HP CHROMEBOOK 14-Q049WM User Manual

HP Chromebook

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

Bluetooth is a trademark owned by its proprietor and used by Hewlett-Packard Company under license. Intel and Celeron are U.S. registered trademarks of Intel Corporation. SD Logo is a trademark of its proprietor.

The information contained herein is subject to change without notice. The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP shall not be liable for technical or editorial errors or omissions contained herein.

First Edition: September 2013

Document Part Number: 741336-001

Product notice

This guide describes features that are common to most models. Some features may not be available on your computer.

Software terms

By installing, copying, downloading, or otherwise using any software product preinstalled on this computer, you agree to be bound by the terms of the HP End User License Agreement (EULA). If you do not accept these license terms, your sole remedy is to return the entire unused product (hardware and software) within 14 days for a refund subject to the refund policy of your place of purchase.

For any further information or to request a full refund of the computer, please contact your local point of sale (the seller).

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. Also, do not allow the AC adapter to contact the skin or a soft surface, such as pillows or rugs or clothing, during operation. The device and the AC adapter comply with the user-accessible surface temperature limits defined by the International Standard for Safety of Information Technology Equipment (IEC 60950).

iii

iv Safety warning notice

Table of contents

1 Product description ........................................................................................................... 1

2 External component identification ..................................................................................... 3

Display ................................................................................................................................... 3

Button ..................................................................................................................................... 4

TouchPad ................................................................................................................................ 5

Left side .................................................................................................................................. 6

Right side ................................................................................................................................ 7

Bottom .................................................................................................................................... 8

3 Illustrated parts catalog .................................................................................................... 9

Locating the serial number, product number, and model number .................................................... 9

Computer major components ................................................................................................... 10

Display assembly components ................................................................................................. 13

Miscellaneous parts ................................................................................................................ 14

Sequential part number listing .................................................................................................. 15

4 Removal and replacement procedures preliminary requirements .................................... 18

Tools required ....................................................................................................................... 18

Service considerations ............................................................................................................ 18

Plastic parts ............................................................................................................ 18

Cables and connectors ............................................................................................ 19

Drive handling ........................................................................................................ 19

Grounding guidelines ............................................................................................................. 20

Electrostatic discharge damage ................................................................................. 20

Packaging and transporting guidelines ....................................................... 21

Workstation guidelines .............................................................. 21

Component replacement procedures ........................................................................................ 23

Keyboard/top cover ................................................................................................ 23

Speakers ................................................................................................................ 26

Battery ................................................................................................................... 28

SIM slot board ........................................................................................................ 31

WLAN module ........................................................................................................ 32

Fan ....................................................................................................................... 34

USB board ............................................................................................................. 35

WWAN module ..................................................................................................... 37

Power connector cable ............................................................................................ 38

Hall sensor board ................................................................................................... 39

Display assembly .................................................................................................... 40

System board ......................................................................................................... 52

Heat sink ............................................................................................................... 54

Solid-state drive ...................................................................................................... 56

5 Specifications .................................................................................................................. 58

6 Power cord set requirements .......................................................................................... 59

Requirements for all countries .................................................................................................. 59

Requirements for specific countries and regions ......................................................................... 59

7 Recycling ........................................................................................................................ 61

Index ................................................................................................................................. 62

1 Product description

Category Description

Product Name

Processor Intel® Celeron® 2955U 1.40-GHz processor (2.0-MB L3 cache, 15 W)

Chipset Intel Lynx Point-LP processor controller hub (PCH), ULT, soldered on circuit (SoC),

Panel 14.0-in, BrightView (BV), high-definition (HD), white light-emitting display (WLED),

Graphics Intel Graphics: Intel HD Graphics

Memory Support for up to 4096-MB on-board system memory, DDR3L at 1600-MHz

Mass storage device Solid-state drive (2242/DS M.2 form factor)

Audio and video HP TrueVision HD slim webcamera (fixed, no tilt with activity light; 1280×720 by 30 frames

HP Chromebook

integrated in MCP

(1366×768), SVA, typical brightness: 200 nits, flat (3.6-mm), 16:9 ultra wide aspect ratio

Support for low-voltage differential signalling (LVDS, co-layout with eDP1.3+PSR)

Support for HD decode, DX11.1, and HDMI

4096-MB (256-MB × 16 × 8) - dual channel

●

2048-MB (256-MB × 16 × 4) - single channel

●

Support for 32- or 16-GB

per second)

One digital microphone with echo cancellation and noise suppression appropriate software

Stereo speakers

HD audio

Sensor Trusted Platform Module (TPM, Infineon SLB9655TT1.2)

Wireless networking Integrated wireless local area network (WLAN) options by way of wireless module

Two WLAN antennas built into display assembly

Support for the Atheros AR9462 802.11a/b/g/n 2×2 Bluetooth 4.0 Combo Adapter

Antenna support for following bands: 850/900/1800/1900/2100-MHz

Category Description

Integrated wireless wide area network (WWAN) options by way of wireless module

(select models only)

Two WWAN antennas built into display assembly (select models only)

Support for the HP cr3124 HSPA+ Mobile Broadband Module

SIM card slot (user accessible)

Support for HSPA, HSPA+

External expansion HP multi-format digital media card deader

Support for SD/SDHC/SDXC up to UHS-50

Push-push insertion/removal

SIM slot (populated with WWAN; tool-less user-accessible)

Ports

Keyboard/ pointing devices

Power requirements Support for 4-cell, 51-WHr, 3.42-AHr, Li-ion battery (non-removable)

Security Security cable lock

Operating system Preinstalled: Google Chrome

Serviceability End user replaceable part: AC adapter

AC adapter, HP Smart (4.5-mm barrel

●

Audio-in (mono microphone)/audio-out (stereo headphone) combo jack

●

USB 3.0 (2)

●

USB 2.0 (1)

●

Full-sized, textured, island-style, Google, keyboard

Touchpad Requirements: Multitouch gestures and Taps enabled as default

Support for the following AC adapters:

65-W HP Smart adapter (non-PFC, EM, 3-wire, 4.5-mm)

●

65-W HP Smart adapter (non-PFC, S-3P, 3-wire, 4.5-mm)

●

45-W HP Smart adapter (non-PFC, RC, 3-wire, 4.5-mm)

●

2 Chapter 1 Product description

2 External component identification

Display

NOTE: The position of the WLAN antennas differs according to model. If your model has WWAN

capability in addition to WLAN, the WLAN antennas will be are located below the display. See (1) in the table below.

Item Component Description

(1) WLAN antennas (2)* Send and receive wireless signals to communicate with wireless local

area networks.

NOTE: To set up a WLAN and connect to the Internet, you need a broadband

modem (either DSL or cable) (purchased separately), high-speed Internet service, purchased from an Internet service provider, and a wireless router (purchased separately).

(2) Webcamera light On: The webcam is in use.

(3) HP TrueVision HD

Webcamera

(4) Internal microphone Records sound.

(5) Internal display switch Turns off the display and initiates Sleep if the display is closed while the power

Records video, captures still photographs, and allows you to video conference and chat online using streaming video

is on.

NOTE: The internal display switch is not visible from the outside of

the computer.

Display

Item Component Description

(6) WWAN antennas (2)*

*The antennas are not visible from the outside of the computer. For optimal transmission, keep the areas immediately around the antennas free from obstructions. For wireless regulatory notices, see the section of the Regulatory, Safety and Environmental Notices that applies to your country or region.

Button

(select models only)

Send and receive wireless signals to communicate with wireless wide area networks.

Item Component Description

(1) Power button

●

4 Chapter 2 External component identification

When the computer is off, press the button to turn on the computer.

When the computer is in the Sleep state, press the button briefly to exit Sleep.

When the computer is on and you want to lock the screen, press the power button until you see the sign-in screen appear. Pressing the power button during screen-lock mode turns off the computer.

When the computer is on and you want to turn it off, press and hold the power button.

TouchPad

Item Component Description

(1) TouchPad zone Reads your finger gesture to move the pointer or activate items on the screen.

TouchPad

Left side

Item Component Description

(1) Security cable slot Attaches an optional security cable to the computer.

(2) HDMI port Connects an optional video or audio device, such as a high-definition television,

(3) USB 3.0 ports (2) Each USB 3.0 port connects an optional USB device, such as a keyboard, mouse,

NOTE: The security cable is designed to act as a deterrent, but it may not

prevent the computer from being mishandled or stolen.

or any compatible digital or audio device.

external drive, printer, or USB hub.

(4) Audio-out (headphone)

jack/Audio-in (microphone) combo jack

(5) Power light

Connects optional powered stereo speakers, headphones, earbuds, a headset, or a television audio cable. Also connects an optional headset microphone. This jack does not support optional microphone-only devices.

WARNING! To reduce the risk of personal injury, adjust the volume before

using headphones, earbuds, or a headset. For additional safety information, see the Regulatory, Safety and Environmental Notices.

NOTE: When a device is connected to the jack, the computer speakers

are disabled.

NOTE: Be sure that the device cable has a 4-conductor connector that supports

both audio-out (headphone) and audio-in (microphone).

White: Computer is on

●

Blinking white: Computer is in sleep mode

●

Off: Computer is off

●

6 Chapter 2 External component identification

Right side

Item Component Description

(1) Power connector Connects an AC adapter.

(2) AC adapter light

(3) Memory card reader Reads optional memory cards that store, manage, share, or access information.

(4) USB 2.0 port Connects an optional USB device, such as a keyboard, mouse, external drive,

(5) SIM slot

(select models only)

White: AC adapter is attached

●

Amber: Battery is charging.

●

Blinking white: The AC adapter is connected and battery capacity is low

●

Off: Running on battery power.

●

To insert a card:

1. Hold the card label-side up, with connectors facing the slot. Insert the card

into the slot, and then press in on the card until it is firmly seated.

To remove a card:

1. Press in on the card until it pops out.

printer, or USB hub.

Supports a wireless subscriber identity module (SIM).

Right side

Bottom

Item Component Description

(1) Vents (2) Enable 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.

(2) Speakers (2) Produce sound.

8 Chapter 2 External component identification

3 Illustrated parts catalog

Locating the serial number, product number, and model number

The serial number and product number of your tablet are located on the left edge of the tablet. The model number of your tablet is located on the back of your tablet. You may need the information when you travel internationally or when you contact support.

Locating the serial number, product number, and model number

Computer major components

Item Component Spare part number

(1) Display assembly: The display assembly is spared at the subcomponent level only. For more display assembly

spare part information, see

(2) Keyboard/top cover (includes keyboard cable, TouchPad, and TouchPad cable):

For use in Canada 740172-DB1

For use in Denmark, Finland, and Norway 740172-DH1

For use in France 740172-051

For use in Germany 740172-041

10 Chapter 3 Illustrated parts catalog

Display assembly components on page 13.

Item Component Spare part number

For use in the Netherlands 740172-B31

For use in the United Kingdom and Singapore 740172-031

For use in the United States 740172-001

(3) Speaker Kit (includes left and right speakers and cables) 740154-001

(4) SIM slot board (includes cable) 740168-001

(5) Atheros AR9462 802.11a/b/g/n 2×2 Bluetooth 4.0 Combo Adapter 676786-005

(6) Hall sensor board (includes cable) 740169-001

(7) Fan (includes cable) 740149-001

(8) 4-cell, 51-WHr, 3.42-AHr, Li-ion battery (includes cable) 738392-005

(9) System board equipped with an Intel Celeron 2955U 1.40-GHz processor (2.0-MB L3 cache, 15 W) and a

graphics subsystem with UMA memory (includes replacement thermal material):

Includes 4.0-GB of system memory 740160-001

Includes 2.0-GB of system memory 742097-001

(10 Solid-state drive:

32 GB 740159-001

16 GB 740158-001

(11) Heat sink (includes replacement thermal material) 740146-001

(12) USB board (includes cable):

For use only on computer models equipped with WWAN capability (includes Media

Card Reader slot and WWAN module slot)

For use only on computer models not equipped with WWAN capability (includes

Media Card Reader slot)

(13) HP cr3124 HSPA+ Mobile Broadband Module 741284-005

(14) Power connector cable 740148-001

(15) Base enclosure:

In ocean turquoise finish for use only on computer models equipped with

WWAN capability

In peach coral finish for use only on computer models equipped with

WWAN capability

In snow white finish for use only on computer models equipped with

WWAN capability

In ocean turquoise finish for use only on computer models not equipped with

WWAN capability

744781-001

740151-001

740144-001

740161-001

740163-001

740164-001

In peach coral finish for use only on computer models not equipped with

WWAN capability

740165-001

Computer major components

Item Component Spare part number

In snow white finish for use only on computer models not equipped with

WWAN capability

Rubber Kit (not illustrated, includes base enclosure rubber feet and display bezel rubber screw covers):

For use on computer models with ocean turquoise finish 741055-001

For use on computer models with peach coral finish 743914-001

For use on computer models with snow white finish 743915-001

740167-001

12 Chapter 3 Illustrated parts catalog

Display assembly components

Item Component Spare part number

(1) Display bezel:

In ocean turquoise finish 741671-001

In peach coral finish 740150-001

In snow white finish 741670-001

(2) Webcamera/microphone module (includes double-sided adhesive) 740152-001

(3) 14.0-in, BV, HD, WLED, SVA display panel 740155-001

(4) Display Hinge Kit (includes left and right display hinges) 740147-001

(5) WWAN Antenna Kit (includes WWAN left and right antenna cables

and transceivers)

(6) WLAN Antenna Kit (includes WLAN left and right antenna cables and transceivers) 740171-001

740170-001

Display assembly components

Item Component Spare part number

(7) Display panel cable (includes webcamera/microphone module cable) 740145-001

(8) Display enclosure:

In ocean turquoise finish for use only on computer models equipped with

WWAN capability

In peach coral finish for use only on computer models equipped with

WWAN capability

In snow white finish for use only on computer models equipped with

WWAN capability

Miscellaneous parts

Component Spare part number

AC adapter:

65-W HP Smart adapter (non-PFC, EM, 3-wire, 4.5-mm) 714657-001

65-W HP Smart adapter (non-PFC, S-3P, 3-wire, 4.5-mm) 710412-001

45-W HP Smart adapter (non-PFC, RC, 3-wire, 4.5-mm) 741727-001

HP HDMI-to-VGA adapter 701943-001

HP RJ-45-to-USB adapter dongle 539614-001

740136-001

740137-001

740139-001

Power cord (3-pin, black, 1.83-m):

For use in Australia 490371-011

For use in Europe 490371-021

For use in India 490371-D61

For use in North America 490371-001

For use in the United Kingdom and Singapore 490371-031

Screw Kit 740156-001

14 Chapter 3 Illustrated parts catalog

Sequential part number listing

Spare part number Description

490371-001 Power cord for use in North America (3-pin, black, 1.83-m)

490371-011 Power cord for use in Australia (3-pin, black, 1.83-m)

490371-021 Power cord for use in Europe (3-pin, black, 1.83-m)

490371-031 Power cord for use in the United Kingdom and Singapore (3-pin, black, 1.83-m)

490371-D61 Power cord for use in India (3-pin, black, 1.83-m)

539614-001 HP RJ-45-to-USB adapter dongle

676786-005 Atheros AR9462 802.11a/b/g/n 2×2 Bluetooth 4.0 Combo Adapter

701943-001 HP HDMI-to-VGA adapter

710412-001 65-W HP Smart adapter (non-PFC, S-3P, 3-wire, 4.5-mm)

714657-001 65-W HP Smart adapter (non-PFC, EM, 3-wire, 4.5-mm)

738392-005 4-cell, 51-WHr, 3.42-AHr, Li-ion battery

740136-001 Display enclosure in ocean turquoise finish

740137-001 Display enclosure in peach coral finish

740139-001 Display enclosure in snow white finish

740144-001 Base enclosure in ocean turquoise finish for use only on computer models equipped with

WWAN capability

740145-001 Display panel cable (includes webcamera/microphone module cable)

740146-001 Heat sink (includes replacement thermal material)

740147-001 Display Hinge Kit (includes left and right display hinges and left)

740148-001 Power connector cable

740149-001 Fan (includes cable)

740150-001 Display bezel in peach coral finish

740151-001 USB board for use only on computer models not equipped with WWAN capability (includes Media

Card Reader slot and cable)

740152-001 Webcamera/microphone module (includes double-sided adhesive)

740154-001 Speaker Kit (includes left and right speakers and cables)

740155-001 14.0-in, BV, HD, WLED, SVA display panel

740156-001 Screw Kit

740158-001 16-GB solid-state drive

740159-001 32-GB solid-state drive

Sequential part number listing

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