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HP Chromebook 14-X0 SERIES Maintenance And Service Manual Download Page 31

5

Removal and replacement procedures

CAUTION:

Components described in this chapter should only be accessed by an authorized service provider.

Accessing these parts can damage the computer or void the warranty.

NOTE:

HP continually improves 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.

Component replacement procedures

There are as many as 58 screws that must be removed, replaced, and/or loosened when servicing the
computer. Make special note of each screw size and location during removal and replacement.

Keyboard/top cover

NOTE:

The keyboard/top cover spare part kit includes the keyboard cable.

Description

Spare part number

Description

Spare part number

Keyboard/top cover in neon green finish with white keys for use only on HP Chromebook 14 PC:

For use in Belgium

787734-A41

For use in the Netherlands

787734-B31

For use in Canada

787734-DB1

For use in Russia

787734-251

For use in Denmark, Finland,
and Norway

787734-DH1

For use in Spain

787734-071

For use in France

787734-051

For use in Switzerland

787734-BG1

For use in Germany

787734-041

For use in the United Kingdom
and Singapore

787734-031

For use in Italy

787734-061

For use in the United States

787734-001

Keyboard/top cover in ocean turquoise finish with white keys for use only on HP Chromebook 14 PC:

For use in Belgium

787732-A41

For use in the Netherlands

787732-B31

For use in Canada

787732-DB1

For use in Russia

787732-251

For use in Denmark, Finland,
and Norway

787732-DH1

For use in Spain

787732-071

For use in France

787732-051

For use in Switzerland

787732-BG1

For use in Germany

787732-041

For use in the United Kingdom
and Singapore

787732-031

For use in Italy

787732-061

For use in the United States

787732-001

Keyboard/top cover in smoke silver finish with white keys for use only on HP Chromebook 14 PC:

For use in Belgium

787735-A41

For use in the Netherlands

787735-B31

For use in Canada

787735-DB1

For use in Russia

787735-251

Component replacement procedures

25

Summary of Contents for Chromebook 14-X0 SERIES

Page 1: ...HP Chromebook model numbers 14 x000 through 14 x099 Maintenance and Service Guide IMPORTANT This document is intended for HP authorized service providers only ...

Page 2: ...n 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 November 2014 Document Part Number 780442 002 Product notice This guide describes features that are common to most models Some features may not be avai...

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

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

Page 5: ...ts 11 Miscellaneous parts 12 Sequential part number listing 14 4 Removal and replacement preliminary requirements 20 Tools required 20 Service considerations 20 Plastic parts 20 Cables and connectors 21 Drive handling 21 Grounding guidelines 21 Electrostatic discharge damage 21 Packaging and transporting guidelines 23 Workstation guidelines 23 5 Removal and replacement procedures 25 Component repl...

Page 6: ...d set requirements 51 Requirements for all countries 51 Requirements for specific countries and regions 51 8 Statement of memory volatility 53 Nonvolatile memory usage 55 Questions and answers 57 Using HP Sure Start select models only 58 9 Recycling 59 Index 60 vi ...

Page 7: ...VA 200 nits typical brightness 14 0 in FHD WLED Antiglare 1920x1080 slim 3 0mm SVA 300 nits eDP non Touch non WWAN smoke silver ID only 14 0 in HD WLED AntiGlare 1366x768 flat 3 6mm SVA 220 nits eDP non Touch only bridge 220 nits into SA of 200 nits Touch solution with bezel multitouch enabled Memory Supports DDR3L 1600MHz Supports up to 4096 MB maximum on board system memory 4 pieces of 256 MB 16...

Page 8: ... microphone audio out stereo headphone combo jack HDMI v1 4 supporting up to 1920 1080 60Hz Ports continued RJ 45 Ethernet USB one USB 3 0 port 2 USB 2 0 ports For use on all computer models Keyboard pointing devices Full sized textured island style Google keyboard Jack black for use only on HP Chromebook 14 G3 Full sized textured island style Google keyboard white for use only on HP Chromebook 14...

Page 9: ...em Description 1 WWAN antennas 2 5 WLAN antennas 2 2 Internal microphone 6 Power button 3 HP TrueVision HD Webcam 7 TouchPad 4 Webcam light The position of the WLAN antennas differs depending on model Antennas are not visible on the exterior of the device Display 3 ...

Page 10: ...ard reader 2 USB port 5 Power light 3 Audio out headphone Audio in microphone jack Right side Item Description Item Description 1 SIM card reader 3 AC adapter Battery light 2 USB port 4 Power connector select models only 4 Chapter 2 External component identification ...

Page 11: ...r hp com select your country or region and then follow the on screen instructions Locating the service tag information The product name 1 serial number 2 product number 3 warranty information 4 and model number 5 are located on the bottom of the computer This information may be needed when travelling internationally or contacting support Locating the service tag information 5 ...

Page 12: ...Computer major components 6 Chapter 3 Illustrated parts catalog ...

Page 13: ... for use only on HP Chromebook 14 PC 787734 031 For use in the United States for use only on HP Chromebook 14 PC 787734 001 In ocean turquoise finish For use in Belgium for use only on HP Chromebook 14 PC 787732 A41 For use in Canada for use only on HP Chromebook 14 PC 787732 DB1 For use in Denmark Finland and Norway for use only on HP Chromebook 14 PC 787732 DH1 For use in France for use only on ...

Page 14: ...Chromebook 14 PC 787733 061 For use in the Netherlands for use only on HP Chromebook 14 PC 787733 B31 For use in Russia for use only on HP Chromebook 14 PC 787733 251 For use in Spain for use only on HP Chromebook 14 PC 787733 071 For use in Switzerland for use only on HP Chromebook 14 PC 787733 BG1 For use in the United Kingdom and Singapore for use only on HP Chromebook 14 PC 787733 031 For use ...

Page 15: ... on all computer models 787726 001 Equipped with 2 0 GB of system memory and 32 GB of eMMC primary storage for use only on computer models not equipped with WWAN capability for use on all computer models 787725 001 Equipped with 2 0 GB of system memory and 16 GB of eMMC primary storage for use only on computer models equipped with WWAN capability for use on HP Chromebook 14 PC and for use on HP Ch...

Page 16: ... 14 G3 not illustrated includes 2 display bezel screw covers 4 rubber feet and 3 rubber screw covers 788510 001 Display assembly subcomponents TouchScreen display assembly components Item Description Spare part number 1 Display panel assembly 14 0 in BrightView 1920 1080 FHD WLED slim 3 0 mm SVA includes bezel display panel cable and TouchScreen cable In neon green finish for use only on HP Chrome...

Page 17: ...Description Spare part number 1 Display bezel In neon green finish for use only on HP Chromebook 14 PC 787707 001 In ocean turquoise finish for use only on HP Chromebook 14 PC 787705 001 In smoke silver finish for use only on HP Chromebook 14 PC 787708 001 In sorbet orange finish for use only on HP Chromebook 14 PC 787706 001 In smoke silver for use only on HP Chromebook 14 PC 787708 001 Jack blac...

Page 18: ...90 001 In Jack black non TouchScreen for use only on HP Chromebook 14 G3 788505 001 In Jack black TouchScreen for use only on HP Chromebook 14 G3 788506 001 In Jack black for use only on HP Chromebook 14 G3 788503 001 In Jack black for use only on HP Chromebook 14 G3 WWAN 788504 001 Miscellaneous parts Component Spare part number AC adapter 65 W HP Smart AC adapter non PFC EM 4 5 mm for use on all...

Page 19: ...display bezel screw covers 4 rubber feet and 2 rubber screw covers 787721 001 Rubber Kit for use only on HP Chromebook 14 G3 includes 2 display bezel screw covers 4 rubber feet and 2 rubber screw covers 788510 001 Screw Kit for use on all computer models 787722 001 Miscellaneous parts 13 ...

Page 20: ...es and transceivers for use only on HP Chromebook 14 PC 787691 001 Display enclosure in neon green finish for use only on computer models equipped with a non TouchScreen display includes wireless antenna cables and transceivers for use only on HP Chromebook 14 PC 787692 001 Display enclosure in smoke silver finish for use only on computer models equipped with a non TouchScreen display includes wir...

Page 21: ...ly on computer models equipped with a TouchScreen display includes TouchScreen cable and webcamera microphone module cable for use on HP Chromebook 14 PC and for use on HP Chromebook 14 G3 787711 001 Heat sink includes grounding tape and replacement thermal material for use on all computer models 787712 001 Display Hinge Kit for use only on computer models equipped with a non TouchScreen display f...

Page 22: ...WAN capability includes replacement thermal material for use on all computer models 787732 001 Keyboard top cover in ocean turquoise finish for use in the United States includes keyboard cable for use only on HP Chromebook 14 PC 787732 031 Keyboard top cover in ocean turquoise finish for use in the United Kingdom and Singapore includes keyboard cable for use only on HP Chromebook 14 PC 787732 041 ...

Page 23: ...use in Canada includes keyboard cable for use only on HP Chromebook 14 PC 787733 DH1 Keyboard top cover in neon green finish for use in Denmark Finland and Norway includes keyboard cable for use only on HP Chromebook 14 PC 787734 001 Keyboard top cover in sorbet orange finish for use in the United States includes keyboard cable for use only on HP Chromebook 14 PC 787734 031 Keyboard top cover in s...

Page 24: ... the Netherlands includes keyboard cable for use only on HP Chromebook 14 PC 787735 BG1 Keyboard top cover in smoke silver finish for use in Switzerland includes keyboard cable for use only on HP Chromebook 14 PC 787735 DB1 Keyboard top cover in smoke silver finish for use in Canada includes keyboard cable for use only on HP Chromebook 14 PC 787735 DH1 Keyboard top cover in smoke silver finish for...

Page 25: ...ish for use in Japan for use only on HP Chromebook 14 G3 788511 A41 Keyboard top cover in Jack black finish for use in Belgium for use only on HP Chromebook 14 G3 788511 B31 Keyboard top cover in Jack black finish for use in the Netherland for use only on HP Chromebook 14 G3 788511 BG1 Keyboard top cover in Jack black finish for use in Switzerland for use only on HP Chromebook 14 G3 788511 DH1 Key...

Page 26: ...ons that you must keep in mind during disassembly and assembly procedures NOTE As you remove each subassembly from the computer place the subassembly and all accompanying screws away from the work area to prevent damage Plastic parts CAUTION Using excessive force during disassembly and reassembly can damage plastic parts Use care when handling the plastic parts Apply pressure only at the points de...

Page 27: ...al drive be sure that a diskette or disc is not in the drive and be sure that the optical drive tray is closed Handle drives on surfaces covered with at least one inch of shock proof foam Avoid dropping drives from any height onto any surface After removing drive place it in a static proof bag Avoid exposing a drive to products that have magnetic fields such as monitors or speakers Avoid exposing ...

Page 28: ...ng table shows how humidity affects the electrostatic voltage levels generated by different activities CAUTION A product can be degraded by as little as 700 V Typical electrostatic voltage levels Relative humidity Event 10 40 55 Walking across carpet 35 000 V 15 000 V 7 500 V Walking across vinyl floor 12 000 V 5 000 V 3 000 V Motions of bench worker 6 000 V 800 V 400 V Removing DIPS from plastic ...

Page 29: ... to ground and that proper materials are selected to avoid static charging When grounding is not possible use an ionizer to dissipate electric charges Workstation guidelines Follow these grounding workstation guidelines Cover the workstation with approved static shielding material Use a wrist strap connected to a properly grounded work surface and use properly grounded tools and equipment Use cond...

Page 30: ... the operator and ground To be effective the conductive must be worn in contact with the skin The following grounding equipment is recommended to prevent electrostatic damage Antistatic tape Antistatic smocks aprons and sleeve protectors Conductive bins and other assembly or soldering aids Nonconductive foam Conductive computerop workstations with ground cords of one megohm resistance Static dissi...

Page 31: ...Netherlands 787734 B31 For use in Canada 787734 DB1 For use in Russia 787734 251 For use in Denmark Finland and Norway 787734 DH1 For use in Spain 787734 071 For use in France 787734 051 For use in Switzerland 787734 BG1 For use in Germany 787734 041 For use in the United Kingdom and Singapore 787734 031 For use in Italy 787734 061 For use in the United States 787734 001 Keyboard top cover in ocea...

Page 32: ... B31 For use in Canada 788511 DB1 For use in Russia 788511 251 For use in Denmark Finland and Norway 788511 DH1 For use in Spain 788511 071 For use in France 788511 051 For use in Switzerland 788511 BG1 For use in Germany 788511 041 For use in the United Kingdom and Singapore 788511 031 For use in Italy 788511 061 For use in the United States 788511 001 For use in Latin America 788511 161 For use ...

Page 33: ...losure 7 Turn the computer right side up with the front toward you 8 Open the computer as far as it will open 9 Lift the front edge 1 of the keyboard top cover until it separates from the front edge of the base enclosure 10 Lift the left 2 and right sides of the keyboard top cover until they separate from the left and right sides of the base enclosure 11 Disconnect the battery cable 3 from the sys...

Page 34: ...TouchPad cable is attached and then disconnect the TouchPadd cable from the system board 14 Remove keyboard top cover 6 by sliding it forward Reverse this procedure to install the keyboard top cover 28 Chapter 5 Removal and replacement procedures ...

Page 35: ... cover see Keyboard top cover on page 25 Remove the TouchPad button board 1 Turn the keyboard top cover upside down with the front toward you 2 Detach the TouchPad cable 1 from the keyboard top cover The TouchPad cable is attached to the keyboard top cover with double sided adhesive 3 Remove the two Phillips PM1 9 2 4 broad head screws 2 that secure the TouchPad to the keyboard top cover 4 Detach ...

Page 36: ...puter 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 25 Remove the WWAN module ...

Page 37: ...an angle NOTE If the WWAN antenna is not connected to the terminal on the WWAN module a protective sleeve must be installed on the antenna connector as shown in the following illustration Reverse this procedure to install the WWAN module Component replacement procedures 31 ...

Page 38: ...rd from the computer 3 Disconnect all external devices from the computer 4 Remove the keyboard top cover see Keyboard top cover on page 25 Remove the battery 1 Remove the eight Phillips PM1 9 2 8 screws 1 that secure the battery to the base enclosure 2 Detach the connector board cable 2 from the battery The connector board cable is attached to the battery with double sided adhesive 3 Lift the fron...

Page 39: ...s off or in Hibernation turn the computer on and then shut it down through the operating system 2 Disconnect the power from the computer by unplugging the power cord from the computer 3 Disconnect all external devices from the computer 4 Remove the keyboard top cover see Keyboard top cover on page 25 Remove the connector board 1 Release the ZIF connector 1 to which the connector board ribbon cable...

Page 40: ...4 Remove the connector board 4 and cable Reverse this procedure to install the connector board 34 Chapter 5 Removal and replacement procedures ...

Page 41: ...pped with WWAN capability for use on all computer models 787724 001 Before removing the system board follow these steps 1 Turn off the computer If you are unsure whether the computer is off or in Hibernation turn the computer on and then shut it down through the operating system 2 Disconnect the power from the computer by unplugging the power cord from the computer 3 Disconnect all external device...

Page 42: ...emove the four Philllips PM1 9 2 4 broad head screws 1 that secure the system board to the base enclosure 7 Lift the right side of the system board 2 until it rests at an angle 8 Remove the system board 3 by sliding it up and to the right at an angle Reverse this procedure to install the system board 36 Chapter 5 Removal and replacement procedures ...

Page 43: ...own through the operating system 2 Disconnect the power from the computer by unplugging the power cord from the computer 3 Disconnect all external devices from the computer 4 Remove the keyboard top cover see Keyboard top cover on page 25 5 Remove the system board see System board on page 35 Remove the heat sink 1 Detach the two pieces of ground tape 1 that secure the heat sink to the system board...

Page 44: ...om the surfaces of the system board and the heat sink components each time the heat sink is removed Thermal paste is used on the processor 1 and the heat sink section 2 that services it Reverse this procedure to install the heat sink 38 Chapter 5 Removal and replacement procedures ...

Page 45: ...system 2 Disconnect the power from the computer by unplugging the power cord from the computer 3 Disconnect all external devices from the computer 4 Remove the keyboard top cover see Keyboard top cover on page 25 5 Remove the battery see Battery on page 32 Remove the speakers 1 Disconnect the speaker cable 1 from the system board 2 Release the speaker cables from the routing clips 2 and channels b...

Page 46: ...te WLAN antenna cable labeled 1 Main connects to the system board Main terminal The black WLAN antenna cable labeled 2 Aux connects to the system board Aux terminal The red WWAN antenna cable labeled 5 Main connects to the WWAN module Main terminal The blue WWAN antenna cable labeled 6 Aux connects to the WWAN module Aux terminal 3 Release the wireless antenna cables from the routing clips 3 built...

Page 47: ...anel c Turn the display assembly upside down with the top edge toward you d Use a case utility tool 1 or similar flat plastic tool to separate the display enclosure from the display panel assembly e Lift the top edge of the display enclosure 2 until it separates from the display panel assembly f Swing the top edge of the display enclosure 1 up and back until it rests upside down behind the display...

Page 48: ...oke silver finish for use only on HP Chromebook 14 PC 787689 001 For use on non TouchScreen computer models in ocean turquoise finish for use only on HP Chromebook 14 PC 787690 001 For use on non TouchScreen computer models in sorbet orange for use only on HP Chromebook 14 PC 788505 001 For use on non TouchScreen computer models in Jack black finish for use only on HP Chromebook 14 G3 788506 001 F...

Page 49: ...rews that secure the display hinges 3 Two Phillips PM2 4 3 6 screws that secure the display hinges c Remove the display hinges and display hinge support brackets 4 The TouchScreen display assembly display hinges are included in the Display Hinge Kit spare part number 787712 001 for use on all computer models 9 If it is necessary to replace the display panel cable a Disconnect the display panel cab...

Page 50: ... on HP Chromebook 14 G3 b Remove the two Phillips PM2 0 2 2 broad head screws 2 that secure the display panel to the display enclosure c Flex the inside edges of the bottom edge 3 the left and right sides 4 and the bottom edge 5 of the display bezel until the bezel disengages from the display enclosure d Remove the display bezel 6 The non TouchScreen display assembly display bezel is available usi...

Page 51: ...tached to the display enclosure with double sided adhesive at two locations c Disconnect the webcam microphone module cable 2 from the webcam microphone module d Remove the webcam microphone module The webcam microphone module is available using spare part number 787736 001 for use on all computer models 12 If it is necessary to replace the display panel Component replacement procedures 45 ...

Page 52: ... panel f Remove the display panel 3 The non TouchScreen display assembly display panel is available using the following spare part numbers 787719 001 For use on computer models in ocean turquoise finish for use only on HP Chromebook 14 PC 787717 001 For use on computer models in ocean turquoise finish for use only on HP Chromebook 14 PC 787720 001 For use on computer models in ocean turquoise fini...

Page 53: ... that secure the display hinges and display hinge support brackets to the display enclosure 1 Two Phillips PM1 9 2 9 screws that secure the display hinge brackets 2 Four Phillips PM2 4 3 1 broad head screws that secure the display hinges 3 Two Phillips PM2 4 3 6 screws that secure the display hinges Component replacement procedures 47 ...

Page 54: ...14 If it is necessary to replace the display panel cable a Disconnect the display panel cable from the webcam microphone module b Remove the display panel c Remove the display hinges and brackets d Release the display panel cable from the retention clips 1 and channel built into the top left and bottom edges of the display enclosure 48 Chapter 5 Removal and replacement procedures ...

Page 55: ...y assembly display panel cable is available using spare part number 787709 001 for use on all computer models and includes the webcam microphone module cable Reverse this procedure to reassemble and install the display assembly Component replacement procedures 49 ...

Page 56: ...ice operating voltage and current can be found on the system regulatory label 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 standard...

Page 57: ...approved by an acceptable accredited agency responsible for evaluation in the country or region where the power cord set will be used The power cord sets must have a minimum current capacity of 10 amps and a nominal voltage rating of 125 or 250 V AC as required by the power system of each country or region The appliance coupler must meet the mechanical configuration of an EN 60 320 IEC 320 Standar...

Page 58: ...ble cord and wall plug must bear a T mark and registration number in accordance with the Japanese Dentori Law The flexible cord must be Type VCT or VCTF 3 conductor 1 00 mm conductor size The wall plug must be a two pole grounding type with a Japanese Industrial Standard C8303 7 A 125 V configuration 4 The flexible cord must be Type RVV 3 conductor 0 75 mm conductor size Power cord set fittings ap...

Page 59: ...rogramming nonvolatile memory that does not store personal data is neither necessary nor recommended a ERROR Target for reference type variable varref ID was not found ERROR NOTE If the system has a BIOS administrator password enter the password at the prompt b Select Main select Restore Defaults and then select Yes to load defaults c Select the Security menu select Restore Security Level Defaults...

Page 60: ...ROR b Select the Security menu and scroll down to the Utilities menu c Select Hard Drive Tools d Under Utilities select Secure Erase select the hard drive storing the data you want to clear and then follow the on screen instructions to continue or Clear the contents of the drive by using the following Disk Sanitizer command steps IMPORTANT If you clear data using Disk Sanitizer it cannot be recove...

Page 61: ...KBytes 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 is required to write data to this memory and is available from the NIC vendor Writing data to this ROM in an inappropriate manner will render the NIC non functional DIMM Serial Presence Detect SPD configuration data 256 Byte...

Page 62: ...dates digitally signed by Intel can be applied using this utility Bluetooth flash 2 Mbit 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 is required for writing data to this memory and is made available through newer versions of the ...

Page 63: ... 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 run time 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 detailed system information and advanc...

Page 64: ...ERROR Target for reference type variable varref ID was not found ERROR 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 models only Select computer models are configured wit...

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: ...e part numbers 11 18 19 46 display panel assembly spare part numbers 10 display panel cable removal 43 48 spare part numbers 11 12 15 44 49 drives precautions 21 preventing damage 21 E electrostatic discharge 21 equipment guidelines 24 external media cards product description 2 F feet removal 27 spare part number 27 G graphics product description 1 grounding guidelines 21 guidelines equipment 24 g...

Page 67: ... 18 27 Rubber Kit spare part numbers 13 S screw covers removal 27 spare part number 27 Screw Kit spare part number 13 16 sensors product description 1 service considerations cables 21 connectors 21 plastic parts 20 serviceability product description 2 SIM card reader 4 Speaker Kit spare part number 9 16 39 speakers removal 39 spare part number 9 16 39 storage product description 1 system board rem...

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