HP Chromebook x360 14a-cb0 Series Maintenance And Service Manual
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HP Chromebook x360 14a-cb0 Series Maintenance And Service Manual

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

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Summary of Contents for HP Chromebook x360 14a-cb0 Series

  • Page 1 Maintenance and Service Guide SUMMARY This guide provides information about spare parts, removal and replacement of parts, security, backing up, and more.
  • Page 2 HP Inc. under of the HP End User License Agreement (EULA). If To access the latest user guides, go to license. Google, Chrome, and Chromebook are you do not accept these license terms, your sole http://www.hp.com/support, and follow the...
  • Page 3 Safety warning notice Reduce the possibility of heat-related injuries or of overheating the computer by following the practices described. WARNING! To reduce the possibility of heat-related injuries or of overheating the computer, do not place the computer directly on your lap or obstruct the computer air vents. Use the computer only on a hard, flat surface. Do not allow another hard surface, such as an adjoining optional printer, or a soft surface, such as pillows or rugs or clothing, to block airflow.
  • Page 4 Safety warning notice...

  • Page 5: Table Of Contents

    Grounding the work area................................20 Recommended materials and equipment..........................20 Cleaning your computer ..................................21 Enabling HP Easy Clean (select products only)........................21 Removing dirt and debris from your computer........................21 Cleaning your computer with a disinfectant .......................... 22 Caring for wood veneer (select products only)........................23 Packaging and transporting guidelines ............................
  • Page 6 Power adapter cable .................................. 38 Display assembly..................................39 Touchpad cable ................................... 48 Touchpad ..................................... 48 6 Backing up, resetting, and recovering ..............................51 Backing up ......................................51 Resetting ......................................51 Recovering......................................52 Installing the Chromebook Recovery Utility........................... 52 Creating recovery media ................................52 Recovering the Chrome operating system..........................

  • Page 7: Product Description

    Audio and video Supports a dual-array microphone Supports dual speakers Supports an HP Wide Vision HD Camera: integrated, one-piece, fixed, USB2, 720p Wireless Wireless Local Area Network (WLAN) Intel® Wi-Fi® 6 AX200 ax 2×2 + Bluetooth® 5.0 MU-MIMO M.2 2230 non-vPro® 160 MHz PCI-e+USB WW with two antennas Realtek ac 2×2 + Bluetooth 5.0 M.2 2230 PCI-e+USB WW...
  • Page 8 Hot plug/unplug and autodetect for correct output to wide-aspect vs. standard aspect video Audio-out (headphone)/audio-in (microphone) combo jack (left side) USB SuperSpeed port (supports HP Sleep and Charge; right side) USB Type-C® power connector and SuperSpeed port (left and right side)

  • Page 9: Components

    Components This chapter provides details about the computer components, where they are located, and how they work. Right Use the illustration and table to identify the components on the right side of the computer. Table 2-1 Right-side components and their descriptions Component Description Volume button...

  • Page 10: Left

    Right-side components and their descriptions (continued) Component Description Off: The battery is not charging. ● USB SuperSpeed port with HP Sleep and Connects a USB device, provides high-speed data transfer, and Charge charges small devices (such as a smartphone), even when the computer is off.

  • Page 11: Display

    Table 2-2 Left-side components and their descriptions (continued) Component Description Connects a USB device, provides high-speed data transfer, and (for select products) charges small devices (such as a smartphone) when the computer is on or in Sleep mode. NOTE: Use a standard USB Type-C charging cable or cable adapter (purchased separately) when charging a small external device.

  • Page 12: Touchpad

    Table 2-3 Display components and their descriptions Component Description WLAN antennas* Send and receive wireless signals to communicate with wireless local area networks (WLANs). Internal microphones (2) Record sound. 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: Speakers

    Table 2-4 Touchpad component and description Component Description Touchpad zone Reads finger gestures to move the pointer or activate items on the screen. Speakers The speakers are located on the left and right side of the keyboard. Speakers...

  • Page 14: Special Keys

    Table 2-5 Speakers and their description Component Description Speakers (2) Produce sound. Special keys Use the illustration and table to locate the special keys. Chapter 2 Components...
  • Page 15 Table 2-6 Special keys and their descriptions Component Description Activates certain computer functions when pressed in combination with other keys, such as or shift. Search key Opens a search box. Action keys Execute frequently used system functions. Special keys...
  • Page 16 Chapter 2 Components...

  • Page 17: Illustrated Parts Catalog

    To identify the computer major components, use this illustration and table. NOTE: HP continually improves and changes product parts. For complete and current information about supported parts for your computer, go to http://partsurfer.hp.com, select your country or region, and then follow the on-screen instructions. NOTE: Details about your computer, including model, serial number, product key, and length of warranty, are on the service tag at the bottom of your computer.
  • Page 18 Table 3-1 Computer major component descriptions and part numbers Item Component Spare part number Display assembly NOTE: Display spare parts are available only as subcomponents, not as whole units. Display subcomponent spare parts are available. For spare part information, see Display assembly subcomponents on page Top cover/keyboard with backlight in Pike silver finish with keyboard in jet black finish (includes backlight cable and keyboard cable):...
  • Page 19 Table 3-1 Computer major component descriptions and part numbers (continued) Item Component Spare part number For use in Germany M59281-041 For use in Italy M59281-061 For use in Japan M59281-291 For use in the Netherlands M59281-B31 For use in Spain M59281-071 For use in the United States M59281-001...
  • Page 20 Rubber screw covers in natural silver finish M15301-001 (12) Bottom cover M59259-001 (13) Connector board (includes USB Type-C power connector and SuperSpeed port and USB SuperSpeed M59268-001 port with HP Sleep and Charge) (14) Power adapter cable M59263-001 (15) Low-speed cable M59260-001 (16)

  • Page 21: Display Assembly Subcomponents

    Display assembly subcomponents To identify the display assembly subcomponents, use this illustration and table. Table 3-2 Display component descriptions and part numbers Item Component Spare part number Display bezel in jet black finish M59258-001 Webcam/microphone module (includes double-sided adhesive) M59278-001 Display Bezel Adhesive Kit (not illustrated) M27496-001 Display bracket (not available as a spare part component)

  • Page 22: Miscellaneous Parts

    Table 3-2 Display component descriptions and part numbers (continued) Item Component Spare part number 35.6 cm (14.0 in), LCD, FHD (1920 × 1080), antiglare, UWVA, touchscreen display panel assembly M59271-001 35.6 cm (14.0 in), LCD, HD (1920 × 1080), antiglare, SVA, touchscreen display panel assembly M59270-001 Display hinges (2, includes left and right hinges and brackets) M59266-001...

  • Page 23: Removal And Replacement Procedures Preliminary Requirements

    Removal and replacement procedures preliminary requirements Use this information to properly prepare to disassemble and reassemble the computer. Tools required You need the following tools to complete the removal and replacement procedures: Tweezers ● Nonconductive, nonmarking pry tool ● Magnetic Phillips P1 screwdriver ●...

  • Page 24: Drive Handling

    Drive handling Note the following guidelines when handling drives. IMPORTANT: Drives are fragile components. Handle them 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 the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system.

  • Page 25: Preventing Electrostatic Damage To Equipment

    Static electricity increases as humidity decreases. ● Table 4-1 Static electricity occurrence based on activity and humidity Relative humidity Event Walking across carpet 7,500 V 15,000 V 35,000 V Walking across vinyl floor 3,000 V 5,000 V 12,000 V Motions of bench worker 400 V 800 V 6,000 V...

  • Page 26: Grounding The Work Area

    Use conductive field service tools, such as cutters, screwdrivers, and vacuums. ● Avoid contact with pins, leads, or circuitry. ● Recommended materials and equipment HP recommends certain materials and equipment to prevent static electricity. Antistatic tape ● Antistatic smocks, aprons, or sleeve protectors ●...

  • Page 27: Cleaning Your Computer

    Enabling HP Easy Clean (select products only) HP Easy Clean helps you to avoid accidental input while you clean the computer surfaces. This software disables devices such as the keyboard, touch screen, and touchpad for a preset amount of time so that you can clean all computer surfaces.

  • Page 28: Cleaning Your Computer With A Disinfectant

    Keep liquids away from the product. Avoid getting moisture in any openings. If liquid makes its way inside your HP product, it can cause damage to the product. Do not spray liquids directly on the product. Do not use aerosol sprays, solvents, abrasives, or cleaners containing hydrogen peroxide or bleach that might damage the finish.

  • Page 29: Caring For Wood Veneer (Select Products Only)

    When grounding is not possible, use an ionizer to dissipate electric charges. Accessing support information Use this information to find the HP support that you need. Caring for wood veneer (select products only)
  • Page 30 Search collect Chrome device logs. Technical bulletins To locate technical bulletins: Go to www.hp.com. Place the cursor over Problem solving to display more options. Select Support & Troubleshooting. Type the serial number, product number, or product name to go to the product support page.
  • Page 31 Table 4-3 Support information locations (continued) Service consideration Path to access information Near the bottom of the window, select Notebook PCs, and then select your location. Accessing support information...
  • Page 32 Chapter 4 Removal and replacement procedures preliminary requirements...

  • Page 33: Removal And Replacement Procedures For Authorized Service Provider Parts

    NOTE: HP continually improves and changes product parts. For complete and current information about supported parts for your computer, go to http://partsurfer.hp.com, select your country or region, and then follow the on-screen instructions. You must remove, replace, or loosen as many as 56 screws when you service the parts described in this chapter.
  • Page 34 Before removing the bottom cover, prepare the computer for disassembly (see Preparation for disassembly on page 27). Remove the bottom cover: Close the computer. Turn the computer upside down with the front toward you. Remove the rubber screw covers (1) on the front edge of the comptuer. Remove the front (2) and rear rubber foot strips.

  • Page 35: Battery

    Remove the bottom cover (3). To replace the bottom cover, reverse the removal procedures. Battery To remove the battery, use this procedure and illustration. Table 5-2 Battery description and part number Description Spare part number Battery (2 cell, 47 Whr, includes cable) L75783-006 Before removing the battery, follow these steps: Prepare the computer for disassembly (see...

  • Page 36: Speakers

    Remove the battery (4). Reverse this procedure to install the battery. Speakers To remove the speakers, use this procedure and illustration. Table 5-3 Speakers description and part number Description Spare part number Speakers (include left and right speakers, cables, and four rubber isolators) M59273-001 Before removing the speakers, follow these steps: Prepare the computer for disassembly (see...

  • Page 37: Wlan Module

    Reverse this procedure to install the speakers. WLAN module To remove the WLAN module, use this procedure and illustration. Table 5-4 WLAN module descriptions and part numbers Description Spare part number Intel Wi-Fi 6 AX200 ax 2×2 + Bluetooth 5.0 MU-MIMO M.2 2230 non-vPro 160 MHz PCI-e + USB WW with two 2 L35282-005 antennas Realtek ac 2×2 + Bluetooth 5.0 M.2 2230 PCI-e + USB WW...

  • Page 38: Connector Board Cables

    Remove the Phillips M2.0 × 2.8 screw (3), and then remove the WLAN module (4). NOTE: Models have either one or two WLAN antennas. On models with two antennas, the #1 white WLAN antenna cable connects to the WLAN module #1 Main terminal. The #2 black WLAN antenna cable connects to the WLAN module #1 Aux terminal.

  • Page 39: Connector Board

    Connector board (includes USB Type-C power connector and SuperSpeed port and USB SuperSpeed port with M59268-001 HP Sleep and Charge) NOTE: The connector board spare part kit does not include the connector board cables. The connector board cable is available using spare part number M45459-001.

  • Page 40: System Board

    Before removing the connector board, follow these steps: Prepare the computer for disassembly (see Preparation for disassembly on page 27). Remove the bottom cover (see Bottom cover on page 27). Disconnect the battery cable from the system board (see Battery on page 29).
  • Page 41 Before removing the system board, follow these steps: Prepare the computer for disassembly (see Preparation for disassembly on page 27). Remove the bottom cover (see Bottom cover on page 27). Disconnect the battery cable from the system board (see Battery on page 29).

  • Page 42: Heat Sink

    Remove the system board (3) by sliding it up and to the left at an angle. Thoroughly clean the thermal pad material from the surfaces of the system board and the top cover/ keyboard components each time the system board is removed. Replacement thermal pad material is included with the system board and top cover/keyboard spare part kits.
  • Page 43 Table 5-7 Heat sink descriptions and part number Description Spare part number Heat sink (includes replacement thermal material) M59279-001 Before removing the heat sink, follow these steps: Prepare the computer for disassembly (see Preparation for disassembly on page 27). Remove the bottom cover (see Bottom cover on page 27).

  • Page 44: Power Adapter Cable

    Reverse this procedure to install the heat sink. Power adapter cable To remove the power adapter cable, use this procedure and illustration. Table 5-8 Power adapter cable description and part number Description Spare part number Power adapter cable M59263-001 Before removing the power adapter cable, follow these steps: Prepare the computer for disassembly (see Preparation for disassembly on page 27).

  • Page 45: Display Assembly

    Disconnect the power adapter cable from the system board. Reverse this procedure to install the power adapter cable. Display assembly To remove and disassemble the display assembly, use these procedures and illustrations. Full hinge-up displays are not available as spare parts. Spare parts for displays are available only at the subcomponent level.
  • Page 46 Release the display panel cable from the retention clip (8) built into the top cover/keyboard. Remove the four Phillips M2.5 × 5.6 screws that secure the display assembly to the computer. Swing the top edge of the display assembly (1) away from the top cover/keyboard. Chapter 5 Removal and replacement procedures for authorized service provider parts...
  • Page 47 Separate the display assembly (2) from the top cover/keyboard. If you need to replace display assembly subcomponents: Flex the inside edge of the bottom edge of the display bezel (1) to release it from the display assembly. Flex the inside edges of the left and right sides of the bezel (2) to release them. Flex the inside edge of the top of the bezel (3) to release it.
  • Page 48 Simultaneously twist (2) and pull (3) the tape away from the display panel. Release the G-sensor module (1) from the display back cover. (The G-sensor module is secured to the display back cover with double-sided adhesive.) Release the display panel cable from the retention clips (2) and routing channel built in to the display back cover.
  • Page 49 Remove the display panel (2) from the display back cover. The display panel is available using spare part numbers M59271-001 (35.6 cm (14.0 in), LCD, FHD (1920 × 1080), antiglare, UWVA, touchscreen display panel assembly) and M59270-001 (35.6 cm (14.0 in), LCD, HD (1920 × 1080), antiglare, SWVA, touchscreen display panel assembly). If you need to remove the G-sensor module: Remove the display bezel.
  • Page 50 Remove the display bezel. Remove the display panel. Remove the G-sensor module. Remove the grounding tape (1) that secures the display panel cable to the display panel. Release the retention arm (2) that secures the display panel cable to the display panel. Disconnect the display panel cable (3) cable from the display panel.
  • Page 51 Remove the display bracket (2). Remove the display hinge plug (1) from the right hinge. Release the webcam/microphone module cable from the retention clips (2) built into the display back cover. Detach the webcam/microphone module cable (3) from the display back cover. (The webcam/ microphone module cable is attached to the display back cover with double-sided adhesive.) Lift up evenly across the webcam/microphone module and detach the module up from the display back cover (4).
  • Page 52 If you need to remove the display hinges: Remove the display bezel. Remove the display panel. Remove the display hinge plug (1) from the right hinge. Remove the two Phillips M2.0 × 2.9 screws (2) that secure the hinge brackets to the display back cover.
  • Page 53 If you need to remove the wireless antennas: Remove the display bezel. Remove the display panel. Remove the display hinges. Release the wireless antenna cables from the retention clips (1) and routing channel built into the display back cover. Detach the wireless antenna transceivers (2) from the display back cover. (The wireless antenna transceivers are attached to the display back cover with double-sided adhesive.) Remove the wireless antennas (3).

  • Page 54: Touchpad Cable

    Touchpad cable To remove the touchpad cable, use this procedure and illustration. NOTE: The touchpad cable spare part kit includes touchpad cable. Table 5-9 Touchpad cable description and part number Description Spare part number Touchpad cable M59262-001 Before removing the touchpad cable, follow these steps: Prepare the computer for disassembly (see Preparation for disassembly on page 27).
  • Page 55 Table 5-10 Touchpad description and part number Description Spare part number Touchpad M59269-001 Before removing the touchpad, follow these steps: Prepare the computer for disassembly (see Preparation for disassembly on page 27). Remove the bottom cover (see Bottom cover on page 27).
  • Page 56 Chapter 5 Removal and replacement procedures for authorized service provider parts...

  • Page 57: Backing Up, Resetting, And Recovering

    Backing up, resetting, and recovering This chapter provides information about processes that are standard procedure for most products. Backing up You can back up your 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.

  • Page 58: Recovering

    Recovering When your Chrome OS™ operating system is not 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™...

  • Page 59: 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 your computer, plug in the power cord, and then turn on the computer. To enter recovery mode, press and hold + f3, and then press the power button.
  • Page 60 Chapter 6 Backing up, resetting, and recovering...

  • Page 61: Specifications

    Specifications This chapter provides specifications for your computer. Computer specifications This section provides specifications for your computer. When you travel with your computer, the computer dimensions and weights, as well as input power ratings and operating specifications, provide helpful information. Table 7-1 Computer specifications Metric...

  • Page 62: 35.6 Cm (14.0 In) Display Specifications

    Table 7-1 Computer specifications (continued) Metric U.S. NOTE: Applicable product safety standards specify thermal limits for plastic surfaces. The device operates well within this range of temperatures. 35.6 cm (14.0 in) display specifications This section provides specifications for your display. Table 7-2 Display specifications Metric...

  • Page 63: Power Cord Set Requirements

    Power cord set requirements This chapter provides power cord requirements for countries and regions. The wide-range input feature of the computer permits it to operate from any line voltage from 100 V ac to 120 V ac, or from 220 V ac to 240 V ac. The three-conductor power cord set included with the computer meets the requirements for use in the country or region where the equipment is purchased.
  • Page 64 Table 8-1 Power cord requirements for specific countries and regions (continued) Country/region Accredited agency Applicable note number Chile Denmark DEMKO Finland FIMKO France Germany India Israel Italy Japan Netherlands KEMA New Zealand SANZ Norway NEMKO People's Republic of China Saudi Arabia SASO Singapore South Africa...
  • Page 65 Table 8-1 Power cord requirements for specific countries and regions (continued) Country/region Accredited agency Applicable note number For 127 V ac, the flexible cord must be Type SVT or SJT 3-conductor, 18 AWG, with plug NEMA 5-15P (15 A, 125 V ac), with UL and CSA or C-UL marks.
  • Page 66 Chapter 8 Power cord set requirements...

  • Page 67: 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 website at http://www.hp.com/recycle.
  • Page 68 Chapter 9 Recycling...

  • Page 69: Index

    16, 47 cleaning your computer 21 spare part number 16, 44 caring for wood veneer 23 disinfecting 22 HP Easy Clean 21 illustrated parts catalog 11 electrostatic discharge (ESD) 17, 18 removing dirt and debris 21 Index...
  • Page 70 Chrome operating system transporting guidelines 17, 23 Recovery Utility 52 removal and replacement packaging guidelines 17, 23 USB SuperSpeed port with HP Sleep procedures 27 pointing device, product description and Charge 4 resetting 51 USB Type-C power connector and...
  • Page 71 webcam/microphone module illustrated 15 removal 44 spare part number 15, 45 webcam/microphone module cable illustrated 16 removal 45 spare part number 16, 46 wireless antenna illustrated 16 location 6 removal 47 spare part number 16, 47 wireless, product description 1 WLAN antenna illustrated 16 location 6...

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