 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 10 Chapter 3 Illustra...

Страница 17: ...OTE Display assemblies are spared only at the subcomponent level 2 Top cover with keyboard Natural silver not backlit M47696 xx1 Natural silver backlit M47697 xx1 Pale gold not backlit M47698 xx1 Pale gold backlit M47699 xx1 Spruce blue not backlit M47700 001 Spruce blue backlit M47701 001 Computer major components 11 ...

Страница 18: ...r 4 GB of system memory 64 GB of eMMC storage M47680 001 Intel Celeron N4500 processor 4 GB of system memory 32 GB of eMMC storage M47679 001 5 Heat sink includes replacement thermal material M47702 001 6 I O board NOTE I O board cables are available in the Cable Kit as spare part number M47677 001 M47688 001 7 WLAN module NOTE WLAN module protective tape is available as spare part number L92736 0...

Страница 19: ...er M47695 001 3 Wireless antennas M47668 001 4 Camera cable M47673 001 5 Display cable FHD displays M47674 001 HD displays M48173 001 Touch control board cable not illustrated M47675 001 6 Hinges left and right M47678 001 7 Hinge covers left and right M47689 001 8 Display back cover includes wireless antennas and bracket Natural silver M47669 001 Display assembly subcomponents 13 ...

Страница 20: ...Component Spare part number AC adapter USB Type C 45 W nPFC 1 8 m 5 9 ft L43407 001 WLAN module protective tape L92736 001 HP Active Pen L73384 001 Screw Kit M47693 001 Rubber feet M47692 001 Power cord C5 1 0 m 3 3 ft Australia L19358 001 Denmark L19360 001 Europe Austria Belgium Finland France Germany the Netherlands Norway and Sweden L19361 001 India L19363 001 Japan L19365 001 North America L1...

Страница 21: ...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...

Страница 22: ...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...

Страница 23: ...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...

Страница 24: ...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...

Страница 25: ... a disinfectant on page 20 for guidelines to help prevent the spread of harmful bacteria and viruses Removing dirt and debris from your computer Here are the recommended steps to clean dirt and debris from your computer For computers with wood veneer see Caring for wood veneer select products only on page 21 1 Wear disposable gloves made of latex or nitrile gloves if you are latex sensitive when c...

Страница 26: ...urfaces 2 Turn off your device and unplug the power cord and other connected external devices Remove any installed batteries from items such as wireless keyboards CAUTION To prevent electric shock or damage to components never clean a product while it is turned on or plugged in 3 Moisten a microfiber cloth with a mixture of 70 isopropyl alcohol and 30 water The cloth should be moist but not drippi...

Страница 27: ...uses Packaging and transporting guidelines Follow these grounding guidelines when packaging and transporting equipment To avoid hand contact transport products in static safe tubes bags or boxes Protect ESD sensitive parts and assemblies with conductive or approved containers or packaging Keep ESD sensitive parts in their containers until the parts arrive at static free workstations Place items on...

Страница 28: ...s display in the right panel Chrome 1 Go to support google com chrome 2 Search collect Chrome device logs Technical bulletins To locate technical bulletins 1 Go to www hp com 2 Place the cursor over Problem solving to display more options 3 Select Support Troubleshooting 4 Type the serial number product number or product name to go to the product support page 5 Select Advisories to view technical ...

Страница 29: ... You must remove replace or loosen as many as 50 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 15 for initial safety procedures 1 Turn off the...

Страница 30: ...rews 4 5 Starting near the hinge use a tool to work around and release the edges of the bottom cover from the computer 1 6 Remove the bottom cover from the computer 2 To replace the bottom cover reverse the removal procedures Battery To remove the battery use this procedure and illustration 24 Chapter 5 Removal and replacement procedures for authorized service provider parts ...

Страница 31: ...horting across the connectors Before removing the battery follow these steps 1 Prepare the computer for disassembly see Preparation for disassembly on page 23 2 Remove the bottom cover see Bottom cover on page 23 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 I...

Страница 32: ...n 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 23 2 Remove the bottom cover see Bottom cover on page 23 3 Disconnect the battery cable from the system board see Battery ...

Страница 33: ...rotective sleeve on the antenna connector as shown in the following illustration Reverse this procedure to install the WLAN module Speakers To remove the speakers use this procedure and illustration Table 5 4 Speaker description and part number Description Spare part number Speaker Kit M47694 001 Component replacement procedures 27 ...

Страница 34: ...unting holes in the speakers 4 before installation Reverse this procedure to install the speakers Touchpad To remove the touchpad use this procedure and illustration Table 5 5 Touchpad description and part number Description Spare part number Touchpad natural silver M47685 001 Touchpad pale gold M47686 001 Touchpad spruce blue M47687 001 Touchpad cable M47676 001 Before removing the touchpad follo...

Страница 35: ...on Table 5 6 I O board description and part number Description Spare part number I O board M47688 001 I O board cables M47677 001 Before removing the I O board follow these steps 1 Prepare the computer for disassembly see Preparation for disassembly on page 23 2 Remove the bottom cover see Bottom cover on page 23 3 Disconnect the battery cable from the system board see Battery on page 24 Remove th...

Страница 36: ...heat sink follow these steps 1 Prepare the computer for disassembly see Preparation for disassembly on page 23 2 Remove the bottom cover see Bottom cover on page 23 3 Disconnect the battery cable from the system board see Battery on page 24 Remove the heat sink 1 In the order indicated on the heat sink remove the four Phillips M2 0 2 5 screws 1 and then remove the heat sink from the computer 2 30 ...

Страница 37: ... 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 heat sink 1 and one system board component 2 Reverse this procedure to install the heat sink System board To remove the system board use these procedures and illustrations Component replacement procedures 31 ...

Страница 38: ...MMC storage M47680 001 Intel Celeron N4500 processor 4 GB of system memory 32 GB of eMMC storage M47679 001 Before removing the system board follow these steps 1 Prepare the computer for disassembly see Preparation for disassembly on page 23 2 Remove the bottom cover see Bottom cover on page 23 3 Disconnect the battery cable from the system board see Battery on page 24 4 Remove the WLAN module see...

Страница 39: ...ure the system board to the computer 3 Lift the right side of the system board 1 and then release the I O cables 2 4 Pull the board up and to the right to remove it 3 Reverse this procedure to install the system board Component replacement procedures 33 ...

Страница 40: ...ct the antenna cables from the integrated WLAN module 1 and then remove the cable from its routing path along the top of the computer 2 2 Disconnect the camera cable from the system board 3 3 Disconnect the display cable from the system board 4 and then remove the cable from the clips next to the left hinge 5 4 Remove the four Phillips M2 5 6 0 screws 1 that secure the display to the computer 5 Op...

Страница 41: ...p 4 and then rotate it over and place it next to the display rear cover The display panel is available as spare part number M47690 001 for FHD panels and M47691 001 or HD panels c Remove the tape from the connector on the back of the display panel 1 d Disconnect the cable from the panel 2 e Disconnect the cable from the end of the touch control board on the bottom of the panel 3 f Remove the cable...

Страница 42: ...ss the camera module to remove it from the display rear cover 1 b Disconnect the cable from the camera module 2 The camera module including rubber pieces is available as spare part number M47695 001 36 Chapter 5 Removal and replacement procedures for authorized service provider parts ...

Страница 43: ...a Remove the silver tape from the inside of each hinge 1 b Remove the three Phillips broadhead M2 5 3 0 screws 2 from each hinge c Remove the hinges from the display rear cover 3 The display hinges are available as spare part number M47678 001 11 If you need to remove the hinge covers from the hinges a Remove the Phillips M2 0 3 0 screw from the inside of each hinge cover 1 b Slide the hinge cover...

Страница 44: ...atural silver M47670 001 Pale gold M47671 001 Spruce blue 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 second table provides the country codes Table 5 9 Keyboar...

Страница 45: ...M47700 001 Spruce blue backlit M47701 001 Table 5 10 Spare part country codes For use in country or region Spare part number For use in country or region Spare part number For use in country or region Spare part number Belgium A41 Germany 041 Spain 071 Denmark Finland and Norway DH1 Italy 061 United Kingdom 031 French Canada DB1 Japan 291 United States 001 France 051 The Netherlands B31 Component ...

Страница 46: ...d your computer and it still doesn t work properly You want to change the owner of your computer To reset your computer 1 Under the Settings menu select Advanced 2 In the Powerwash section select Powerwash 3 Select Restart 4 In the window that appears select Powerwash and then select Continue 5 Follow the on screen instructions to reset your computer and sign in with your Google Account NOTE The a...

Страница 47: ... Open the Chrome Web Store search for chrome recovery select Chromebook Recovery Utility from the Apps list and follow the on screen instructions Creating recovery media You can use recovery media to recover the original operating system and software programs that were installed at the factory To create recovery media 1 Turn on a computer that has internet access NOTE You must have administrative ...

Страница 48: ... support google com Erasing and reformatting the recovery media When you create recovery media the USB flash drive or SD memory card is formatted as a recovery tool After recovery you must erase the recovery media to reuse your storage device Follow these steps to use the Chromebook Recovery Utility to erase the recovery media 1 Select the Launcher icon and then select All Apps 2 In the apps windo...

Страница 49: ...ower Operating voltage and current 19 5 V dc 2 31 A 45 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 unpressurized Operating 15 m to 3 048 m 50 ft to 10 000 ft Nonoperating 15 m to 12 192 m 50 ft to 40 000 ft NOTE Applicable product safety standards specify thermal lim...

Страница 50: ...pecifications continued Metric U S Resolution 1920 1080 FHD 1368 766 HD Surface treatment Antiglare Brightness 250 nits Viewing angle UWVA FHD SVA HD Backlight WLED Display panel interface eDP 44 Chapter 7 Specifications ...

Страница 51: ...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...

Страница 52: ...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...

Страница 53: ...e 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 47 ...

Страница 54: ...art number 12 display cable illustrated 12 spare part number 12 display panel illustrated 12 spare part number 12 E electrostatic discharge ESD 15 16 preventing damage 15 16 17 esc key identifying 7 G grounding methods 15 16 17 guidelines packaging 15 21 transporting 15 21 workstation 15 H hard drive specifications 43 headphone audio out jack 4 heat sink removal 30 spare part numbers 30 hinge illu...

Страница 55: ...vice labels locating 8 spare part country codes 38 speaker removal 27 spare part numbers 27 speakers identifying 6 specifications computer 43 display 43 hard drive 43 static electricity 15 16 support information 21 system board removal 31 spare part numbers 31 system recovery Chrome operating system 41 Chromebook Recovery Utility 41 recovery media 41 T touchpad illustrated 12 removal 28 spare part...

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