HP Chromebook x360 12b Maintenance And Service Manual
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HP Chromebook x360 12b Maintenance And Service Manual

HP Chromebook x360 12b Maintenance And Service Manual

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Maintenance and Service Guide
HP Chromebook x360 12b
IMPORTANT! This document is intended for
HP authorized service providers only.

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Summary of Contents for HP Chromebook x360 12b

  • Page 1 Maintenance and Service Guide HP Chromebook x360 12b IMPORTANT! This document is intended for HP authorized service providers only.
  • Page 2 Google LLC. DisplayPort is a of the HP End User License Agreement (EULA). If Not all features are available in all editions or trademark owned by the Video Electronics 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 ....................................... 10 3 Illustrated parts catalog ..................................
  • Page 6 Touchpad cable ..............................38 Touchpad ................................29 System board ..............................40 Power cable ................................ 43 Speakers ................................45 6 Specifications ......................................46 Computer specifications ................................ 46 7 Backing up, resetting, and recovering ..............................48 Backing up ....................................48 Resetting ....................................48 Recovering ....................................

  • Page 7: Product Description

    Product components and descriptions Category Description Product Name HP Chromebook™ x360 12b (model number: 12b-ca0xxx; CTO model number 12bt-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 Support for a conventional 1.00-m power cord with a C5 connector Operating system Chrome 64 Chapter 1 Product description...

  • 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 your 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. Keyboard area...

  • Page 16: Labels

    Locate this information before contacting support. Table 2-7 Service label components Item Component HP product name Model number Product ID Serial number Warranty period Table 2-8 Service label components...
  • Page 17 Table 2-8 Service label components (continued) Item Component Serial number Warranty period ● 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. Labels...

  • Page 18: 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 19 Table 3-1 Computer component descriptions and spare part information Item Component Spare part number Display assembly: The display assembly is spared at the subcomponent level only. For more display assembly spare part information, see Display components on page Keyboard/top cover with backlight (includes backlight cable and keyboard cable): For use in Belgium L73244-A41 For use in Canada...
  • 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 L70809-001 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 L70808-001...

  • Page 21: Display Components

    Display components Table 3-2 Display component descriptions and spare part information Item Component Spare part number Display panel assembly: 12.0-in, HD+ (1366×912), antiglare, WLED, WVA, USI display panel assembly L77982-001 12.0-in, HD+ (1366×912), antiglare, WLED, WVA display panel assembly L70814-001 Display panel cable L70823-001 G-sensor board...

  • Page 22: Miscellaneous Parts

    Miscellaneous parts Table 3-3 Miscellaneous components and descriptions Component Spare part number 45-W AC adapter (non-PFC, USB Type-C, 1.8 m, 3 pin) L43407-001 Pen (active, HVAR, USI) L73384-001 Power cord (C5 connector, 1.00-m, conventional with sticker): For use in Australia L19358-001 For use in Denmark L19360-001...

  • 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 screwdriver ● Magnetic screwdriver ● Phillips P0 and P1 screwdrivers ● 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 40 screws that must be removed, replaced, and/or loosened when servicing Authorized Service Provider only parts.
  • Page 29 Remove the two screw covers (2). The screw covers are included in the Screw Cover Kit, spare part number L73740-001. Remove the four Phillips M2.0×5.6 screws (3) that secure the bottom cover to the computer. Insert a case utility tool (1) or similar thin plastic tool into the display hinge areas of the bottom cover. Separate the rear edge (2) of the bottom cover from the keyboard/top cover.

  • Page 30: Battery

    Battery Table 5-2 Battery description and spare part number information Description Spare part number 2-cell, 40.31-Wh, 5.275-Ah, Li-ion battery (includes cable) L64430-005 Before removing the battery, 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 31: 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 32 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. Chapter 5 Removal and replacement procedures...

  • Page 33: Usb/Audio Board Cable

    USB/audio board cable NOTE: The USB/audio board high-power cable is available using spare part number L70820-001. The USB/ audio board low-power cable is available using spare part number L70821-001. 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 34: Usb/Audio Board

    USB/audio board NOTE: The USB/audio board spare part kit does not include the USB/audio board cables. The USB/audio board high-power cable is available using spare part number L70820-001. The USB/audio board low-power cable is available using spare part number L70821-001. Table 5-4 USB/audio board description and spare part number information Description...

  • Page 35: Display Assembly

    Remove the USB/audio board (5). Reverse this procedure to install the USB/audio board and cable. 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.
  • Page 36 Disconnect the display panel cable (6) from the system board. Release the display panel cable from the retention clip (7) and routing channel built into the speakers. Remove the four Phillips M2.5×5.6 screws that secure the display assembly to the keyboard/top cover. Swing the keyboard/top cover (1) up and away from the display assembly.
  • Page 37 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: 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.
  • Page 38 Remove the display panel assembly. Position the display panel assembly with the panel facing down. IMPORTANT: Before placing the display panel assembly with the panel facing down, make sure there are no foreign objects (tools, screws) on the work surface. Failure to follow this note can lead to damage to the display panel assembly.
  • Page 39 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 L73658-001. If it is necessary to replace the display panel cable: Remove the display panel assembly.
  • Page 40 Remove the display panel cable (6). The display panel cable is available using spare part number L70823-001. If it is necessary to replace the webcam/microphone module: Remove the display panel assembly. Detach the webcam/microphone module (1) from the display back cover. (The webcam/microphone module is attached to the display back cover with double-sided adhesive.) 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.
  • Page 41 Remove the hinge cap (2) from the display right hinge. The hinge cap is available using spare part number L73659-001. Release the webcam/microphone module cable (3) from the display right hinge. Detach the webcam/microphone module cable (4) from the display back cover. (The webcam/ microphone module cable is attached to the display back cover with double-sided adhesive.) Remove the webcam/microphone module cable (5).
  • Page 42 Remove the display hinges (5). The display hinges are available using spare part number L70826-001. 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.) Chapter 5 Removal and replacement procedures...
  • Page 43 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. Remove the wireless antenna transceivers and cables. The wireless antenna transceivers and cables are available using spare part number L70815-001. Reverse this procedure to install the display assembly.

  • Page 44: Touchpad Cable

    Touchpad cable NOTE: The touchpad cable is available using spare part number L70825-001. 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 45: Touchpad

    Touchpad NOTE: The touchpad spare part kit does not include the touchpad cable. The touchpad cable is available using spare part number L70825-001. Table 5-5 Touchpad description and spare part number information Description Spare part number Touchpad (includes touchpad bracket) L70819-001 Before removing the touchpad, follow these steps: Shut down the computer.

  • Page 46: System Board

    Reverse this procedure to install the touchpad and cable. System board Table 5-6 System board description and spare part number information 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 L70811-001 cache, quad core, 6 W), a graphics subsystem with UMA memory, 8-GB of system memory, 64-GB of eMMC storage, and a non-Windows 10 operating system...
  • Page 47 Remove the four Phillips M2.0×3.8 screws (1) that secure the system board to the keyboard/top cover. Remove the three Phillips M2.0×4.2 screws (2) that secure the system board to the keyboard/top cover. Disconnect the power cable (1) from the system board. Component replacement procedures...
  • Page 48 Release the power cable from the retention clips (2) built into the keyboard/top cover. Lift the left side (1) of the system board until it rests at an angle. Remove the system board (2) by sliding it up and to the left at an angle. Remove the system board.

  • Page 49: Power Cable

    Reverse this procedure to install the system board. Power cable Table 5-7 Power cable description and spare part number information Description Spare part number Power cable L70822-001 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 50 Disconnect the power cable from the system board. Reverse this procedure to install the power cable. Chapter 5 Removal and replacement procedures...

  • Page 51: Speakers

    Speakers Table 5-8 Speakers description and spare part number information Description Spare part number Speaker Kit (includes left and right speakers, cables, and 2 rubber isolators) L70829-001 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 52: 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 53 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 54: 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 55: 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 56: 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 57: 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 58: 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 59 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 60: 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 61: Index

    Index display components 6, 15 AC adapter and battery light 3, 4 display panel assembly jacks AC adapter, spare part number 16 removal 31 audio-in 4 action keys 9 spare part numbers 15, 31 audio-out 4 antenna display panel cable headphone 4 removal 36 removal 33...
  • Page 62 1 workstation guidelines 20 touchpad zone 7 product name 1 transporting guidelines 19 right side components 3 USB SuperSpeed port with HP Sleep rubber foot and Charge 4 removal 22 USB Type-C power connector and spare part number 14, 22...

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