HP Chromebook 11a Manual

Maintenance and Service Guide
SUMMARY
This guide provides information about spare parts, removal and replacement of parts, security, backing up, and more.

© Copyright 2020 HP Development Company,
L.P.
Bluetooth is a trademark owned by its
proprietor and used by HP Inc. under license.
Chrome, Chrome OS, Chromebook, Google, and
Google Drive are trademarks of Google LLC.
microSD is a trademark or registered
trademark of SD-3C LLC. USB Type-C and USB-
C are registered trademarks of USB
Implementers Forum. DisplayPort™ and the
DisplayPort™ logo are trademarks owned by
the Video Electronics Standards Association
(VESA®) in the United States and other
countries.
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 2020
Document Part Number: M17965-001
Product notice
This guide describes features that are common
to most models. Some features may not be
available on your computer.
To access the latest user guides, go to
http://www.hp.com/support, and follow the
instructions to nd your product. Then select
User Guides.
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 full refund subject to the
refund policy of your seller.
For any further information or to request a full
refund of the price of the computer, please
contact your seller.

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, at
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 airow. Also, do not allow the AC adapter to come into contact with the
skin or a soft surface, such as pillows or rugs or clothing, during operation. The computer and the AC adapter
comply with the user-accessible surface temperature limits dened by applicable safety standards.
iii

iv Safety warning notice

Table of contents
1 Product description ....................................................................................................................................... 1
2 Components .................................................................................................................................................. 3
Right ....................................................................................................................................................................... 3
Left ......................................................................................................................................................................... 4
Display .................................................................................................................................................................... 4
Keyboard area ........................................................................................................................................................ 5
Touchpad ............................................................................................................................................. 5
Special keys ......................................................................................................................................... 6
Bottom ................................................................................................................................................................... 7
Labels ..................................................................................................................................................................... 8
3 Illustrated parts catalog ................................................................................................................................ 9
Computer major components ................................................................................................................................ 9
Display assembly subcomponents ...................................................................................................................... 10
Cables ................................................................................................................................................................... 12
Miscellaneous parts ............................................................................................................................................. 12
4 Removal and replacement procedures preliminary requirements .................................................................... 13
Tools required ...................................................................................................................................................... 13
Service considerations ......................................................................................................................................... 13
Plastic parts ....................................................................................................................................... 13
Cables and connectors ...................................................................................................................... 13
Drive handling ................................................................................................................................... 13
Workstation guidelines ..................................................................................................................... 14
Electrostatic discharge information .................................................................................................................... 14
Generating static electricity .............................................................................................................. 15
Preventing electrostatic damage to equipment ............................................................................... 15
Personal grounding methods and equipment .................................................................................. 16
Grounding the work area ................................................................................................................... 16
Recommended materials and equipment ........................................................................................ 16
Packaging and transporting guidelines .............................................................................................................. 17
5 Removal and replacement procedures for authorized service provider parts .................................................... 18
Component replacement procedures .................................................................................................................. 18
Preparation for disassembly ............................................................................................................. 18
v

Bottom cover ..................................................................................................................................... 18
Battery ............................................................................................................................................... 20
Touchpad ........................................................................................................................................... 21
Speakers ............................................................................................................................................ 23
USB board .......................................................................................................................................... 23
Heat sink ............................................................................................................................................ 24
System board .................................................................................................................................... 26
Display assembly ............................................................................................................................... 28
Keyboard with top cover ................................................................................................................... 35
6 Backing up, resetting, and recovering ........................................................................................................... 36
Backing up ............................................................................................................................................................ 36
Resetting .............................................................................................................................................................. 36
Recovering ........................................................................................................................................................... 36
Installing the Chromebook Recovery Utility ..................................................................................... 37
Creating recovery media ................................................................................................................... 37
Recovering the Chrome operating system ....................................................................................... 37
Setting up your computer after a reset or recovery ........................................................................................... 38
Erasing and reformatting the recovery media .................................................................................................... 38
7 Specications .............................................................................................................................................. 39
Computer specications ...................................................................................................................................... 39
29.5 cm (11.6 in) display specications .............................................................................................................. 39
8 Power cord set requirements ........................................................................................................................ 41
Requirements for all countries ............................................................................................................................ 41
Requirements for specic countries and regions ................................................................................................ 41
9 Recycling .................................................................................................................................................... 43
Index ............................................................................................................................................................. 44
vi

1 Product description
This table provides detailed product information.
Table 1-1 Product components and their descriptions
Category Description
Product Name HP Chromebook® 11a
Model number: 11a-na0xxx
CTO model number: 11a-na000
Processor Mediatek MT8183 (2.0 GHz, 2 MB cache, 8 cores)
Graphics UMA integrated graphics
Display 29.5 cm (11.6 in), HD (1366 × 768), antiglare, WLED, slim, 220 nits
SVA 45% CG, eDP, nontouch
UWVA, eDP 1.2 without PSR, Touch-on Panel (TOP)
Memory 4 GB of on-board LPDDR4 3733 and 4266 memory, nonupgradeable
Primary storage On-board embedded MultiMedia Controller (eMMC v5.0) congurations
64 GB
32 GB
Audio and video HP Webcam - True Vision HD camera: indicator LED, USB 2.0, f2.0
Dual speakers
B&O Audio
720p by 30 frames per second
Dual microphone with appropriate software: echo cancellation, noise suppression
Wireless Integrated Wireless option with dual antennas (M.2/PCIe)
Qualcomm - 802.11 AC 2 × 2 Wi-Fi + Bluetooth® 5 Combo Adapter (non-vPro, MU-MIMO supported)
Media card reader HP Multi-Format Digital Media Card Reader
Supports microSD™
Push-push insertion/removal
Ports Audio-out (headphone)/audio-in (microphone) combo jack (right side)
USB 2.0 Type C (right side; supports power delivery, data transfer, DisplayPort 1.1 up to 1440 × 900 @ 60 Hz
out through adapter)
USB 2.0 Type A (left side)
Keyboard/pointing
devices
Google Keyboard
Island style, textured, standard notebook keyboard
Clickpad with image sensor
1

Table 1-1 Product components and their descriptions (continued)
Category Description
Multitouch gestures enabled
Taps enabled as default
Power requirements Battery
2 cell, 37 Whr, long life
AC adapter
45 W, USB Type-C straight type, nPFC
Power cord
C5, 1 m
Security H1 Secure Microcontroller
Operating system Google® Chrome™ 64
Serviceability End user replaceable part
AC adapter
2 Chapter 1 Product description

2 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
(1) 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 the connectors facing
the computer.
2. Insert the card into the memory card reader, and then
press in on the card until it is rmly seated.
To remove a card:
▲Press in on the card, and then remove it from the
memory card reader.
(2) AC adapter and battery light ●White: The AC adapter is connected and the battery is
fully charged.
●Amber: The AC adapter is connected and the battery is
charging.
●Blinking amber: The battery has an error.
●O: The battery is not charging.
(3) USB Type-C® power connector and port Connects an AC adapter that has a USB Type-C connector,
supplying power to the computer and, if needed, charging
the computer battery.
– and –
Right 3

Table 2-1 Right-side components and their descriptions (continued)
Component Description
Connects a USB device, provides data transfer, and (for
select products) charges small devices when the computer is
on or in Sleep mode.
– and –
Connects a display device that has a USB Type-C connector,
providing DisplayPort™ output.
NOTE: Cables, adapters, or both (purchased separately)
might be required.
(4) Audio-out (headphone)/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 standalone microphones.
WARNING! 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.
NOTE: When a device is connected to the jack, the
computer speakers are disabled.
Left
Use the illustration and table to identify the component on the left side of the computer.
Table 2-2 Left-side component and description
Component Description
(1) USB port Connects a USB device, provides data transfer, and (for select
products) charges small devices when the computer is on or
in Sleep mode.
Display
Use the illustration and table to identify the components on the display.
4 Chapter 2 Components