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System board

NOTE:

The system board spare part kit includes the processor, heat sink, and replacement thermal material.

Table 5-7

  System board spare part information

Description

Spare part number

Equipped with an Intel Celeron N4120 processor, 8 GB of system memory, 64 GB of eMMC system storage, and 
the Google Chrome operating system

L89782-001

Equipped with an Intel Celeron N4120 processor, 8 GB of system memory, 32 GB of eMMC system storage, and 
the Google Chrome operating system

L89781-001

Equipped with an Intel Celeron N4120 processor, 4 GB of system memory, 32 GB of eMMC system storage, and 
the Google Chrome operating system

L89780-001

Equipped with an Intel Celeron N4020 processor, 4 GB of system memory, 64 GB of eMMC system storage, and 
the Google Chrome operating system

L89779-001

Equipped with an Intel Celeron N4020 processor, 4 GB of system memory, 32 GB of eMMC system storage, and 
the Google Chrome operating system

L89778-001

Equipped with an Intel Celeron N4020 processor, 4 GB of system memory, 16 GB of eMMC system storage, and 
the Google Chrome operating system

L89777-001

Before removing the system board, follow these steps:

1.

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.

2.

Disconnect all external devices connected to the computer.

3.

Disconnect the power from the computer by first unplugging the power cord from the AC outlet, and then 
unplugging the AC adapter from the computer.

4.

Remove the keyboard/top cover (see 

Keyboard/top cover on page 23

).

5.

Disconnect the battery cable from the system board (see 

Battery on page 31

).

6.

Remove the WLAN module (see 

WLAN module on page 33

).

Remove the system board:

1.

Release the shielding (1) that covers the connector board cable ZIF connectors on the system board.

2.

Release the ZIF connectors (2) to which the connector board cables are connected, and then disconnect 
the connector board cables from the system board.

3.

Release the shielding (3) that covers the power cable connector.

4.

Disconnect the power cable (4) from the connector board.

5.

Disconnect the webcam module cable (5) from the system board.

6.

Release the shielding (6) that covers the display panel cable connector.

7.

Disconnect the display panel cable (7) from the system board.

8.

Disconnect the speaker cable (8) from the system board.

38

Chapter 5   Removal and replacement procedures

Summary of Contents for Chromebook 11 G8 Education Edition

Page 1: ...Maintenance and Service Guide HP Chromebook 11 G8 Education Edition IMPORTANT This document is intended for HP authorized service providers only ...

Page 2: ...or omissions contained herein First Edition January 2020 Document Part Number L89292 001 Product notice This guide describes features that are common to most models Some features may not be available on the computer To access the latest user guides go to http www hp com support and follow the instructions to find your product Then select User Guides Software terms By installing copying downloading...

Page 3: ...e device 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 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 iii ...

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

Page 5: ...ent procedures preliminary requirements 18 Tools required 18 Service considerations 18 Plastic parts 18 Cables and connectors 18 Drive handling 19 Electrostatic discharge damage 19 Packaging and transporting guidelines 20 Workstation guidelines 21 Equipment guidelines 21 5 Removal and replacement procedures 23 Component replacement procedures 23 Keyboard top cover 23 Touchpad cable 27 Touchpad 28 ...

Page 6: ...tting 53 Recovering 53 Installing the Chromebook Recovery Utility 54 Creating recovery media 54 Recovering the Chrome operating system 54 Setting up your computer after a reset or recovery 55 Erase and reformat the recovery media 55 8 Power cord set requirements 56 Requirements for all countries 56 Requirements for specific countries and regions 57 9 Recycling 59 Index 60 vi ...

Page 7: ...ntiglare WLED SVA LCD eDP 45 slim non touchscreen display typical brightness 220 nits Memory Support for the following LPDDR4 4266 0 6 V non upgradeable on board system memory in 16 GB configuration LPDDR4 3733 1 1 V non upgradeable on board system memory in 16 GB and 8 GB configurations Storage Embedded Multimedia Controller eMMC Supports MO 276 MMC v 5 0 in 64 32 and 16 GB configurations Audio a...

Page 8: ...1 Product description continued Category Description Supports a 1 meter C5 power cord Operating system Preinstalled Chrome64 Serviceability End user replaceable parts AC adapter 2 Chapter 1 Product description ...

Page 9: ...ation see the Regulatory Safety and Environmental Notices NOTE When a device is connected to the jack the computer speakers are disabled 2 MicroSD memory card reader Reads optional memory cards that enable you to store manage share or access information To insert a card 1 Hold the card label side up with connectors facing the computer 2 Insert the card into the memory card reader and then press in...

Page 10: ...er that has a USB Type C connector supplying power to the computer and if needed charging the computer battery and Connects a USB device that has a Type C connector such as a cell phone camera activity tracker or smartwatch and provides data transfer and Connects a display device that has a USB Type C connector providing DisplayPort output NOTE Cables adapters or both purchased separately may be r...

Page 11: ...ter that has a USB Type C connector supplying power to the computer and if needed charging the computer battery and Connects a USB device that has a Type C connector such as a cell phone camera activity tracker or smartwatch and provides data transfer and Connects a display device that has a USB Type C connector providing DisplayPort output NOTE Cables adapters or both purchased separately may be ...

Page 12: ...nal microphone Record sound The antennas are not visible from the outside of the computer and antenna location varies For 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 To access this guide go to http www hp com suppor...

Page 13: ...yboard area touchpad Table 2 4 Touchpad components and their descriptions Component Description Touchpad zone Reads your finger gestures to move the pointer or activate items on the screen Keyboard area 7 ...

Page 14: ... Description Speaker vents Enable 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 and off during routine operation 8 Chapter 2 Components ...

Page 15: ...tom 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 ...

Page 16: ...iod Regulatory label s Provide s regulatory information about the computer Wireless certification label s Provide s information about optional wireless devices and the approval markings for the countries or regions in which the devices have been approved for use 10 Chapter 2 Components ...

Page 17: ... and changes product parts For complete and current information on supported parts for your computer go to http partsurfer hp com select your country or region and then follow the on screen instructions Computer major components Computer major components 11 ...

Page 18: ...1 For use in Latin America L90338 161 For use in the Netherlands L90338 B31 For use in Portugal L90338 131 For use in Romania L90338 271 For use in Russia L90338 251 For use in Saudi Arabia L90338 171 For use in South Korea L90338 AD1 For use in Spain L90338 071 For use in Switzerland L90338 BG1 For use in Taiwan L90338 AB1 For use in Thailand L90338 281 For use in Turkey L90338 141 For use in the...

Page 19: ...mber L89767 001 3c Touchpad bracket L89791 001 4 Intel 9560 ac 2 2 Bluetooth 5 0 MU MIMO M 2 2230 non vPro WLAN module L41693 005 WLAN bracket not illustrated M00452 001 5a Connector board includes audio jack and USB port L89792 001 5b Left side I O bracket L89793 001 5c Right side I O bracket L89793 001 6a Connector board high speed cable included in the Cable Kit spare part number L89767 001 6b ...

Page 20: ...0 processor 4 GB of system memory 32 GB of eMMC system storage and the Google Chrome operating system L89778 001 Equipped with an Intel Celeron N4020 processor 4 GB of system memory 16 GB of eMMC system storage and the Google Chrome operating system L89777 001 8 Battery 2 cell 47 36 WHr 6 15 AHr Li ion includes cable L75783 005 Battery bracket not illustrated L98587 001 Battery tape not illustrate...

Page 21: ...y panel L89783 001 4 Display panel cable For use only on computers equipped with a touchscreen display assembly L89776 001 For use only on computers equipped with a non touchscreen display assembly L89775 001 5 Webcam module includes double sided adhesive L51916 001 6 Display hinges 2 L89768 001 7 Webcam module cable included in the Cable Kit spare part number L89767 001 8 Display back cover inclu...

Page 22: ...ble 3 2 Display component spare part information continued Item Component Spare part number In chalkboard gray finish L89769 001 In dark sage gray finish L89770 001 16 Chapter 3 Illustrated parts catalog ...

Page 23: ...gentina L19357 001 For use in Australia L19358 001 For use in Brazil L19359 001 For use in Denmark L19360 001 For use in Europe L19361 001 For use in India L19363 001 For use in Israel L19362 001 For use in Italy L19364 001 For use in North America L19367 001 For use in South Africa L19369 001 For use in South Korea L19366 001 For use in Switzerland L19370 001 For use in Taiwan L19372 001 For use ...

Page 24: ...ng disassembly and reassembly can damage plastic parts Use care when handling the plastic Cables and connectors 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 Cables must be handled with extreme care to avoid damage Apply only the tension required to unseat or seat the cab...

Page 25: ... components are sensitive to electrostatic discharge ESD Circuitry design and structure determine the degree of sensitivity Networks built into many integrated circuits provide some protection but in many cases ESD contains enough power to alter device parameters or melt silicon junctions A discharge of static electricity from a finger or other conductor can destroy static sensitive devices or mic...

Page 26: ...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 a grounded surface before removing items from their containers Always be properly grounded when touching a component or assembl...

Page 27: ...flexible straps with a minimum of 1 MΩ 10 resistance in the ground cords To provide proper ground wear a strap snugly against the skin at all times On grounded mats with banana plug connectors use alligator clips to connect a wrist strap When standing use foot straps and a grounded floor mat Foot straps heel toe or boot straps can be used at standing workstations and are compatible with most types...

Page 28: ...able 4 2 Shielding protection provided by antistatic bags and floor mats Material Use Voltage protection level Antistatic plastics Bags 1 500 V Carbon loaded plastic Floor mats 7 500 V Metallized laminate Floor mats 5 000 V 22 Chapter 4 Removal and replacement procedures preliminary requirements ...

Page 29: ...r use in South Korea L90338 AD1 For use in Belgium L90338 A41 For use in Italy L90338 061 For use in Spain L90338 071 For use in Brazil L90338 201 For use in Latin America L90338 161 For use in Switzerland L90338 BG1 For use in Canada L90338 DB1 For use in the Netherlands L90338 B31 For use in Taiwan L90338 AB1 For use in the Czech Republic and Slovakia L90338 FL1 For use in Portugal L90338 131 Fo...

Page 30: ...1 For use in Saudi Arabia L90339 171 For use in the United States L90339 001 Remove the keyboard top cover 1 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 2 Disconnect all external devices connected to the computer 3 Disconnect the power from the computer by first unplugging the power c...

Page 31: ...r 1 as far as the keyboard cable and touchpad cable allow 11 Release the zero insertion force ZIF connector 2 to which the touchpad board cable is connected and then disconnect the touchpad cable from the system board 12 Release the shielding 3 that covers the keyboard cable ZIF connector 13 Release the ZIF connector 4 to which the keyboard cable is connected and then disconnect the keyboard cable...

Page 32: ...14 Remove the keyboard top cover 5 Reverse this procedure to install the keyboard top cover 26 Chapter 5 Removal and replacement procedures ...

Page 33: ...he computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer 4 Remove the keyboard top cover see Keyboard top cover on page 23 Remove the touchpad cable 1 Turn the keyboard top cover upside down with the front toward you 2 Remove the pad 1 that secures the touchpad cable to the keyboard top cover 3 Release the ZIF connector 2 to which the t...

Page 34: ...t and then unplugging the AC adapter from the computer 4 Remove the keyboard top cover see Keyboard top cover on page 23 Remove the touchpad 1 Turn the keyboard top cover upside down with the front toward you 2 Remove the pad 1 that secures the touchpad cable to the keyboard top cover 3 Release the shielding 2 that covers the touchpad screws 4 Remove the three Phillips M2 0 2 2 broad head screws 3...

Page 35: ...7 Remove the touchpad 6 and cable Reverse this procedure to install the touchpad Component replacement procedures 29 ...

Page 36: ...sconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer 4 Remove the keyboard top cover see Keyboard top cover on page 23 Remove the speakers 1 Release the shielding 1 that covers the battery cable and connector 2 Disconnect the battery cable 2 from the system board 3 Disconnect the speaker cable 1 from the sys...

Page 37: ...en shut it down through the operating system 2 Disconnect all external devices connected to the computer 3 Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer 4 Remove the keyboard top cover see Keyboard top cover on page 23 5 Remove the speakers see Speakers on page 30 Remove the battery 1 Release the sh...

Page 38: ...4 Remove the battery 4 Reverse this procedure to install the battery 32 Chapter 5 Removal and replacement procedures ...

Page 39: ...on turn the computer on and then shut it down through the operating system 2 Disconnect all external devices connected to the computer 3 Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer 4 Remove the keyboard top cover see Keyboard top cover on page 23 5 Disconnect the battery cable from the system boar...

Page 40: ...dule 4 by pulling the module away from the slot at an angle NOTE WLAN modules are notched to prevent incorrect installation Reverse this procedure to install the WLAN module 34 Chapter 5 Removal and replacement procedures ...

Page 41: ... adapter from the computer 4 Remove the keyboard top cover see Keyboard top cover on page 23 5 Disconnect the battery cable from the system board see Battery on page 31 Remove the connector board cables 1 Release the shielding 1 that covers the connector board cable ZIF connectors 2 Release the ZIF connectors 2 to which the connector board cables are connected and then disconnect the connector boa...

Page 42: ...er 4 Remove the keyboard top cover see Keyboard top cover on page 23 5 Disconnect the battery cable from the system board see Battery on page 31 Remove the connector board 1 Release the shielding 1 that covers the connector board cable ZIF connectors on the system board 2 Release the ZIF connectors 2 to which the connector board cables are connected and then disconnect the connector board cables f...

Page 43: ...7 Remove the connector board 7 and cables Reverse this procedure to install the connector board Component replacement procedures 37 ...

Page 44: ...ving the system board follow these steps 1 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 2 Disconnect all external devices connected to the computer 3 Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the...

Page 45: ...lease the power cable from the retention clip 9 built into the bottom cover 10 Remove the six Phillips M2 0 4 2 screws 1 that secure the system board to the bottom cover Component replacement procedures 39 ...

Page 46: ...ng spare part number L89793 001 12 Lift the left side the system board 1 until it rests at an angle 13 Remove the system board 2 by sliding it up and to the left at an angle Reverse this procedure to install the system board 40 Chapter 5 Removal and replacement procedures ...

Page 47: ...m the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer 4 Remove the keyboard top cover see Keyboard top cover on page 23 5 Disconnect the battery cable from the system board see Battery on page 31 6 Remove the WLAN module see WLAN module on page 33 7 Remove the system board see System board on page 38 Remove the power cable 1 Turn ...

Page 48: ...g the AC adapter from the computer 4 Remove the keyboard top cover see Keyboard top cover on page 23 5 Disconnect the battery from the system board see Battery on page 31 Remove the display assembly 1 Remove the display hinge cover by following these steps a Close the computer b Turn the computer upside down with the front toward you c Use a case utility tool 1 or similar thin plastic tool to sepa...

Page 49: ...of the display bezel 2 from the display assembly e Release the bottom edge of the display bezel 3 from the display assembly f Remove the display bezel 4 The display bezel is available using spare part number L89773 001 3 Remove the display bracket by following these steps a Remove the two Phillips M2 0 2 9 screws 1 that secure the display bracket to the display back cover Component replacement pro...

Page 50: ... 9 screws 1 that secure the display panel to the display back cover b Swing the top edge 2 of the display panel up and forward until it rests upside down on the computer c Release the adhesive support strip 1 that secures the display panel cable connector to the display panel d Disconnect the display panel cable 2 from the display panel 44 Chapter 5 Removal and replacement procedures ...

Page 51: ...play panel L89784 001 11 6 in HD antiglare LED UWVA non touchscreen display panel L89783 001 11 6 in HD antiglare LED SVA non touchscreen display panel 5 Remove the display back cover by following these steps a Remove the six Phillips M2 5 3 0 broad head screws 1 that secure the display back cover to the display hinges Component replacement procedures 45 ...

Page 52: ... in chalkboard gray finish and L89772 001 in dark sage gray finish 6 Remove the display panel cable by following these steps a Release the display panel cable from the retention clips 1 and routing channel built into the bottom edge of the display back cover 46 Chapter 5 Removal and replacement procedures ...

Page 53: ... a touchscreen display assembly and L89775 001 for use only on computers equipped with a non touchscreen display assembly 7 Remove the webcam module by following these steps a Detach the webcam module 1 from the display back cover The webcam module is attached to the display back cover with double sided adhesive Component replacement procedures 47 ...

Page 54: ...webcam module c Remove the webcam module The webcam module is available using spare part number L51916 001 8 Remove the webcam module cable by following these steps a Release the webcam module cable from the retaining clips 1 built into the left hinge area of the display back cover 48 Chapter 5 Removal and replacement procedures ...

Page 55: ... L89767 001 9 Remove the display hinges by following these steps a Remove the four Phillips M2 5 4 7 screws that secure the display hinges to the bottom cover b Slide the hinges 2 forward and remove them The display hinges are available using spare part number L89768 001 Component replacement procedures 49 ...

Page 56: ...Reverse this procedure to reassemble and install the display assembly 50 Chapter 5 Removal and replacement procedures ...

Page 57: ... regulatory label Table 6 1 Computer specifications Metric U S Dimensions Width 29 5 cm 11 6 in Depth 20 5 cm 8 1 in Height 1 9 cm 0 7 in Weight 1 3 kg 2 9 lbs Input power Rating Operating voltage and current 5 V dc 2 A 12 V dc 3 A 15 V dc 3 A 45 W USB C 5 V dc 3 A 9 V dc 3 A 12 V dc 3 75 A 15 V dc 3 A 45 W USB C 5 V dc 3 A 9 V dc 3 A 10 V dc 3 75 A 12 V dc 3 75 A 15 V dc 3 A 20 V dc 2 25 A 45 W U...

Page 58: ...dity 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 limits for plastic surfaces The device operates well within this range of temperatures 52 Chapter 6 Specifications ...

Page 59: ...sn t work properly You want to change the owner of your computer To reset your computer 1 Under the Settings menu click Advanced 2 In the Powerwash section click Powerwash 3 Click Restart and then sign in with your Google Account NOTE The account you sign in with after you reset your computer will be recognized as the owner account 4 Follow the on screen instructions to reset your computer 5 After...

Page 60: ...ing recovery media 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 rights to the computer 2 Click the Launcher icon and then click All Apps 3 In the Apps window click Recovery and then click Get started 4 Follow the on screen ...

Page 61: ...matted as a recovery tool After you recover your computer you must erase the recovery media if you want to reuse your USB flash drive or SD memory card to store other files Use the steps in this section to erase the recovery media using the Chromebook Recovery Utility 1 Click the Launcher icon and then click All Apps 2 In the apps window click Recovery 3 Click the Settings icon and then click Eras...

Page 62: ...rements are applicable to all countries and regions The length of the power cord set must be at least 1 0 m 3 3 ft 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 A and a nominal voltage rating...

Page 63: ...EMA 1 New Zealand SANZ 1 Norway NEMKO 1 The People s Republic of China CCC 4 Saudi Arabia SASO 7 Singapore PSB 1 South Africa SABS 1 South Korea KTL 5 Sweden SEMKO 1 Switzerland SEV 1 Taiwan BSMI 6 Thailand TISI 1 The United Kingdom ASTA 1 The United States UL 2 1 The flexible cord must be Type HO5VV F 3 conductor 0 75 mm conductor size Power cord set fittings appliance coupler and wall plug must ...

Page 64: ...configuration 4 The flexible cord must be Type RVV 3 conductor 0 75 mm conductor size Power cord set fittings appliance coupler and wall plug must bear the CCC certification mark 5 The flexible cord must be Type H05VV F 3 conductor 0 75 mm conductor size KTL logo and individual approval number must be on each element Corset approval number and logo must be printed on a flag label 6 The flexible co...

Page 65: ...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 Web site at http www hp com recycle 59 ...

Page 66: ...emoval 42 spare part numbers 42 display back cover removal 45 display bezel removal 42 spare part number 43 display bracket removal 43 spare part number 15 44 display components 15 display panel product description 1 removal 44 spare part numbers 15 45 display panel cable removal 46 spare part numbers 15 47 E electrostatic discharge 19 equipment guidelines 21 G grounding guidelines 19 guidelines e...

Page 67: ...er 9 service labels locating 9 serviceability product description 2 slots nano security cable 5 slots microSD memory card reader 3 Speaker Kit spare part number 30 speakers removal 30 spare part number 14 30 specifications computer 51 storage product description 1 system board removal 38 spare part numbers 13 38 system recovery Chrome operating system 54 Chromebook Recovery Utility 54 recovery med...

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