HP CHROMEBOOK 14-Q049WM User Manual

HP Chromebook14

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

Development Company, L.P.

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	HP Chromebook14
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),
	integrated in MCP

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

Graphics	Intel Graphics: Intel HD Graphics
	Support for HD decode, DX11.1, and HDMI

Memory	Support for up to 4096-MB on-board system memory, DDR3L at 1600-MHz
	● 4096-MB (256-MB × 16 × 8) - dual channel
	● 2048-MB (256-MB × 16 × 4) - single channel

Mass storage device	Solid-state drive (2242/DS M.2 form factor)
	Support for 32or 16-GB

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

Keyboard/	Full-sized, textured, island-style, Google, keyboard
pointing devices	Touchpad Requirements: Multitouch gestures and Taps enabled as default


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

Security	Security cable lock

Operating system	Preinstalled: Google Chrome

Serviceability	End user replaceable part: AC adapter

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

(4)	Internal microphone	Records sound.

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

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

Display 3

Item

Component

Description

(6)WWAN antennas (2)* Send and receive wireless signals to communicate with wireless wide

(select models only)

area networks.

*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

Item	Component	Description

(1)	Power button	● 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.

4	Chapter 2 External component identification

TouchPad

Item	Component	Description

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

TouchPad 5

Left side

Item	Component	Description

(1)	Security cable slot	Attaches an optional security cable to the computer.
		NOTE: The security cable is designed to act as a deterrent, but it may not
		prevent the computer from being mishandled or stolen.

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

(3)	USB 3.0 ports (2)	Each USB 3.0 port connects an optional USB device, such as a keyboard, mouse,
		external drive, printer, or USB hub.

(4)Audio-out (headphone) jack/Audio-in (microphone) combo jack

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).

(5)

Power light

●

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	●	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.

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

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

(5)	SIM slot	Supports a wireless subscriber identity module (SIM).
	(select models only)

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 Display assembly components on page 13.

(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

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	744781-001
	Card Reader slot and WWAN module slot)

	For use only on computer models not equipped with WWAN capability (includes	740151-001
	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	740144-001
	WWAN capability

	In peach coral finish for use only on computer models equipped with	740161-001
	WWAN capability

	In snow white finish for use only on computer models equipped with	740163-001
	WWAN capability

	In ocean turquoise finish for use only on computer models not equipped with	740164-001
	WWAN capability

	In peach coral finish for use only on computer models not equipped with	740165-001
	WWAN capability

Computer major components

Item	Component	Spare part number

	In snow white finish for use only on computer models not equipped with	740167-001
	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

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	740170-001
	and transceivers)

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

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	740136-001
	WWAN capability

	In peach coral finish for use only on computer models equipped with	740137-001
	WWAN capability

	In snow white finish for use only on computer models equipped with	740139-001
	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

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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