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HP 14s Maintenance And Service Manual
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HP 14s Maintenance And Service Manual

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Maintenance and Service Guide
HP 14s Laptop PC
IMPORTANT! This document is intended for HP authorized service
providers only.

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Summary of Contents for HP 14s

  • Page 1 Maintenance and Service Guide HP 14s Laptop PC IMPORTANT! This document is intended for HP authorized service providers only.
  • Page 2 Intel, Core, and XMM are trademarks of Intel bound by the terms of the HP End User License Not all features are available in all editions or Corporation or its subsidiaries in the U.S.
  • 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 Getting to know your computer ........................4 Right side ................................4 Left side ................................. 5 Display ..................................6 Keyboard area ................................ 7 Touchpad ............................. 7 Touchpad settings ......................7 Lights ..............................8 Button, speakers, and vent .........................
  • Page 6 Using HP PC Hardware Diagnostics UEFI ......................57 Starting HP PC Hardware Diagnostics UEFI ..................58 Downloading HP PC Hardware Diagnostics UEFI to a USB flash drive ..........58 Downloading the latest HP PC Hardware Diagnostics UEFI version ......58 Downloading HP PC Hardware Diagnostics UEFI by product name or number (select products only) .....................
  • Page 7 Backing up information and creating recovery media ..................61 Using Windows tools ......................... 61 Using the HP Cloud Recovery Download Tool to create recovery media (select products only) ..61 Restoring and recovery ............................62 Restoring, resetting, and refreshing using Windows tools .............. 62 Recovering using HP Recovery media ....................
  • Page 8 viii...

  • Page 9: Product Description

    Audio Audio application name HP Audio Center Dual speakers Video HP TrueVision HD Camera - indicator LED, USB 2.0, HD BSI sensor, f2.0 720p by 30 frames per second Single digital microphone Wireless networking Integrated wireless option with dual antennas (M.2/PCIe)
  • Page 10 Supports HSPA+/LTE/GPS/A-GPS Supports eSIM (MFF2) (physical eSIM only) Ports HP Smart Pin AC adapter Audio-out (headphone)/Audio-in (microphone) combo jack High-definition multimedia interface (HDMI) v.1.4 supporting up to 1920 × 1080 at 60 Hz Hot plug/unplug and autodetect for correct output to wide-aspect vs. standard aspect video (auto adjust panel resolution to fit embedded panel and external monitor connected) (2) USB 3.1 Type A ports...
  • Page 11 Table 1-1 Product components and their descriptions (continued) Category Description Operating system Preinstalled Windows® 10 Home 64 Plus Single Language India Market Windows 10 Home 64 Single Language India Market FreeDOS 3.0 Serviceability User replaceable part AC adapter...

  • Page 12: Getting To Know Your Computer

    To reduce the risk of personal injury, adjust the volume before putting on headphones, earbuds, or a headset. For additional safety information, see the Regulatory, Safety, and Environmental Notices. To access this guide: Type HP Documentation in the taskbar search box, and then select ▲ HP Documentation. NOTE: When a device is connected to the jack, the computer speakers are disabled.

  • Page 13: Left Side

    Table 2-1 Right-side components and their descriptions (continued) Component Description Off: The battery is not charging. ● Power connector Connects an AC adapter. Left side Table 2-2 Left-side components and their descriptions Component Description Security cable slot Attaches an optional security cable to the computer. NOTE: The security cable is designed to act as a deterrent, but it might not prevent the computer from being mishandled or stolen.

  • Page 14: Display

    For wireless regulatory notices, see the section of the Regulatory, Safety, and Environmental Notices that applies to your country or region. To access this guide: Type HP Documentation in the taskbar search box, and then select HP Documentation. ▲ Chapter 2 Getting to know your computer...

  • Page 15: Keyboard Area

    Keyboard area NOTE: Keyboards can vary by language. Touchpad Touchpad settings To adjust touchpad settings and gestures, or to turn off the touchpad: Type touchpad settings in the taskbar search box, and then press enter. Choose a setting. To turn on the touchpad: Type touchpad settings in the taskbar search box, and then press enter.

  • Page 16: Lights

    Lights Table 2-5 Lights and their descriptions Component Description Caps lock light On: Caps lock is on, which switches the key input to all capital letters. Mute light On: Computer sound is off. ● Off: Computer sound is on. ● Chapter 2 Getting to know your computer...

  • Page 17: Button, Speakers, And Vent

    Button, speakers, and vent Table 2-6 Button, speakers, and vent Component Description Power button When the computer is off, press the button to turn on the ● computer. When the computer is on, press the button briefly to ● initiate Sleep. When the computer is in the Sleep state, press the button ●...

  • Page 18: Special Keys

    Special keys Table 2-7 Special keys and their descriptions Component Description Displays system information when pressed in combination with key. Executes specific functions when pressed in combination with another key. Windows key Opens the Start menu. NOTE: Pressing the Windows key again closes the Start menu. Action keys Execute frequently used system functions.

  • Page 19: Bottom

    Bottom Table 2-8 Bottom components and their descriptions Component Description Vent Enables airflow to cool internal components. NOTE: The computer fan starts up automatically to cool internal components and prevent overheating. It is normal for the internal fan to cycle on and off during routine operation. Bottom...

  • Page 20: Labels

    Locate this information before you contact support. Table 2-9 Service label components Component HP product name Product ID Serial number Warranty period Regulatory label(s)—Provide(s) regulatory information about the computer.

  • Page 21: Illustrated Parts Catalog

    Computer major components 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 22 Table 3-1 Computer major components and their descriptions Item Component Spare part number Display assembly NOTE: Display assemblies are offered as spare parts only at a subcomponent level. Keyboard/top cover (includes touchpad and touchpad protective tape) No backlight L96982-001 Backlit L96983-001 Touchpad board cable L23184-001...

  • Page 23: Display Assembly Subcomponents

    Table 3-1 Computer major components and their descriptions (continued) Item Component Spare part number (20) Bottom cover L96975-001 (21) Rubber feet L96981-001 Display assembly subcomponents Table 3-2 Display components and their descriptions Item Component Spare part number Hinge cover L96980-001 Display bezel L96976-001 Display panel (includes stretchable adhesive)

  • Page 24: Miscellaneous Parts

    Table 3-2 Display components and their descriptions (continued) Item Component Spare part number Webcam/microphone module L23237-001 Wireless antennas (includes stretchable adhesive) WLAN antennas L96970-001 (7) (8) WLAN + WWAN antennas L96972-001 Display back cover L96974-001 Miscellaneous parts Table 3-3 Miscellaneous parts and their descriptions Component Spare part number AC adapter (65 W, PFC, slim, 4.5 mm)

  • Page 25: Removal And Replacement Procedures Preliminary Requirements

    Removal and replacement procedures preliminary requirements Tools required You need the following tools to complete the removal and replacement procedures: Nonmarking, nonconductive pry tool ● Magnetic Phillips P1 screwdriver ● Tweezers ● Service considerations The following sections include some of the considerations that you must keep in mind during disassembly and assembly procedures.

  • Page 26: 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 the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system.

  • Page 27: Generating Static Electricity

    IMPORTANT: To prevent damage to the device when you are removing or installing 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 in this section.

  • Page 28: Personal Grounding Methods And Equipment

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

  • Page 29: 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 30: Removal And Replacement Procedures For Authorized Service Provider Parts

    Accessing these parts can damage the computer or void the warranty. 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. Component replacement procedures There are as many as 52 screws that must be removed, replaced, or loosened when servicing the computer.

  • Page 31: Bottom Cover

    Bottom cover Table 5-1 Bottom cover descriptions and part numbers Description Spare part number Bottom cover L96975-001 Rubber feet L96981-001 SIM tray L98514-001 Before removing the bottom cover, follow this step: ▲ Prepare the computer for disassembly (Preparation for disassembly on page 22).
  • Page 32 Remove the two Phillips M2.5 × 4.0 screws (3) from the bottom cover. Insert a plastic tool between the bottom cover and the computer chassis (1), and then flex and lift the bottom of the bottom cover enough to separate it from the computer (2). Reverse this procedure to install the bottom cover.

  • Page 33: Battery

    Battery Table 5-2 Battery description and part number Description Spare part number Battery, 3 cell, 41 Whr L11119-855 Before removing the battery, follow these steps: Prepare the computer for disassembly (Preparation for disassembly on page 22). Remove the bottom cover (see Bottom cover on page 23).

  • Page 34: Memory Module

    Memory module Table 5-3 Memory descriptions and part numbers Description Spare part number Memory module, 8 GB 937236-855 Memory module, 4 GB L10598-855 Before removing the memory modules, follow these steps: Prepare the computer for disassembly (Preparation for disassembly on page 22).
  • Page 35 Gently press down on the module edges until the side retention clips snap into place (3). Component replacement procedures...

  • Page 36: Solid-State Drive

    Solid-state drive Table 5-4 Solid-state drive descriptions and part numbers Description Spare part number 256 GB, PCIe, TLC L85354-005 Solid-state drive board L24487-001 Before removing the solid-state drive, follow these steps: Prepare the computer for disassembly (Preparation for disassembly on page 22).

  • Page 37: Hard Drive

    Hard drive NOTE: The hard drive spare part kit does not include the hard drive cover or connector. Description Spare part number Hard drive, 1 TB, 5400 rpm, 7 mm 762990-005 Hard drive cable L23187-001 Hard drive cover L24490-001 Before removing the hard drive, follow these steps: Prepare the computer for disassembly (Preparation for disassembly on page 22).
  • Page 38 To remove the hard drive connector, pull the connector (3) away from the hard drive. Reverse this procedure to reassemble and install the hard drive. Chapter 5 Removal and replacement procedures for authorized service provider parts...

  • Page 39: Wlan Module

    WLAN module Table 5-5 WLAN module description and part number Description Spare part number Realtek RTL8822CE 802.11ac 2 × 2 Wi-Fi + Bluetooth 5.0 L44796-005 Intel Wi-Fi 6 AX201 + Bluetooth 5 (non-vPro) (802.11ax 2 × 2) L57250-005 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 40 NOTE: If the WLAN antenna is not connected to the terminal on the WLAN module, a protective sleeve must be installed on the antenna connector, as shown in the following illustration. Reverse this procedure to install the WLAN module. Chapter 5 Removal and replacement procedures for authorized service provider parts...

  • Page 41: Wwan Module

    WWAN module Table 5-6 WLAN module description and part number Description Spare part number Intel XMM 7360 LTE-Advanced (CAT 9) L70670-005 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 42 Remove the WWAN module (3) by pulling the module away from the slot at an angle. NOTE: If the WWAN antenna is not connected to the terminal on the WWAN module, a protective sleeve must be installed on the antenna connector, as shown in the following illustration. Reverse this procedure to install the WWAN module.

  • Page 43: Usb, Card Reader, And Power Button Board

    USB, card reader, and power button board Table 5-7 USB, card reader, and power button board description and part number Description Spare part number USB, card reader, and power button board M05045-001 NOTE: The USB, card reader, and power button board spare part kit does not include the cable. The cable is available as spare part number L23186-001.

  • Page 44: Speaker Assembly

    Speaker assembly Table 5-8 Speaker assembly description and part number Description Spare part number Speaker assembly L24489-001 Before removing the speaker assembly, follow these steps: Prepare the computer for disassembly (Preparation for disassembly on page 22). Remove the bottom cover (see Bottom cover on page 23).

  • Page 45: Power Connector

    Power connector Table 5-9 Power connector description and part number Description Spare part number Power connector L23188-001 Before removing the power connector cable, follow these steps: Prepare the computer for disassembly (Preparation for disassembly on page 22). Remove the bottom cover (see Bottom cover on page 23).
  • Page 46 Remove the cable from the computer (2). Reverse this procedure to install the power connector cable. Chapter 5 Removal and replacement procedures for authorized service provider parts...

  • Page 47: Touchpad Click Board

    Touchpad click board Table 5-10 Touchpad click board description and part number Description Spare part number Touchpad click board M05046-001 NOTE: The touchpad click board spare part kit does not include the cable. The cable is available as spare part number L24485-001. Before removing the touchpad click board, follow these steps: Prepare the computer for disassembly (Preparation for disassembly on page...

  • Page 48: Touchpad

    Touchpad Table 5-11 Touchpad description and part number Description Spare part number Touchpad (includes gasket) L24484-001 NOTE: The touchpad spare part kit does not include the cable. The cable is available as spare part number L23184-001. Before removing the touchpad, follow these steps: Prepare the computer for disassembly (Preparation for disassembly on page 22).

  • Page 49: Fan

    Table 5-12 Fan description and part number Description Spare part number L23189-001 Before removing the fan, follow these steps: Prepare the computer for disassembly (Preparation for disassembly on page 22). Remove the bottom cover (see Bottom cover on page 23). Remove the battery (see Battery on page 25).

  • Page 50: Heat Sink (Thermal Module)

    Heat sink (thermal module) Table 5-13 Heat sink assembly description and part number Description Spare part number Heat sink L96978-001 Before removing the heat sink, follow these steps: Prepare the computer for disassembly (Preparation for disassembly on page 22). Remove the bottom cover (see Bottom cover on page 23).
  • Page 51 Apply thermal grease to the integrated processor on the system board (1) and associated location on the heat sink (2). Reverse this procedure to install the heat sink. Component replacement procedures...

  • Page 52: System Board

    System board Table 5-14 System board descriptions and part numbers Description Spare part number Intel Core i5-1035G1 processor for use in models with a non-Windows operating system L96985-001 Intel Core i5-1035G1 processor for use in models with a Windows operating system L96985-601 Intel Core i3-1005G1 processor for use in models with a non-Windows operating system L96984-001...
  • Page 53 Remove the Phillips M2.0 × 3.5 screw (1) and the three Phillips M2.0 × 2.0 screws (2) that secure the system board to the computer. Remove the system board from the computer (3). Reverse this procedure to install the system board. Component replacement procedures...

  • Page 54: Display Assembly

    Display assembly NOTE: Display assemblies are offered as spare parts only at a subcomponent level. Before removing the display assembly, follow these steps: Prepare the computer for disassembly (Preparation for disassembly on page 22). Remove the bottom cover (see Bottom cover on page 23).
  • Page 55 Separate the display from the computer (3). If it is necessary to replace display assembly subcomponents: Remove the hinge cover by lifting it off the display. The hinge cover is available as spare part number L96980-001. Component replacement procedures...
  • Page 56 Release the top edge of the display bezel (1) from the display assembly. IMPORTANT: When removing the bezel, be careful not to bend or break the narrow sections of the bezel. Flex the inside of the top edge (1), left and right sides (2), and the inside of the bottom edge (3) of the display bezel until the bezel disengages from the display enclosure.
  • Page 57 Disconnect the cable (2) from the module. The webcam is available as spare part number L23237-001. If it is necessary to remove the display panel: Use tweezers to grasp the tape that routes behind both the left and right sides of the display panel (1).
  • Page 58 Lift the top of the panel (4). Rotate the display panel over and place next to the display back cover (1). Lift the tape and locking lever from the connector on the rear of the panel (2), and then disconnect the cable from the panel (3).
  • Page 59 If it is necessary to remove the display hinges: Remove the three Phillips M2.5 × 2.5 screws (1) from the bottom of each hinge. Rotate the hinges upward (2). Remove the display hinges from the display back cover (3). The display hinges are available as spare part number L96979-001. If it is necessary to remove the display panel cable: Peel the cable off the inside of the display back cover (1), and then remove the cable (2).
  • Page 60 Remove the antenna cables from under the tape and hinges on the bottom (2) and from the clips on the sides (3) of the display back cover. The WLAN antennas are available as spare part number L96970-001. If it is necessary to remove the WWAN antennas: Peel the antennas off the top of the display back cover (1).

  • Page 61: Top Cover/Keyboard

    Top cover/keyboard The top cover with keyboard remains after removing all other spare parts from the computer. Table 5-15 Top cover/keyboard description and part number Description Spare part number Top cover/keyboard; no backlight L96982-001 Top cover/keyboard; backlit L96983-001 Component replacement procedures...

  • Page 62: Using Setup Utility (Bios)

    To reveal the BIOS version information (also known as ROM date and System BIOS), use one of these options. HP Support Assistant ● Type support in the taskbar search box, and then select the HP Support Assistant app. – or – Select the question mark icon in the taskbar.

  • Page 63: Downloading A Bios Update

    If your computer is connected to a network, consult the network administrator before installing any software updates, especially system BIOS updates. Type support in the taskbar search box, and then select the HP Support Assistant app. – or – Select the question mark icon in the taskbar.

  • Page 64: Using Hp Pc Hardware Diagnostics

    The tool runs within the Windows operating system to diagnose hardware failures. If HP PC Hardware Diagnostics Windows is not installed on your computer, first you must download and install it. To download HP PC Hardware Diagnostics Windows, see...

  • Page 65: Downloading The Latest Hp Pc Hardware Diagnostics Windows Version

    To download HP PC Hardware Diagnostics Windows, follow these steps: Go to http://www.hp.com/go/techcenter/pcdiags. The HP PC Diagnostics home page is displayed. Select Download HP Diagnostics Windows, and then select a location on your computer or a USB flash drive. The tool downloads to the selected location.

  • Page 66: Starting Hp Pc Hardware Diagnostics Uefi

    If your PC does not start in Windows, you can use HP PC Hardware Diagnostics UEFI to diagnose hardware issues. When HP PC Hardware Diagnostics UEFI detects a failure that requires hardware replacement, a 24-digit Failure ID code is generated. For assistance in solving the problem: ▲...

  • Page 67: Downloading Hp Pc Hardware Diagnostics Uefi By Product Name Or Number (Select Products Only)

    For some products, you might have to download the software to a USB flash drive by using the product name or number. To download HP PC Hardware Diagnostics UEFI by product name or number (select products only) to a USB flash drive: Go to http://www.hp.com/support.
  • Page 68 Set the location for downloading the diagnostic tools. This feature provides access to the tools from the ● HP website or from a server that has been preconfigured for use. Your computer does not require the traditional local storage (such as a hard drive or USB flash drive) to run remote diagnostics.

  • Page 69: Backing Up, Restoring, And Recovering

    Using the HP Cloud Recovery Download Tool to create recovery media (select products only) You can use the HP Cloud Recovery Download Tool to create HP Recovery media on a bootable USB flash drive. For details: Go to http://www.hp.com/support, search for HP Cloud Recovery, and then select the result that ▲...

  • Page 70: Restoring And Recovery

    You can use HP Recovery media to recover the original operating system and software programs that were installed at the factory. On select products, it can be created on a bootable USB flash drive using the HP Cloud Recovery Download Tool. For details, see...

  • Page 71: Using Hp Sure Recover (Select Products Only)

    Using HP Sure Recover (select products only) Select computer models are configured with HP Sure Recover, a PC OS recovery solution built into the hardware and firmware. HP Sure Recover can fully restore the HP OS image without installed recovery software.

  • Page 72: Specifications

    Specifications Computer specifications Table 9-1 Computer specifications Metric U.S. Computer dimensions Width 324.0 mm 12.8 in Depth 225.0 mm 8.9 in Height 19.9 mm 0.8 in Weight (lowest configuration) 1520.0 g 3.35 lbs Input power Operating voltage and current 18.5 V dc @ 3.5 A – 65 W Temperature Operating 5°C to 35°C...

  • Page 73: 35.6 Cm (14.0 In) Display Specifications

    35.6 cm (14.0 in) display specifications Table 9-2 Display specifications Metric U.S. Active diagonal size 35.6 cm 14.0 in Resolution 1920 × 1080 Surface treatment BrightView Brightness 250 nits Viewing angle UWVA Backlight Aspect ratio 16:9 Display panel interface 35.6 cm (14.0 in) display specifications...

  • Page 74: M.2 Pcie Solid-State Drive Specifications

    M.2 PCIe solid-state drive specifications Table 9-3 M.2 PCIe solid-state drive specifications 256 GB* Dimensions Height 1 mm Length 50.8 mm Width 28.9 mm Weight < 10 g Interface type ATA-7 Transfer rate Sequential Read Up to 2150 MB/s Random Read Up to 300,000 IOPs Sequential Write Up to 1260 MB/s...

  • Page 75: Hard Drive Specifications

    Hard drive specifications Table 9-4 Hard drive specifications 1 TB* Dimensions Height 7.2 mm Length 100.4 mm Width 69.9 mm Weight 115.0 g Interface type SATA Transfer rate Synchronous (maximum) 300 MB/s Security ATA security Seek times (typical read, including setting) Single track 1.4 ms Average (read/write)

  • Page 76: 10 Power Cord Set Requirements

    10 Power cord set requirements 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 77: Requirements For Specific Countries And Regions

    Requirements for specific countries and regions Table 10-1 Power cord requirements for specific countries and regions 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...
  • Page 78 Table 10-1 Power cord requirements for specific countries and regions (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.

  • Page 79: 11 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 80: Index

    65 hinges Bluetooth label 12 drive light, identifying 5 spare part number 15 boot order, changing 62 HP PC Hardware Diagnostics UEFI bottom components 11 downloading 58 electrostatic discharge (ESD) 18 bottom cover starting 58 preventing damage 19...
  • Page 81 62 (microphone) 4 packaging guidelines 21 USB flash drive 62 ports recovery media HDMI 4 creating using HP Cloud Recovery keyboard/pointing devices, product product description 2 Download Tool 61 description 2 USB SuperSpeed 4 creating using Windows tools 61...
  • Page 82 hard drive 67 Windows key, identifying 10 M.2 solid-state drive 66 Windows tools, using 61 static electricity 19 wireless antennas storage, product description 1 spare part number 52 system board wireless antennas, identifying 6 removal 44 wireless certification label 12 spare part numbers 44 wireless netowrking, product system restore point, creating 61...

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