HP Chromebook 14 G4 Manuel d'utilisateur

HP Chromebook (model numbers 14-ak000 through 14-ak099)HP Chromebook 14 G4Maintenance and Service GuideIMPORTANT! This document is intended for HP aut

Left sideComponent Description(1) Security cable slot Attaches an optional security cable to the computer.NOTE: The security cable is designed to act

Component Description●O: The computer is o.Right sideComponent Description(1) USB 2.0 ports Connect optional USB devices, such as a keyboard, mouse,

TopTouchPadComponent Description(1) TouchPad zone Moves the on-screen pointer and selects or activates items on the screen.6 Chapter 2 External co

ButtonsComponent Description(1) Power button●When the computer is o, press the button to turn on the computer.●When the computer is in the Sleep stat

BottomComponent Description(1) Speakers (2) Produce sound.8 Chapter 2 External component identication

LabelsThe labels axed to the computer provide information you may need when you troubleshoot system problems or travel internationally with the compu

3 Illustrated parts catalogNOTE: HP continually improves and changes product parts. For complete and current information on supported parts for your c

Item Component Spare part number(1) Display assembly: The display assembly is spared at the subcomponent level only. For display assembly spare part i

Item Component Spare part number ●For use in France 830878-051 ●For use in Germany 830878-041 ●For use in Italy 830878-061 ●For use in the Netherlands

Item Component Spare part number ●For use in the United States 830880-001(5) USB cable 830869-001(6) Battery (3-cell, 37-WHr, 3.28-AHr, Li-ion) 816609

© Copyright 2015 HP Development Company, L.P.Android is a U.S. registered trademark of Android Corporation. Bluetooth is a trademark owned by its prop

Display assembly subcomponentsItem Description Spare part number(1) Display bezel (includes Mylar) For use in HP Chromebook 14 G4 models: ●Silver

Item Description Spare part number For use in models with HD displays 830015-001 For use in models with FHD displays 830016-001 Display Hinge Kit f

Rubber KitItem Description Spare part number Rubber Kit for use in HP Chromebook 14 G4 models 834911-001 Rubber Kit for use in HP Chromebook models

Component Spare part numberScrew Kit 830876-001HP HDMI to VGA Adapter 701943-001RJ-45 to USB adapter 539614-001Miscellaneous parts 17

4 Removal and replacement preliminary requirementsTools requiredYou will need the following tools to complete the removal and replacement procedures:●

Cables and connectorsCAUTION: When servicing the computer, be sure that cables are placed in their proper locations during the reassembly process. Imp

CAUTION: To prevent damage to the computer when you are removing or installing internal components, observe these precautions:Keep components in their

Packaging and transporting guidelinesFollow these grounding guidelines when packaging and transporting equipment:●To avoid hand contact, transport pro

Equipment guidelinesGrounding equipment must include either a wrist strap or a foot strap at a grounded workstation.●When seated, wear a wrist strap c

5 Removal and replacement procedures for Authorized Service Provider partsCAUTION: Components described in this chapter should only be accessed by an

Safety warning noticeWARNING! To reduce the possibility of heat-related injuries or of overheating the device, do not place the device directly on you

Description Spare part number Description Spare part numberFor use in Germany 830878-041 For use in the United Kingdom and Singapore830878-031For use

5. Remove the middle smaller rubber foot/screw cover (3).NOTE: The feet/screw covers are included in the Rubber Kit, spare part number 834911-001 for

11. Release the zero insertion force (ZIF) connector (3) to which the keyboard cable is attached, and then disconnect the keyboard cable (4) from the

TouchPadDescription Spare part numberTouchPad for use in HP Chromebook 14 G4 models (includes gasket) 830874-001TouchPad for use in silver HP Chromebo

5. Remove the TouchPad (4).Reverse this procedure to install the TouchPad.28 Chapter 5 Removal and replacement procedures for Authorized Service Pro

Power connector cableDescription Spare part numberPower connector cable 841638-001Before removing the power connector cable, follow these steps:1. Tur

USB boardDescription Spare part numberUSB board 830873-001USB board cable 830869-001Before removing the USB board, follow these steps:1. Turn o the c

WLAN/Bluetooth combo cardThe computer uses a card that provides both WLAN and Bluetooth functionality.Description Spare part numberIntel Dual Band Wir

3. Remove the WLAN module (3) by pulling the module away from the slot at an angle.NOTE: WLAN modules are designed with a notch to prevent incorrect i

Heat sinkDescription Spare part numberHeat sink (includes alcohol pad, thermal tape, and thermal grease) 830871-001Before removing the heat sink, foll

iv Safety warning notice

2. Remove the heat sink (2).NOTE: The thermal material must be thoroughly cleaned from the surfaces of the system board and the heat sink components e

Display assemblyBefore removing the display assembly, follow these steps:1. Turn o the computer. If you are unsure whether the computer is o or in H

c. Using a at plastic tool, separate the top edge of the display bezel from the enclosure (3), then the left and right sides (4), and then the bottom

b. Disconnect the webcam/microphone module cable (2) from the webcam/microphone module.c. Remove the webcam/microphone module.The webcam/microphone mo

b. Lift the top edge of the display panel (2) and swing it up and forward until it rests upside down in front of the display enclosure.The raw display

a. Remove the following screws that secure the display hinges and display hinge support brackets to the display enclosure:(1) Two Phillips PM2.0×3.0 s

10. If it is necessary to replace the antenna cable:a. Peel to remove the transceivers from the top of the display enclosure (1).b. Release the cable

●834905-001–For use on HP Chromebook 14 G4 models●830859-001–For use on silver HP Chromebook models●830860-001–For use on blue HP Chromebook models●83

BatteryDescription Spare part numberBattery, 3-cell, 37-WHr, 3.28-AHr, Li-ion 816609-005Before removing the battery, follow these steps:1. Turn o the

3. Lift the battery from the computer (2).Reverse this procedure to install the battery.Component replacement procedures 43

Table of contents1 Product description ...

SpeakersDescription Spare part numberSpeakers (include left and right speakers and cables) 787723-001Before removing the speakers, follow these steps:

System boardDescription Spare part numberSystem board for use in all models (includes alcohol pad, thermal tape, and thermal grease): Equipped with a

4. Disconnect the power connector cable (4) from the system board.5. Remove the four Philllips PM2.0×2.0 screws (1) that secure the system board to th

6 Specications Metric U.S.Computer dimensionsWidth 34.4 cm 13.5 inDepth 24.0 cm 9.5 inHeight 1.8 cm 0.7 inWeight 1.7 kg 3.8 lbsOperating voltage and

7 Using HP PC Hardware Diagnostics (UEFI)HP PC Hardware Diagnostics is a Unied Extensible Firmware Interface (UEFI) that allows you to run diagnostic

3. Use the categories listed to nd your product.– or –Click Find Now to let HP automatically detect your product.4. Select your computer, and then se

8 Power cord set requirementsThe wide-range input feature of the computer permits it to operate from any line voltage from 100 to 120 volts AC, or fro

Country/region Accredited agency Applicable note numberSouth Korea EK 4Sweden CEMKO 1Switzerland SEV 1Taiwan BSMI 4The United Kingdom BSI 1The United

9 Statement of memory volatilityThe purpose of this chapter is to provide general information regarding nonvolatile memory in HP Business PCs. This ch

g. If a DriveLock password is set, select the Security menu, and scroll down to Hard Drive Utilities under the Utilities menu. Select Hard Drive Utili

Heat sink ...

NOTE: If the system has a BIOS administrator password, enter the password at the prompt.a. Select Main, select Restore Defaults, and then select Yes t

NOTE: The amount of time it takes for Disk Sanitizer to run can take several hours. Plug the computer into an AC outlet before starting.a. Turn on or

Nonvolatile memory usageNonvolatile Memory TypeAmount (Size) Does this memory store customer data?Does this memory retain data when power is removed?W

Nonvolatile Memory TypeAmount (Size) Does this memory store customer data?Does this memory retain data when power is removed?What is the purpose of th

Questions and answers1. How can the BIOS settings be restored (returned to factory settings)?IMPORTANT: Restore defaults does not securely erase any d

IMPORTANT: Resetting will result in the loss of information.These steps will not reset Custom Secure Boot Keys. See question and answer 7 for informat

10 RecyclingWhen a non-rechargeable or rechargeable battery has reached the end of its useful life, do not dispose of the battery in general household

IndexAAC adapter lightidentifying 5AC adapter, spare part numbers 16antenna cablespare part numbers 15, 40antennasdisconnecting 31audio, product descr

microphone (audio-in) jack, identifying 4model name 1Nnonvolatile memory 52Ooperating system, product description 2Ppackaging guidelines 21plastic par

1 Product descriptionCategory DescriptionProduct Name HP Chromebook (model numbers 14-ak000 through 14-ak099)HP Chromebook 14 G4Processor Intel Celero

Category DescriptionUSB 2.0 ports (2)Keyboard/pointing devices Full-sized, textured, island-style, Google keyboard (black) for use only on HP Chromebo

2 External component identicationDisplayComponent Description(1) Internal display switch Turns o the display and initiates Sleep if the display is c