HP Chromebook 14 Maintenance And Service Manual
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HP Chromebook 14 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 14

  • 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 license. bound by the terms of the HP End User License To access the latest user guides, go to Intel, Celeron, and vPro are trademarks of Agreement (EULA).
  • 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.

  • Page 4: Table Of Contents

    Grounding the work area ............................17 Recommended materials and equipment.......................17 Cleaning your computer ..............................18 Enabling HP Easy Clean (select products only) .......................18 Removing dirt and debris from your computer.......................18 Cleaning your computer with a disinfectant ......................19 Caring for wood veneer (select products only) .......................20 Packaging and transporting guidelines ..........................20...
  • Page 5 Top cover with keyboard............................23 Touchpad cable ................................25 Touchpad .................................26 Battery ..................................27 WLAN module ................................29 Connector board cables ............................30 Connector board ..............................31 Sensor board cable ..............................32 Speakers ..................................33 Sensor board................................34 System board................................35 Display assembly..............................38 6  Backing up, resetting, and recovering ..........................48 Backing up ..................................48 Resetting..................................48 Recovering ..................................48 Option 1: Recovering using an internet connection....................49...

  • Page 6: 1  Product Description

    Table 1-1 Product components and their descriptions Category Description Product Name HP Chromebook™ 14 Processors Intel® Celeron® N4120 processor (1.1 GHz base frequency, up to 2.6 GHz burst frequency, 4 MB cache, 4 cores) Graphics Internal graphics Intel UHD Graphics 600...
  • Page 7 Product components and their descriptions (continued) Category Description Power requirements Battery 2 cell, 47 Whr, polymer, HP Long Life HP Fast Charge Technology Smart AC adapter (USB Type-C, non power factor correction, (nPFC ), straight, 1.8 m [6 ft]) 45 W Power cord C5, conventional, 1 m (3.3 ft)

  • Page 8: 2  Components

    Components Your computer features top-rated components. This chapter provides details about your 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...

  • Page 9: Left

    Table 2-1 Right-side components and their descriptions (continued) Component Description Battery light When AC power is connected: White: The battery charge is greater than 90 percent. ● Amber: The battery charge is from 0 to 90 percent. ● Off: The battery is not charging. ●...

  • Page 10: Display

    Table 2-2 Left-side components and their descriptions (continued) Component Description USB SuperSpeed 5 Gbps port 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-A charging cable or cable adapter (purchased separately) when charging a small...

  • Page 11: Keyboard Area

    Table 2-3 Display components and their descriptions (continued) Component Description Camera light On (white): The camera is in use. On (amber): The camera is turned off. Off: The camera is turned off by the software. *The antennas are not visible from the outside of the computer. For optimal transmission, keep the areas immediately around the antennas free from obstructions.

  • Page 12: Speakers

    Speakers Speakers are located on the right and left above the keyboard. Table 2-5 Speakers and their descriptions Component Description Speakers Produce sound. Special keys Use the illustration and table to locate the special keys. Speakers...

  • Page 13: Labels

    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. Power key When the computer is off, press the key briefly to turn on ●...
  • Page 14 Table 2-7 Service label components (continued) Component Product ID HP product name Table 2-8 Service label components Component HP product name Product ID Serial number Warranty period Table 2-9 Service label components Component HP product name Warranty period Product ID Serial number Regulatory labels—Provide regulatory information about the computer.

  • Page 15: 3  Illustrated Parts Catalog

    Illustrated parts catalog Use this chapter to determine the spare parts that are available for the computer. Computer major components To identify the computer major components, use this illustration and table. Chapter 3  Illustrated parts catalog...

  • Page 16: Display Assembly Subcomponents

    Table 3-1 Computer major component descriptions and part numbers Item Component Spare part number Display assembly not available as a spare part NOTE: Display assemblies are offered as spare parts only at a subcomponent level. For more information, see Display assembly subcomponents on page Top cover with keyboard N21158-001 (3a)

  • Page 17: Miscellaneous Parts

    Table 3-2 Display component descriptions and part numbers Item Component Spare part number Display bezel M01026-001 Hinge cover N18217-001 Camera module (includes double-sided adhesive) L90439-001 Display bracket L90417-001 Display panel N18668-001 Display panel cable (included in the Display Cable with Hinge Kit) M76003-001 Camera cable (included in the Cable Kit) L90412-001...
  • Page 18 Table 3-3 Miscellaneous part descriptions and part numbers (continued) Component Spare part number Screw Kit L90432-001 Tape Kit (includes bezel and display cover adhesive) M47411-001 Power cord (C5, conventional, 1.0 m [3.3 ft]) North America L19367-001 Miscellaneous parts...

  • Page 19: 4  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 20: Electrostatic Discharge Information

    Before handling a drive, be sure that you are discharged of static electricity. While handling a drive, ● avoid touching the connector. Before removing an optical drive, be sure that a disc is not in the drive, and be sure that the optical drive ●...

  • Page 21: Preventing Electrostatic Damage To Equipment

    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 Removing dual in-line packages (DIPs) from plastic tube 400 V...

  • Page 22: 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 23: 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 24: 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 25: Caring For Wood Veneer (Select Products Only)

    When grounding is not possible, use an ionizer to dissipate electric charges. Accessing support information To find the HP support that you need, use this information. Chapter 4  Removal and replacement procedures preliminary requirements...
  • Page 26 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 27 Path to access information Component and diagnosis information, failure To locate diagnosis information and actions: detection, and required action Go to http://www.hp.com/go/techcenter/pcdiags. Select Get Support. Near the bottom of the window, select Notebook PCs, and then select your location. Chapter 4  Removal and replacement procedures preliminary requirements...

  • Page 28: 5  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. Make special note of each screw size and location during removal and replacement.
  • Page 29 Close the computer and position it upside down. Remove the eight Phillips M2.5 × 7.2 screws that secure the top cover to the bottom cover. Use a thin plastic tool (1) to separate the rear edge of the top cover (2) from the bottom cover. Position the computer right side up with the rear toward you.

  • Page 30: Touchpad Cable

    Lift the rear edge of the top cover (1) as far as the backlight cable, keyboard cable, sensor board cable, and touchpad cable allow. Release the shielding (2) that covers the touchpad cable zero insertion force (ZIF) connector, the keyboard cable ZIF connector, and the backlight cable ZIF connector. Release the ZIF connector (3) to which the touchpad cable is connected, and then disconnect the touchpad cable from the system board.

  • Page 31: Touchpad

    Disconnect the battery cable from the system board (see Battery on page 27). Remove the touchpad cable: Turn the top cover upside down with the front toward you. Release the shielding (1) that covers the touchpad cable ZIF connector. Release the ZIF connector (2) to which the touchpad cable is connected, and then disconnect the touchpad cable from the touchpad.

  • Page 32: Battery

    Disconnect the battery cable from the system board (see Battery on page 27). Remove the touchpad: Turn the top cover upside down with the front toward you. Remove the four Phillips M2.0 × 2.9 screws (1) that secure the touchpad and touchpad bracket to the keyboard/top cover.
  • Page 33 WARNING! To reduce potential safety issues, use only the user-replaceable battery provided with the computer, a replacement battery provided by HP, or a compatible battery purchased from HP. IMPORTANT: Removing a battery that is the sole power source for the computer can cause loss of information.

  • Page 34: Wlan Module

    To replace the battery, reverse the removal procedures. WLAN module To remove the WLAN module, use this procedure and illustration. Table 5-5 WLAN module description and part number Description Spare part number Intel 9560 ac 2 × 2 + Bluetooth 5.0 MU-MIMO M.2 non-vPro WLAN module L41693-005 WLAN module bracket M00451-001...

  • Page 35: Connector Board Cables

    If the WLAN antenna is not connected to the terminal on the WLAN module, you must install a protective sleeve on the antenna connector, as shown in the following illustration. To install the WLAN module, reverse this procedure. Connector board cables To remove the connector board cables, use this procedure and illustration.

  • Page 36: Connector Board

    Before removing the connector board cables, follow these steps: Prepare the computer for disassembly (see Preparation for disassembly on page 23). Remove the top cover with keyboard (see Top cover with keyboard on page 23). Disconnect the battery cable from the system board (see Battery on page 27).

  • Page 37: Sensor Board Cable

    Prepare the computer for disassembly (see Preparation for disassembly on page 23). Remove the top cover with keyboard (see Top cover with keyboard on page 23). Disconnect the battery cable from the system board (see Battery on page 27). Remove the connector board: Release the shielding (1) that covers the connector board cable ZIF connectors.

  • Page 38: Speakers

    Prepare the computer for disassembly (see Preparation for disassembly on page 23). Remove the top cover with keyboard (see Top cover with keyboard on page 23). Disconnect the battery cable from the system board (see Battery on page 27). Remove the sensor board cable: Release the ZIF connector (1) to which the sensor board cable is connected, and then disconnect the sensor board cable from the system board.

  • Page 39: Sensor Board

    Disconnect the battery cable from the system board (see Battery on page 27). Remove the speakers: Release the shielding (1) that secures the speaker cable to the system board and covers the speaker cable connector. Disconnect the speaker cable (2) from the system board. Remove the three Phillips M2.0 ×...

  • Page 40: System Board

    Remove the sensor board: Release the ZIF connector (1) to which the sensor board cable is connected, and then disconnect the sensor board cable from the sensor board. Remove the sensor board (2) and cable. To install the sensor board, reverse this procedure. System board To remove the system board, use these procedures and illustrations.
  • Page 41 Release the ZIF connectors (2) to which the connector board cables are connected, and then disconnect the connector board cables from the system board. Release the shielding (3) that covers the camera cable connector. Disconnect the camera cable (4) from the system board. Release the shielding (5) that covers the display panel cable connector.
  • Page 42 Remove the I/O bracket (2). Lift the left side the system board (1) until it rests at an angle. Remove the system board (2) by lifting it up and to the left at an angle. To install the system board, reverse this procedure. System board...

  • Page 43: Display Assembly

    Display assembly To remove and disassemble the display assembly, use these procedures and illustrations. NOTE: The display assembly is spared at the subcomponent level only. Before removing the display assembly, follow these steps: Prepare the computer for disassembly (see Preparation for disassembly on page 23).
  • Page 44 Close the computer. Turn the computer upside down with the front toward you. Use a case utility tool (1) or similar thin, plastic tool to separate the left (2) and right edges of the hinge cover from the display assembly. Remove the hinge cover (3).
  • Page 45 To remove the display panel: The display panel is secured to the display enclosure with tape that is installed under the left and right sides of the panel. To remove the panel, use tweezers to grasp the end of the tape (1). While turning the tweezers, wrap the tape around the tweezers as you continue to pull the tape out from behind the display panel (2).
  • Page 46 Swing the top edge (3) of the display panel up and forward until the display panel cable is accessible. Release the adhesive support strip (1) that secures the display panel cable connector to the display panel. Disconnect the display panel cable (2) from the display panel. Remove the display panel (3).
  • Page 47 To remove the display back cover: Remove the two Phillips M2.0 × 2.5 screws (1) that secure the display bracket to the display back cover. Remove the display bracket (2) from the display back cover. The display bracket is available using spare part number L90417-001.
  • Page 48 Remove the six Phillips M2.5 × 3.0 broad head screws (4) that secure the display back cover to the display hinges. Release the display panel cable and the wireless antenna cable from the routing channel in the right display hinge area (1). Release the camera cable and the wireless antenna cable from the routing channel in the left display hinge area (2).
  • Page 49 Detach the camera module (1) from the display back cover. (The camera module is attached to the display back cover with double-sided adhesive.) Release the ZIF connector (2) to which the camera module cable is connected, and then disconnect the camera module cable from the camera module, and the remove the module. The camera module is available as spare part number L90439-001.
  • Page 50 To remove the display cable, peel the cable off the inside of the display back cover. Release the display panel cable from the retaining clips (1) built into the bottom edge of the display back cover. Remove the display panel cable (2). The display panel cable is available using spare part number M76003-001.
  • Page 51 Remove the four Phillips M2.5 × 4.7 screws that secure the display hinges to the bottom cover. Rock the left hinge (1) back and forth until it releases from the bottom cover. Remove the left hinge (2). Rock the right hinge (1) back and forth until it releases from the bottom cover. Chapter 5  Removal and replacement procedures for authorized service provider parts...
  • Page 52 Remove the right hinge (2). The hinges are available using spare part number M76003-001. To reassemble and replace the display assembly, reverse this procedure. Display assembly...

  • Page 53: 6  Backing Up, Resetting, And Recovering

    Backing up, resetting, and recovering This chapter provides information about the standard procedures of backing up your personal data, resetting your computer to original factory conditions, and recovering your operating system. 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 54: Option 1: Recovering Using An Internet Connection

    IMPORTANT: Recovery permanently erases everything on your computer hard drive, including your downloaded files. If possible, back up your files before you recover your computer. NOTE: For more information about performing a system recovery on your computer, go to http://www.support.google.com. Before you begin the recovery process, you need the following prerequisites: A USB flash drive or SD memory card with a capacity of 4 GB or greater.

  • Page 55: Recovering The Chrome Operating System With Recovery Media

    Select the Launcher icon, and then select All Apps. In the Apps window, select Recovery, and then select Get started. Follow the on-screen instructions to create the recovery media. NOTE: All data and partitions on your recovery media will be deleted. Do not remove the USB flash drive or SD memory card until the process is complete.
  • Page 56 After the recovery media is erased, select Done to close the Chromebook Recovery Utility, and then remove the USB flash drive or SD memory card. The media is ready to be formatted using a formatting tool provided by your operating system. Erasing and reformatting the recovery media...

  • Page 57: 7  Specifications

    Specifications This chapter provides specifications for your computer system. Computer specifications This section provides specifications for your computer. When traveling with your computer, the computer dimensions and weights, input power ratings, and operating specifications provide helpful information. Table 7-1 Computer specifications Metric U.S.

  • Page 58: 35.6 Cm (14.0 In) Display Specifications

    35.6 cm (14.0 in) display specifications This section provides specifications for your display. Table 7-2 Display specifications Metric U.S. Active diagonal size 35.6 cm 14.0 in Resolution 1366 × 768 (HD) Surface treatment Antiglare Brightness 250 nits Viewing angle Backlight WLED Display panel interface 35.6 cm (14.0 in) display specifications...

  • Page 59: 8  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 60 Table 8-1 Power cord requirements for specific countries and regions (continued) Country/region Accredited agency Applicable note number India Israel Italy Japan Netherlands KEMA New Zealand SANZ Norway NEMKO People's Republic of China Saudi Arabia SASO Singapore South Africa SABS South Korea Sweden SEMKO Switzerland...

  • Page 61: 9  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 62: Index

    14-16 caring for wood veneer 20 AC adapter and battery 4 guidelines disinfecting 19 battery 4 packaging 14, 20 HP Easy Clean 18 camera 6 transporting 14, 20 removing dirt and debris 18 workstation 14 components display 5...
  • Page 63 model name 1 product name and number, Chromebook Recovery computer 8 Utility 49 internet connection 49 recovery media 49 operating system, product description 2 recovery media creating 49 erase 50 top cover with keyboard recovery, performing 48 illustrated 11 packaging guidelines 14, 20 regulatory information removal 23 pointing device, product...

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