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HP 14bt-ca000 Maintenance And Service Manual
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HP 14bt-ca000 Maintenance And Service Manual

HP 14bt-ca000 Maintenance And Service Manual

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Maintenance and Service Guide
HP Chromebook x360 14b
IMPORTANT! This document is intended for
HP authorized service providers only.

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  • Page 1 Maintenance and Service Guide HP Chromebook x360 14b IMPORTANT! This document is intended for HP authorized service providers only.
  • Page 2 Google LLC. Intel, Pentium, and of the HP End User License Agreement (EULA). If Not all features are available in all editions or Celeron are trademarks of Intel Corporation or you do not accept these license terms, your sole versions of Windows.
  • Page 3 Safety warning notice WARNING! To reduce the possibility of heat-related injuries or of overheating the device, do not place the device directly on your lap or obstruct the device air vents. Use the 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.
  • Page 4 Safety warning notice...

  • Page 5: Table Of Contents

    Table of contents 1 Product description ....................................1 2 External component identification ................................. 3 Right side ....................................3 Left side ..................................... 4 Display ......................................6 Keyboard area ................................... 7 Touchpad ................................7 Speakers ................................8 Special keys ................................9 Labels ......................................9 3 Illustrated parts catalog ..................................
  • Page 6 Power cable ................................ 34 Speakers ................................35 Display assembly ............................... 36 Touchpad cable ..............................47 Touchpad ................................48 6 Specifications ......................................50 Computer specifications ................................ 50 7 Backing up, resetting, and recovering ..............................52 Backing up ....................................52 Resetting ....................................52 Recovering ....................................

  • Page 7: Product Description

    Category Description Product Name HP Chromebook™ x360 14b (model number: 14b-ca0xxx; CTO model number 14bt-ca000) Processors Intel® Pentium® N5000 1.1 GHz (turbo up to 2.7 GHz) processor (2400 MHz FSB, 4-MB L2 cache, quad core, 6 W) Intel Celeron® N4000 1.1 GHz (turbo up to 2.6 GHz) processor (2400 MHz FSB, 4-MB L2 cache, dual core, 6 W)
  • Page 8 Table 1-1 Product components and descriptions (continued) Category Description Keyboard (continued) Island-style keyboard with touchpad with backlight in natural silver finish ● ● Island-style keyboard with touchpad without backlight in natural silver finish Security H1 Secure Microcontroller Nano security lock Power requirements Support for a 2-cell, 47 Wh, 6.15-Ah, Li-ion battery Support for a 45 W AC adapter (non-PFC, USB Type-C, 1.8 m, 3 pin)

  • Page 9: External Component Identification

    External component identification The computer features top-rated components. This chapter provides details about the computer components, where they are located, and how they work. Right side Table 2-1 Right-side components and their descriptions Component Description Volume button Controls speaker volume on the computer. Security cable slot Attaches an optional security cable to the computer.

  • Page 10: Left Side

    For additional safety information, see the Regulatory, Safety, and Environmental Notices. To access this guide: ▲ Select the Start button, select HP Help and Support, and then select HP Documentation. NOTE: When a device is connected to the jack, the computer speakers are disabled.
  • Page 11 Table 2-2 Left-side components and their descriptions (continued) Component Description USB Type-C power connector and port – and – (continued) Connects a display device that has a USB Type-C connector, providing DisplayPort™ output. NOTE: Cables and/or adapters (purchased separately) may be required.

  • Page 12: Display

    Display Table 2-3 Display components and their descriptions Component Description WLAN antennas* Send and receive wireless signals to communicate with WLANs. Internal microphones (2) Record sound. Camera light On: The camera is in use. Camera Allows you to video chat, record video, and record still images. NOTE: Camera functions vary depending on the camera hardware and software installed on your product.

  • Page 13: Keyboard Area

    Keyboard area Touchpad Table 2-4 Keyboard components and descriptions Component Description Touchpad zone Reads finger gestures to move the pointer or activate items on the screen. Left touchpad button Functions like the left button on an external mouse. Right touchpad button Functions like the right button on an external mouse.

  • Page 14: Speakers

    Speakers Table 2-5 Speaker components and their descriptions Component Description Speakers Produce sound. Chapter 2 External component identification...

  • Page 15: Special Keys

    Special keys Table 2-6 Special key components and descriptions Component Description Displays system information when pressed in combination with key. Action keys Execute frequently used system functions. Labels The labels affixed to the computer provide information that may be needed when troubleshooting system problems or traveling internationally with the computer.
  • Page 16 Table 2-7 Service label components Component HP product name Model number Product ID Serial number Warranty period Table 2-8 Service label components Component HP product name Product ID Serial number Warranty period Regulatory label(s)—Provide(s) regulatory information about the computer. ●...

  • Page 17: Illustrated Parts Catalog

    Computer major components NOTE: HP continually improves and changes product parts. For complete and current information on supported parts for the computer, go to http://partsurfer.hp.com, select the country or region, and then follow the on-screen instructions. NOTE: Details about the computer, including model number, serial number, product identification, and length of warranty, are on the service tag at the bottom of the computer.
  • Page 18 Table 3-1 Computer component descriptions and spare part information (continued) Item Component Spare part number For use in Germany L73306-041 For use in Japan L73306-291 For use in the Netherlands L73306-B31 For use in Russia L73306-251 For use in Spain L73306-071 For use in the United Kingdom L73306-031...
  • Page 19 Table 3-1 Computer component descriptions and spare part information (continued) Item Component Spare part number For use in Canada L73307-DB1 For use in Denmark, Finland, and Norway L73307-DH1 For use in France L73307-FM1 For use in Germany L73307-041 For use in Japan L73307-291 For use in the Netherlands L73307-331...
  • Page 20 Table 3-1 Computer component descriptions and spare part information (continued) Item Component Spare part number Equipped with an Intel Celeron N4000 1.1 GHz (turbo up to 2.6 GHz) processor (2400-MHz L85674-001 FSB, 4-MB L2 cache, dual core, 6 W), a graphics subsystem with UMA memory, 4-GB of system memory, 64-GB of eMMC storage, and a non-Windows 10 operating system Equipped with an Intel Celeron N4000 1.1 GHz (turbo up to 2.6 GHz) processor (2400-MHz L85673-001...

  • Page 21: Display Components

    Display components Table 3-2 Display component descriptions and spare part information Item Component Spare part number Display panel assembly: 14.0-in, FHD antiglare, UWVA, 250 touchscreen L73303-001 14.0-in, FHD antiglare, 250 touchscreen USI L77983-001 14.0-in, HD antiglare, SVA, 220 touchscreen L73304-001 14.0-in, HD antiglare, 220 touchscreen USI L77984-001 Touch control board (includes double-sided adhesive):...

  • Page 22: Miscellaneous Parts

    45 W AC adapter (non-PFC, USB Type-C, 1.8-m, 3-pin) L43407-001 HP 14.0-in, black reversible sleeve L67189-001 HP X3000 entry-level wireless mouse 684978-001 HP X3000 mouse in Pike silver finish 942296-001 Pen (HVAR, USI, active) L73384-001 Power cord (C13 connector, 1.00-m, premium with sticker): For use in Australia...

  • Page 23: Removal And Replacement Procedures Preliminary Requirements

    Removal and replacement procedures preliminary requirements Tools required You will need the following tools to complete the removal and replacement procedures: Flat-bladed screw driver ● Magnetic screw driver ● Phillips P0 and P1 screw drivers ● Service considerations The following sections include some of the considerations that you must keep in mind during disassembly and assembly procedures.

  • Page 24: Drive Handling

    Drive handling IMPORTANT: Drives are fragile components that must be handled with care. To prevent damage to the computer, damage to a drive, or loss of information, observe these precautions: Before removing or inserting a hard drive, shut down the computer. If you are unsure whether ●...

  • Page 25: Packaging And Transporting Guidelines

    Table 4-1 Typical electrostatic voltage levels Typical electrostatic voltage levels Relative humidity Event 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 tube 2,000 V...

  • Page 26: Workstation Guidelines

    Workstation guidelines Follow these grounding workstation guidelines: Cover the workstation with approved static-shielding material. ● Use a wrist strap connected to a properly grounded work surface and use properly grounded tools ● and equipment. Use conductive field service tools, such as cutters, screw drivers, and vacuums. ●...
  • Page 27 The following table lists the shielding protection provided by antistatic bags and floor mats. Table 4-2 Shielding protection provided by antistatic bags and floor mats Material Voltage protection level Antistatic plastics Bags 1,500 V Carbon-loaded plastic Floor mats 7,500 V Metallized laminate Floor mats 5,000 V...

  • Page 28: Removal And Replacement Procedures

    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. There are as many as 38 screws that must be removed, replaced, and/or loosened when servicing Authorized Service Provider only parts.
  • Page 29 Remove the screw covers (2). The screw covers are included in the Screw Cover Kit, spare part numbers L76599-001 (in mineral silver finish) and L73740-001 (in natural silver finish). Remove the two Phillips M2.0×4.2 screws (3) that secure the bottom cover to the computer. Remove the five Phillips M2.0×7.7 screws (4) that secure the bottom cover to the computer.

  • Page 30: Battery

    Remove the bottom cover (3). Reverse this procedure to install the bottom cover. Battery Table 5-2 Battery description and spare part number information Description Spare part number 2-cell, 47 Wh, 6.15-Ah, Li-ion battery (includes cable) L42583-005 and L42583-006 Battery bracket L79370-001 Before removing the battery, follow these steps: Shut down the computer.
  • Page 31 Remove the battery (4). Reverse this procedure to install the battery. Component replacement procedures...

  • Page 32: Wlan Module

    WLAN module Table 5-3 WLAN module description and spare part number information Description Spare part number Intel 9560 ac 2×2 MU-MIMO + Bluetooth 5.0 M.2 non-vPro CNVi WW with 2 antennas L41693-005 IMPORTANT: To prevent an unresponsive system, replace the wireless module only with a wireless module authorized for use in the computer by the governmental agency that regulates wireless devices in your country or region.
  • Page 33 Remove the WLAN module (3) by pulling the module away from the slot at an angle. NOTE: WLAN modules are designed with a notch to prevent incorrect insertion. Reverse this procedure to install the WLAN module. Component replacement procedures...

  • Page 34: Usb/Audio Board Cable

    USB/audio board cable NOTE: The USB/audio board high-power cable is available using spare part number L73309-001. The USB/ audio board low-power cable is available using spare part number L73310-001. Before removing the USB/audio board cables, follow these steps: 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.

  • Page 35: Usb/Audio Board

    USB/audio board NOTE: The USB/audio board spare part kit does not include the USB/audio board high-power and low-power cables. The USB/audio board high-power cable is available using spare part number L73309-001. The USB/audio board low-power cable is available using spare part number L73310-001. Table 5-4 USB/audio board description and spare part number information Description...

  • Page 36: System Board

    Remove the USB/audio board (4). Reverse this procedure to install the USB/audio board and cables. System board NOTE: The system board spare part kit includes replacement thermal pads. Additional replacement thermal pads are available in the Thermal Pad Replacement Kit, spare part number L76600-001. Table 5-5 System board description and spare part number information Description...
  • Page 37 Table 5-5 System board description and spare part number information (continued) Description Spare part number Equipped with an Intel Pentium N5000 1.1 GHz (turbo up to 2.7 GHz) processor (2400-MHz FSB, 4-MB L2 L85681-001 cache, quad core, 6 W), a graphics subsystem with UMA memory, 8-GB of system memory, 128-GB of eMMC storage, and a non-Windows 10 operating system Equipped with an Intel Pentium N5000 1.1 GHz (turbo up to 2.7 GHz) processor (2400-MHz FSB, 4-MB L2 L85676-001...
  • Page 38 Remove the six Phillips M2.0×4.2 screws that secure the system board to the keyboard/top cover. Lift the left side (1) of the system board until it rests at an angle. Chapter 5 Removal and replacement procedures...
  • Page 39 Remove the system board (2) by sliding it up and to the left at an angle. NOTE: The thermal material must be thoroughly cleaned from the surfaces of the keyboard/top cover and the system board components each time the system board is removed. A thermal pad is used on the processor (1) and the keyboard/top cover section (2) that services it.

  • Page 40: Power Cable

    Power cable Table 5-6 Power cable description and spare part number information Description Spare part number Power cable L73311-001 Before removing the power cable, follow these steps: 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.

  • Page 41: Speakers

    Speakers Table 5-7 Speakers description and spare part number information Description Spare part number Speaker Kit (includes left and right speakers, cables, and 3 rubber isolators) L73318-001 Before removing the speakers, follow these steps: 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.

  • Page 42: Display Assembly

    Display assembly NOTE: The display assembly is spared at the subcomponent level. For display assembly spare part information, see the individual removal subsections. Before removing the display assembly, follow these steps: 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.
  • Page 43 Release the display panel cable from the retention clip (7) and routing channel built into the keyboard/top cover. Remove the four Phillips M2.5×5.7 screws that secure the display assembly to the keyboard/top cover. Swing the keyboard/top cover (1) up and away from the display assembly. Component replacement procedures...
  • Page 44 Slide the display assembly (2) away from the keyboard/top cover and remove the display assembly. If it is necessary to replace the display panel assembly or any of the display assembly subcomponents: Remove the hinge cap (1) from the display right hinge. The hinge cap is available using spare part number L76602-001.
  • Page 45 Insert a case utility tool (1) or similar thin plastic tool into the top edge of the display panel assembly and separate the assembly (2) from the display back cover. Remove the display panel assembly and display panel cable. The display panel assembly is available using the following spare part numbers ●...
  • Page 46 Detach the touch control board (4) from the display back cover. (The touch control board is attached to the display back cover with double-sided adhesive.) The touch control board is available using spare part numbers L78118-001 (for use only on computer models equipped with a stylus) and L76601-001 (for use only on computer models not equipped with a stylus).
  • Page 47 Detach the G-sensor board (3) from the display back cover. (The G-sensor board is attached to the display back cover with double-sided adhesive.) The G-sensor board is available using spare part number L73317-001. If it is necessary to replace the display panel cable: Remove the display panel assembly.
  • Page 48 Release the retention tape (6) that secures the display panel cable, and then disconnect the display panel cable (7) from the G-sensor board. Remove the display panel cable. The display panel cable is available using spare part number L73313-001. If it is necessary to replace the webcam/microphone module: Remove the display panel assembly.
  • Page 49 Release the ZIF connector (2) to which the webcam/microphone module cable is connected, and then disconnect the webcam/microphone module cable from the webcam/microphone module. The webcam/microphone module is available using spare part number L73302-001. If it is necessary to replace the webcam/microphone module cable: Remove the display panel assembly.
  • Page 50 Detach the webcam/microphone module (4) from the display back cover. (The webcam/microphone module is attached to the display back cover with double-sided adhesive.) Remove the webcam/microphone module cable. The webcam/microphone module cable is available using spare part number L73314-001. If it is necessary to replace the display hinges: Remove the display panel assembly.
  • Page 51 Remove the display hinges (4). The display hinges are available using spare part number L73326-001. If it is necessary to replace the wireless antenna: Remove the display panel assembly. Remove the display hinges. Detach the wireless antenna transceivers (1) from the display back cover. (The wireless antenna transceivers are attached to the display back cover with double-sided adhesive.) Release the wireless antenna cables from the retention clips (2) and routing channels built into the top, left and right, and bottom edges of the display back cover...
  • Page 52 Remove the wireless antenna cables (3) and transceivers. The wireless antenna transceivers and cables are available using spare part number L73325-001. Reverse this procedure to reassemble and install the display assembly. Chapter 5 Removal and replacement procedures...

  • Page 53: Touchpad Cable

    Touchpad cable NOTE: The touchpad cable is available using spare part number L73312-001. Before removing the touchpad cable, follow these steps: 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. Disconnect all external devices connected to the computer.

  • Page 54: Touchpad

    Touchpad NOTE: The touchpad spare part kit incldes the touchpad bracket, but does not include the touchpad cable. The touchpad cable is available using spare part number L73312-001. Table 5-8 Touchpad description and spare part number information Description Spare part number In mineral silver finish L73315-001 In natural silver finish...
  • Page 55 Remove the touchpad (6). Reverse this procedure to install the touchpad and cable. Component replacement procedures...

  • Page 56: Specifications

    AC adapter or a DC power source that is supplied and approved by HP for use with this computer. The computer can operate on DC power within the following specifications. Operating voltage and current varies by platform.
  • Page 57 Table 6-1 Computer specifications (continued) Metric U.S. 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...

  • Page 58: Backing Up, Resetting, And Recovering

    Backing up, resetting, and recovering Backing up You can back up data to an optional USB flash drive or SD memory card or through Google Drive™. For detailed information about creating a backup, go to http://www.support.google.com. Resetting A factory reset erases all the information on the computer, including all the files in the Downloads folder. Before resetting the computer, make sure to back up all files to an optional USB flash drive, SD memory card, or through Google Drive.

  • Page 59: Recovering

    Recovering When your Chrome operating system (OS) isn’t working properly, you can perform a recovery. A recovery reinstalls the operating system and software programs and restores the original factory settings. Locally saved files and saved networks are deleted for all accounts. Your Google accounts and any data synced to your Google Drive are not affected by a system recovery.

  • Page 60: Recovering The Chrome Operating System

    Recovering the Chrome operating system To recover the Chrome operating system on your computer using the recovery media you created: Disconnect any external devices connected to the computer, plug in the power cord, and then turn on the computer. To enter recovery mode, press and hold esc+f3, and then press the power button. When the “Chrome OS is missing or damaged”...

  • Page 61: Power Cord Set Requirements

    Power cord set requirements The wide-range input feature of the computer permits it to operate from any line voltage from 100 to 120 V AC, or from 220 to 240 V AC. The 3-conductor power cord set included with the computer meets the requirements for use in the country or region where the equipment is purchased.

  • Page 62: Requirements For Specific Countries And Regions

    Requirements for specific countries and regions Table 8-1 Power cord requirements Country/region Accredited agency Applicable note number Argentina IRAM Australia Austria Belgium CEBEC Brazil ABNT Canada Chile Denmark DEMKO Finland FIMKO France Germany India Israel Italy Japan The Netherlands KEMA New Zealand SANZ Norway...
  • Page 63 Table 8-1 Power cord requirements (continued) Country/region Accredited agency Applicable note number The flexible cord must be Type SVT/SJT or equivalent, No. 18 AWG, 3-conductor. The wall plug must be a two-pole grounding type with a NEMA 5-15P (15 A, 125 V AC) or NEMA 6-15P (15 A, 250 V AC) configuration. CSA or C-UL mark. UL file number must be on each element.

  • Page 64: Recycling

    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.

  • Page 65: Index

    Index hinge cap AC adapter and battery light 3, 4 display assembly removal 38, 43, 44 AC adapter, spare part number 16 removal 36 spare part number 15, 38, 43, 44 action keys 9 spare part number 36 antenna display back cover, spare part internal microphones 6 locations 6 number 16...
  • Page 66 7 video 1 transporting guidelines 19 wireless 1 product name 1 USB SuperSpeed port with HP Sleep and Charge 4 right side components 3 USB Type-C power connector and Rubber Feet Kit, spare part number port 3, 4, 5...

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