HP Chromebook 11a Maintenance And Service Manual
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HP Chromebook 11a 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 11a

  • 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 Chrome, Chrome OS, Chromebook, Google, and bound by the terms of the HP End User License To access the latest user guides, go to Google Drive are trademarks of Google LLC.
  • 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 Safety warning notice...

  • Page 5: Table Of Contents

    Table of contents 1 Product description ............................1 2 Components ..............................3 Right ..................................3 Left ..................................4 Display ..................................4 Keyboard area ................................ 5 Touchpad ............................. 5 Special keys ............................6 Bottom ................................... 7 Labels ..................................8 3 Illustrated parts catalog ..........................9 Computer major components ..........................
  • Page 6 Bottom cover ............................. 18 Battery ............................... 20 Touchpad ............................21 Speakers ............................23 USB board ............................23 Heat sink ............................24 System board ............................ 26 Display assembly ..........................28 Keyboard with top cover ........................35 6 Backing up, resetting, and recovering ......................36 Backing up ................................

  • Page 7: Product Description

    On-board embedded MultiMedia Controller (eMMC v5.0) configurations 64 GB 32 GB Audio and video HP Webcam - True Vision HD camera: indicator LED, USB 2.0, f2.0 Dual speakers B&O Audio 720p by 30 frames per second Dual microphone with appropriate software: echo cancellation, noise suppression Wireless Integrated Wireless option with dual antennas (M.2/PCIe)
  • Page 8 Table 1-1 Product components and their descriptions (continued) Category Description Multitouch gestures enabled Taps enabled as default Power requirements Battery 2 cell, 37 Whr, long life AC adapter 45 W, USB Type-C straight type, nPFC Power cord C5, 1 m Security H1 Secure Microcontroller Operating system...

  • Page 9: 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 10: Left

    Table 2-1 Right-side components and their descriptions (continued) Component Description Connects a USB device, provides data transfer, and (for select products) charges small devices when the computer is on or in Sleep mode. – and – Connects a display device that has a USB Type-C connector, providing DisplayPort™...

  • Page 11: Keyboard Area

    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 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 12: Special Keys

    Table 2-4 Touchpad component and description Component Description Touchpad zone Reads your finger gestures to move the pointer or activate items on the screen. Special keys Use the illustration and table to locate the special keys. Chapter 2 Components...

  • Page 13: Bottom

    Table 2-5 Special keys and their descriptions Component Description Activates certain computer functions when pressed in combination with other keys, such as or shift. Action keys Execute frequently used system functions. Power button When the computer is off, press the button briefly to turn ●...

  • Page 14: Labels

    Your service label information order may vary by country and might not include the wording "Model" due to the country regulation. Table 2-7 Service label components Component HP product name Model number Warranty period Product ID Serial number ●...

  • Page 15: 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 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 spare parts are available only as subcomponents. For spare part information, see Display assembly subcomponents on page Top cover with keyboard NOTE: For a detailed list of country codes, see...
  • Page 17 Table 3-2 Display component descriptions and part numbers Item Component Spare part number Display bezel Ash gray M15704-001 Indigo blue M15705-001 Snow white M15706-001 Camera module M15727-001 Display panel Nontouch M15719-001 Touch M15718-001 Display hinges (right and left) M15712-001 Camera cable M15709-001 Display cable Nontouch...

  • Page 18: Cables

    Cables To identify the cables, use this illustration and table. Table 3-3 Cable descriptions and part numbers Item Component Spare part number Touchpad cable M15710-001 Display/camera cable Touch M15707-001 Nontouch M15708-001 USB board cable M15711-001 Camera cable M15709-001 Miscellaneous parts To identify the miscellaneous parts, use this table.

  • Page 19: 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: Nonconductive, nonmarking pry tool ● Magnetic Phillips P1 screwdriver ●...

  • Page 20: Workstation Guidelines

    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 21: Generating Static Electricity

    IMPORTANT: To prevent damage to the device when you remove or install internal components, observe these precautions: Keep components in their electrostatic-safe containers until you are ready to install them. Before touching an electronic component, discharge static electricity by using the guidelines described Personal grounding methods and equipment on page Avoid touching pins, leads, and circuitry.

  • Page 22: Personal Grounding Methods And Equipment

    ● foam. Use field service tools, such as cutters, screwdrivers, and vacuums, that are conductive. ● Recommended materials and equipment HP recommends certain materials and equipment to prevent static electricity. ● Antistatic tape ● Antistatic smocks, aprons, or sleeve protectors Conductive bins and other assembly or soldering aids ●...

  • Page 23: Packaging And Transporting Guidelines

    Static-dissipative table or floor mats with hard tie to ground ● ● Field service kits ● Static awareness labels ● Wrist straps and footwear straps providing 1 MΩ ±10% resistance ● Material handling packages ● Conductive plastic bags ● Conductive plastic tubes Conductive tote boxes ●...

  • Page 24: 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 45 screws when you service the parts described in this chapter.
  • Page 25 Before removing the bottom cover, prepare the computer for disassembly (Preparation for disassembly on page 18). Remove the bottom cover: Peel the two rubber feet off the bottom of the computer (1). Remove the seven Phillips M2.5 × 5.0 screws (2) that secure the bottom cover to the computer. Starting between the hinges, release the edges of the bottom cover from the computer (1).

  • Page 26: Battery

    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 27: Touchpad

    Remove the battery from the computer (3). To install the battery, reverse the removal procedures. Touchpad To remove the touchpad, use this procedure and illustration. Table 5-3 Touchpad description and part number Description Spare part number Touchpad, ash gray M15713-001 Touchpad, indigo blue M15714-001 Touchpad, snow white...
  • Page 28 Remove the touchpad bracket (3). Disconnect the cable from the ZIF connector on the touchpad (1). Remove the protective tape that covers the screw on the corner of the touchpad (2). Remove the three Phillips M2.0 × 2.0 screws (3) that secure the touchpad to the computer. Remove the touchpad (4) from the computer.

  • Page 29: Speakers

    Speakers To remove the speakers, use this procedure and illustration. Table 5-4 Speaker description and part number Description Spare part number Speaker Kit M15724-001 Before removing the speakers, follow these steps: Prepare the computer for disassembly (Preparation for disassembly on page 18).

  • Page 30: Heat Sink

    Before removing the USB board, follow these steps: Prepare the computer for disassembly (Preparation for disassembly on page 18). Remove the bottom cover (Bottom cover on page 18). Disconnect the battery cable from the system board (Battery on page 20). Remove the USB board: Disconnect the cables from the ZIF connector on the USB board (1).
  • Page 31 Remove the two Phillips M2.0 × 3.0 screws (1) that secure the heat sink to the system board. Remove heat sink (2). Thoroughly clean the thermal material from the surfaces of the heat sink and the system board components each time the heat sink is removed. Thermal paste is used on the system board (1) and on the heat sink component that services it (2).

  • Page 32: System Board

    System board To remove the system board, use these procedures and illustrations. Table 5-7 System board descriptions and part numbers Description Spare part number System board (includes integrated Mediatek MT8183 processor, 4 GB of system memory, and eMMC memory) 32 GB eMMC memory M15725-001 64 GB eMMC memory M15726-001...
  • Page 33 Remove the four Phillips M2.0 × 2.0 screws (1) that secure the system board to the computer. Remove the two Phillips M2.0 × 2.0 screws (2) that secure the USB bracket to the system board. Remove the USB bracket from the system board (3). Remove the system board (4) from the computer.

  • Page 34: Display Assembly

    Display assembly To remove and disassemble the display assembly, use these procedures and illustrations. NOTE: Full hinge-up displays are not available as spare parts. Spare parts for displays are available only at the subcomponent level. Before removing the display panel, follow these steps: Prepare the computer for disassembly (Preparation for disassembly on page 18).
  • Page 35 Open the computer (2), and then separate the display from the computer (3). If you need to replace display assembly subcomponents: Use a flat, nonmarking tool (1) to release the top edge (2) of the display bezel from the display assembly.
  • Page 36 If you need to remove the display panel: Remove the four Phillips M2.0 × 3.0 screws (1) that secure the display panel to the display rear cover. Lift the top edge of the display panel and swing it up and forward until it rests upside down next to the display rear cover (2).
  • Page 37 Disconnect the display panel cable (2) from the display panel. Remove the display panel (3). Display panels are available as the following spare part numbers: M15719-001: Nontouch panel M15718-001: Touch panel If you need to remove the hinges from the display rear cover: Remove the six Phillips M2.6 ×...
  • Page 38 Use the following illustration to determine proper cable routing around the left (1) and right (2) hinges of the display. Chapter 5 Removal and replacement procedures for authorized service provider parts...
  • Page 39 If you need to remove the camera module: Release the camera cable from the adhesive that secures it to the inside of the display rear cover (1). Use a tool to release the camera module from the display rear cover (2), and then disconnect the cable from the camera module.
  • Page 40 If you need to remove the display cable, remove the cable from the clips along the bottom of the display rear cover (1), and then remove the cable (2). Display cables are available as the following spare part numbers: M15707-001: Touch panel M15708-001: Nontouch panel If you need to remove the antennas from the display rear cover: Remove the antenna cables from the clips along the left side of the display rear cover (1).

  • Page 41: Keyboard With Top Cover

    Reverse this procedure to reassemble and replace the display assembly. Keyboard with top cover The top cover with keyboard remains after removing all other spare parts from the computer. In this section, the first table provides the main spare part number for the top cover/keyboards. The second table provides the country codes.

  • Page 42: Backing Up, Resetting, And Recovering

    Backing up, resetting, and recovering This chapter provides information on the standard procedures of backing up your personal data, resetting your computer to original factory conditions, and recovering your operating system with the Chromebook Recovery Utility. 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 Resetting...

  • Page 43: Installing The Chromebook Recovery Utility

    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. All data is erased from this ●...

  • Page 44: Setting Up Your Computer After A Reset Or Recovery

    NOTE: If you need to cancel the recovery during the verification process, press and hold the power button until the computer turns off. Do not disrupt the system recovery process after the verification step is complete. NOTE: If an error message is displayed, you might need to run the Chrome Recovery Utility again or use a different USB flash drive or SD memory card.

  • Page 45: Specifications

    Specifications This chapter provides specifications for your computer. Computer specifications This section provides specifications for your computer. When traveling 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 U.S.
  • Page 46 Table 7-2 Display specifications (continued) Metric U.S. Resolution 1366 × 768 (HD) Surface treatment Antiglare Brightness 220 nits Viewing angle SVA (nontouch) UWVA (touch) Backlight WLED Display panel interface Chapter 7 Specifications...

  • Page 47: 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 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 48 Table 8-1 Power cord requirements for specific countries and regions (continued) Country/region Accredited agency Applicable note number India Israel Italy Japan The Netherlands KEMA New Zealand SANZ Norway NEMKO The People's Republic of China Saudi Arabia SASO Singapore South Africa SABS South Korea Sweden...

  • Page 49: 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 50: Index

    Index display bezel AC adapter, spare part numbers 12 illustrated 10 labels action keys spare part number 10 Bluetooth 8 identifying 6 display cable regulatory 8 illustrated 10 serial number 8 spare part number 10, 12 service 8 backing up 36 display panel wireless certification 8 battery...
  • Page 51 serial number, computer 8 wireless certification label 8 service labels, locating 8 WLAN device 8 spare part country codes 35 WLAN label 8 speaker WLAN module illustrated 9 illustrated 9 removal 23 spare part number 9 spare part number 9 workstation guidelines 13, 14 spare part numbers 23 specifications...

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