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, and Chromebook are trademarks of of the HP End User License Agreement (EULA). If To access the latest user guides, go to Google LLC. vPro is a trademark of Intel 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: Table Of Contents

    Grounding the work area................................15 Recommended materials and equipment..........................15 Cleaning your computer ..................................16 Enabling HP Easy Clean (select products only)........................16 Removing dirt and debris from your computer........................16 Cleaning your computer with a disinfectant .......................... 17 Caring for wood veneer (select products only)........................18 Packaging and transporting guidelines ............................
  • Page 5 Preparation for disassembly ..............................21 Bottom cover....................................21 Battery ......................................23 Speakers ...................................... 23 System board ....................................24 Heat sink ...................................... 26 Display assembly..................................27 Touchpad cable ................................... 33 Touchpad ..................................... 34 Connector board cable................................36 Connector board ..................................36 6 Specifications......................................

  • Page 6: Product Description

    Integrated wireless local area network (WLAN) Qualcomm® Atheros™ ac 2×2 + Bluetooth® 4.2 MU-MIMO non-vPro® WW with 2 antenna Media card reader HP MultiFormat microSD media card reader supporting microSD™, SDHC™, SDXC™ Push-push insertion/removal Ports Hot plug/unplug and autodetect for correct output to wide-aspect vs. standard aspect video Audio-out (headphone)/audio-in (microphone) combo jack USB®...
  • Page 7 Taps enabled as default Power requirements 2 cell, 37 Whr, polymer, HP Long Life battery 45-W AC adapter (non-Power Factor Correction (nPFC), standard USB Type-C®, straight, 1.8 m [6.0 ft]) C5, 1.0 m (3.3 ft), conventional with sticker power cord...

  • Page 8: 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

    Use the illustration and table to identify the components on the left side of the computer. Table 2-2 Left-side components and their descriptions Component Description USB port with HP Sleep and Charge Connects a USB device, provides high-speed data transfer, and charges small devices (such as a smartphone), even when the computer is off. NOTE:...

  • Page 10: Special Keys

    Table 2-3 Display components and their descriptions Component Description WLAN antennas* Send and receive wireless signals to communicate with 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 11 Table 2-4 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 button briefly to turn on ●...

  • Page 12: 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 13 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 in ash gray finish For use in the United Kingdom...

  • Page 14: Display Assembly Subcomponents

    Table 3-1 Computer major component descriptions and part numbers (continued) Item Component Spare part number (3b) Connector board cable M97112-001 (3c) I/O bracket (not available as a spare part component) System board: includes an integrated Mediatek Arm Cortex-A MT8183 2.0 GHz processor (8 cores), 4GB of system memory, a graphics subsystem with UMA memory, the Google Chrome operating system, and replacement thermal material.
  • Page 15 Table 3-2 Display component descriptions and part numbers Item Component Spare part number Display bezel in jet black finish M86241-001 Display panel: 29.5 cm (11.6 in), LCD, HD (1366×768), antiglare, WLED, UWVA, 50% CG, eDP 1.2 without PSR, M15718-001 touchscreen display panel; typical brightness: 220 nits 29.5 cm (11.6 in), LCD, HD (1366×768), antiglare, WLED, SVA, 45% CG, eDP, non-touchscreen display M15719-001 panel;...

  • Page 16: Miscellaneous Parts

    Table 3-2 Display component descriptions and part numbers (continued) Item Component Spare part number For use only on computer models equipped with a non-touchscreen display assembly M86243-001 Webcam/microphone module (includes double-sided adhesive) M15727-001 Webcam/microphone module cable M15709-001 Wireless antenna cables and transceivers M15696-001 Display back cover in ash gray finish (includes wireless antenna cables and transceivers) M86239-001...

  • Page 17: 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 Service considerations The following sections include some of the considerations that you must keep in mind during disassembly and assembly procedures.

  • Page 18: Electrostatic Discharge Information

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

  • Page 20: 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 21: 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 22: 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 23: 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. Chapter 4 Removal and replacement procedures preliminary requirements...
  • Page 24 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 25 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. Chapter 4 Removal and replacement procedures preliminary requirements...

  • Page 26: 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 47 screws when you service the parts described in this chapter.
  • Page 27 Before removing the bottom cover, prepare the computer for disassembly (see Preparation for disassembly on page 21). Remove the bottom cover: Remove the front (1) and rear rubber foot strips. The rubber foot strips are available in the Rubber Feet Kit, spare part number M97114-001. Remove the seven Phillips M2.0 ×...

  • Page 28: Battery

    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, 37 Whr, 4.96 Ahr, includes cable) L97355-005 Before removing the battery, follow these steps: Prepare the computer for disassembly (see Preparation for disassembly on page...

  • Page 29: System Board

    Remove the bottom cover (see Bottom cover on page 21). Disconnect the battery cable from the system board (see Battery on page 23). Remove the speakers: Disconnect the speaker cable (1) from the system board. Release the tape that secures the speaker cable (2) to the touchpad bracket. Remove the four Phillips M2.0 ×...
  • Page 30 Remove the system board: Release the adhesive support tape that secures the display panel cable (1) to the system board. Disconnect the display panel cable (2) from the system board. Remove the WLAN module shield (3) from the integrated WLAN module. Carefully disconnect the two wireless antenna cables (4) from the integrated WLAN module.

  • Page 31: Heat Sink

    Remove the system board (3). Reverse this procedure to install the system board. Heat sink To remove the heat sink, use these procedures and illustrations. Table 5-5 Heat sink descriptions and part numbers Description Spare part number Heat sink (includes replacement thermal material) M15731-001 Before removing the heat sink, follow these steps: Prepare the computer for disassembly (see...

  • Page 32: Display Assembly

    Remove the heat sink (2) from the system board. Thoroughly clean the thermal material from the surfaces of the heat sink and the system board components each time the heat sink is removed. Replacement thermal material is included with the heat sink and system board spare part kits.
  • Page 33 Before removing the display panel, follow these steps: Prepare the computer for disassembly (see Preparation for disassembly on page 21). Remove the bottom cover (see Bottom cover on page 21). Disconnect the battery cable from the system board (see Battery on page 23).
  • Page 34 Remove the four Phillips M2.5 × 5.7 screws that secure the display assembly to the computer. Swing the display hinges (1) up and back as far as they will go. Swing the front edge of the computer (2) up and back. Separate the computer (3) from the display assembly by sliding it up and forward at an angle.
  • Page 35 The display bezel is available using spare part number M86241-001. If you need to remove the display panel: Remove the display bezel. Remove the four Phillips M2.0 × 3.0 screws (1) that secure the display panel to the display back cover. Lift the top edge of the display panel (2) and swing it up and forward until the display panel cable connector is accessible.
  • Page 36 brightness: 220 nits) and M15719-001 (29.5 cm (11.6 in), LCD, HD (1366×768), antiglare, WLED, SVA, 45% CG, eDP, non-touchscreen display panel; typical brightness: 220 nits). If you need to remove the display panel cable: Remove the display bezel. Remove the display panel. Release the display panel cable from the retention clips (1) built into the display back cover.
  • Page 37 If you need to remove the webcam/microphone module and cable: Remove the display bezel. Remove the display panel. Remove the hinges. Release the webcam/microphone module cable (1) from the display back cover. (The webcam/ microphone module cable is attached to the display back cover with double-sided adhesive.) Release the grounding tape (2) that secures the webcam/microphone module cable to the display back cover.

  • Page 38: Touchpad Cable

    Release the ZIF connector (1) to which the webcam/microphone module cable is connected, and then disconnect the webcam/microphone module cable (2) from the webcam/microphone module. The webcam/microphone module is available using spare part number M15727-001. The webcam/ microphone module cable is available using spare part number M15709-001. If you need to remove the wireless antenna: Release the wireless antenna cables from the retention clips (1) and routing channels built into the top, left, and bottom edges of the display back cover.

  • Page 39: Touchpad

    Table 5-6 Touchpad cable description and part number Description Spare part number Touchpad cable M97111-001 Before removing the touchpad cable, follow these steps: Prepare the computer for disassembly (see Preparation for disassembly on page 21). Remove the bottom cover (see Bottom cover on page 21).
  • Page 40 Table 5-7 Touchpad description and part number Description Spare part number Touchpad M97113-001 NOTE: The touchpad spare part kit does not include the touchpad bracket rubber or the touchpad cable. The touchpad bracket rubber is available using spare part number M16563-001. The touchpad cable is available using spare part number M97111-001.

  • Page 41: Connector Board Cable

    Reverse this procedure to install the touchpad. Connector board cable To remove the connector board cable, use this procedure and illustration. Table 5-8 Connector board cable description and part number Description Spare part number Connector board cable M97112-001 Before removing the connector board cable, follow these steps: Prepare the computer for disassembly (see Preparation for disassembly on page 21).
  • Page 42 Table 5-9 Connector board description and part number Description Spare part number Connector board (includes USB connector) M15716-001 NOTE: The connector board spare part kit does not include the connector board cable. The connector board cable is available as spare part number M97112-001. Before removing the connector board, follow these steps: Prepare the computer for disassembly (see Preparation for disassembly on page...

  • Page 43: 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 6-1 Computer specifications Metric...

  • Page 44: 29.6 Cm (11.6 In) Display Specifications

    Table 6-1 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. 29.6 cm (11.6 in) display specifications This section provides specifications for your display. Table 6-2 Display specifications Metric...

  • Page 45: 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 46 Table 7-1 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 47 Table 7-1 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 48: 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 49: Index

    16 esc 5 caring for wood veneer 18 disinfecting 17 electrostatic discharge (ESD) 12, 13 HP Easy Clean 16 preventing damage 12-14 lights removing dirt and debris 16 esc key, identifying 5 AC adapter 3 components...
  • Page 50 12, 18 description 1 video 1 memory wireless 1 product description 1 product name 1 USB port with HP Sleep and Charge, microphone identifying 4 product description 1 USB Type-C power connector and microphone (audio-in) jack 4 removal and replacement...

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