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 2021 HP Development Company,
L.P.
AMD is a trademark of Advanced Micro Devices,
Inc. Bluetooth is a trademark owned by its
proprietor and used by HP Inc. under license.
Chrome, Chromebook, Chrome OS, Google, and
Google Drive are trademarks of Google LLC.
Intel, Celeron, and vPro are trademarks of Intel
Corporation or its subsidiaries in the U.S. and/or
other countries. SDHC, SDXC, and microSD are
trademarks or registered trademarks 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: March 2021
Document Part Number: M52591-001
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
Manuals.
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.
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iv Safety warning notice ENWW

Table of contents
1 Product description .................................................................................................................................................................................. 1
2 Components .............................................................................................................................................................................................. 3
Right ........................................................................................................................................................................................... 3
Left .............................................................................................................................................................................................. 4
Display ........................................................................................................................................................................................ 5
Touchpad ................................................................................................................................................................................... 6
Power key .................................................................................................................................................................................. 7
Special keys ............................................................................................................................................................................... 8
Bottom ....................................................................................................................................................................................... 8
3 Illustrated parts catalog ........................................................................................................................................................................ 11
Computer major components .............................................................................................................................................. 11
(29.6 mm) 11.6 in display assembly subcomponents ..................................................................................................... 13
Miscellaneous parts ............................................................................................................................................................... 15
4 Removal and replacement procedures preliminary requirements ................................................................................................ 17
Tools required ......................................................................................................................................................................... 17
Service considerations .......................................................................................................................................................... 18
Plastic parts ........................................................................................................................................................ 18
Cables and connectors ..................................................................................................................................... 18
Drive handling .................................................................................................................................................... 18
Electrostatic discharge information .................................................................................................................................... 19
Generating static electricity ............................................................................................................................. 19
Preventing electrostatic damage to equipment ........................................................................................... 20
Personal grounding methods and equipment .............................................................................................. 20
Grounding the work area .................................................................................................................................. 20
Recommended materials and equipment ..................................................................................................... 21
Cleaning your computer ........................................................................................................................................................ 22
Enabling HP Easy Clean (select products only) ............................................................................................ 22
Removing dirt and debris from your computer ............................................................................................ 22
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Cleaning your computer with a disinfectant ................................................................................................. 23
Caring for wood veneer (select products only) ............................................................................................. 24
Packaging and transporting guidelines .............................................................................................................................. 24
Accessing support information ............................................................................................................................................ 24
5 Removal and replacement procedures for authorized service provider parts ............................................................................ 27
Component replacement procedures ................................................................................................................................. 28
Preparation for disassembly ........................................................................................................................... 29
Top cover/keyboard ...................................................................................................................... 29
Touchpad cable ............................................................................................................................. 30
Touchpad ........................................................................................................................................ 31
Battery ............................................................................................................................................ 32
Speakers ......................................................................................................................................... 34
Connector board cables ............................................................................................................... 35
Connector board ........................................................................................................................... 35
System board ................................................................................................................................ 37
Heat sink ......................................................................................................................................... 39
29.5 cm (11.6 in) display assembly ........................................................................................... 40
6 Backing up, resetting, and recovering ................................................................................................................................................. 49
Backing up ............................................................................................................................................................................... 49
Resetting ................................................................................................................................................................................. 49
Recovering ............................................................................................................................................................................... 50
Installing the Chromebook Recovery Utility .................................................................................................. 50
Creating recovery media .................................................................................................................................. 50
Recovering the Chrome operating system .................................................................................................... 50
Setting up your computer after a reset or recovery ......................................................................................................... 50
Erase and reformat the recovery media ............................................................................................................................ 50
7 Specications .......................................................................................................................................................................................... 53
Computer specications ........................................................................................................................................................ 53
8 Power cord set requirements ............................................................................................................................................................... 55
Requirements for all countries ............................................................................................................................................ 55
Requirements for specic countries and regions ............................................................................................................. 55
9 Recycling .................................................................................................................................................................................................. 59
Index ............................................................................................................................................................................................................. 61
vi ENWW

1 Product description
This table provides detailed product information.
Table 1-1 Product components and their descriptions
Category Description
Product Name HP Chromebook® 11a
Processors Intel™ Celeron® N3350 1.1 GHz (SC Turbo up to 2.4 GHz) processor (dual core, 2400 MHz front side bus (FSB), 2
MB L2 cache, 6W),
Chipset Intel integrated soldered-on-circuit (SoC)
Display 29.6 cm (11.6 in), high denition (HD) (1366 × 768), BrightView, white light-emitting diode (WLED), ultra wide
viewing area (UWVA), 50% CG, embedded DisplayPort (eDP) 1.2 without panel self-refresh (PSR) , slim
touchscreen display panel; typical brightness: 220 nits
Graphics card Intel HD Graphics 500
Memory On-board (nonupgradeable) system memory supporting 8 GB
Support for 3733 LPDDR4 1.1v IC FBGA200 system memory
Media card reader microSD™ media reader slot
Supports microSD, SDHC™, SDXC™
Push-push insertion/removal
On-board (nonupgradeable) support for 32 GB v5.0
Networking Intel D1 7265 ac 2×2 + Bluetooth® 4.2 LE M.2 2230 non-vPro® PCI-e + USB WW with 2 antennas
Storage On-board (nonupgradeable) support for embedded MultiMedia Controller (eMMC) 32 GB v5.0
Audio and video Integrated dual speakers
Support for HD audio
Integrated HP HD camera
720p by 30 frames per second
Ports Audio-out (headphone)/audio-in (microphone) combo jack
HDMI v1.4b port
USB Type-A ports (2)
USB Type-C® port (2)
Keyboard/pointing
devices
Keyboard: Integrated, island style keyboard in chalk gray nish
Touchpad
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Table 1-1 Product components and their descriptions (continued)
Category Description
Power requirements Battery: 2 cell, 47 WHr, HP Long Life
Smart AC adapter: 45 W, non-PFC, standard, USB Type–C, straight
Power cord: C5, 1.0 m (3.3 ft)
Security Titan C security chip
Nano security cable lock
Operating system Google® Chrome™
Serviceability End user replaceable part: AC adapter
2 Chapter 1 Product description ENWW

2 Components
This is the Components chapter from the user guide.
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) 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.
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Table 2-1 Right-side components and their descriptions (continued)
Component Description
(2) microSD™ 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.
(3) USB SuperSpeed port Connects a USB device, provides high-speed data transfer, and
(for select products) charges small devices (such as a
smartphone) when the computer is on or in Sleep mode.
NOTE: Use a standard USB Type-A charging cable or cable
adapter (purchased separately) when charging a small
external device.
(4) 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.
●O: The battery is not charging.
(5) 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 –
Connects a USB device, provides data transfer, and (for select
products) charges small devices (such as a smartphone) when
the computer is on or in Sleep mode.
NOTE: Use a standard USB Type-C charging cable or cable
adapter (purchased separately) when charging a small
external device.
– and –
Connects a display device that has a USB Type-C connector,
providing DisplayPort™ output.
Left
Use the illustration and table to identify the components on the left side of the computer.
4 Chapter 2 Components ENWW

Table 2-2 Left-side components and their descriptions
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 might not prevent the computer from being mishandled
or stolen.
(2) 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 –
Connects a USB device, provides data transfer, and (for select
products) charges small devices (such as a smartphone) when
the computer is on or in Sleep mode.
NOTE: Use a standard USB Type-C charging cable or cable
adapter (purchased separately) when charging a small external
device.
– and –
Connects a display device that has a USB Type-C connector,
providing DisplayPort output.
(3) USB SuperSpeed port Connects a USB device, provides high-speed data transfer, and
(for select products) charges small devices (such as a
smartphone) when the computer is on or in Sleep mode.
NOTE: Use a standard USB Type-A charging cable or cable
adapter (purchased separately) when charging a small external
device.
Display
Use the illustration and table to identify the components on the display.
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Table 2-3 Display components and their descriptions
Component Description
(1) WLAN antennas* Send and receive wireless signals to communicate with wireless local
area networks (WLANs).
(2) Camera light On (white): The camera is in use.
O: The camera is turned o by the software.
(3) Camera Allows you to video chat, record video, and record still images.
NOTE: Camera functions vary depending on the camera hardware
and software installed on your product.
(4) Internal microphone Records sound.
*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.
Touchpad
The touchpad settings and components are described here.
6 Chapter 2 Components ENWW

Table 2-4 Touchpad component and description
Component Description
Touchpad zone Reads your nger gestures to move the pointer or activate items on the screen.
Power key
Use the illustration and table to identify the power key.
ENWW Power key 7

Table 2-5 Power key and its description
Component Description
Power key ●When the computer is o, press the key briey to turn on the
computer.
●When the computer is in the Sleep state, press the key briey to
exit Sleep (select products only).
●When the computer is in Hibernation, press the key briey to exit
Hibernation.
IMPORTANT: Pressing and holding down the power key results in the
loss of unsaved information.
If the computer has stopped responding and shutdown procedures are
ineective, press and hold the power key for at least 10 seconds to turn
o the computer.
Special keys
Use the illustration and table to locate the special keys.
Table 2-6 Special keys and their descriptions
Component Description
(1) esc key Activates certain computer functions when pressed in combination
with other keys, such as tab or shift.
(2) Action keys Execute frequently used system functions.
Bottom
Use the illustration and table to identify the bottom component.
8 Chapter 2 Components ENWW

Table 2-7 Bottom component and description
Components Description
Speakers (2) Produce sound.
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10 Chapter 2 Components ENWW

3 Illustrated parts catalog
Use this table to determine the spare parts that are available for the computer.
Computer major components
To identify the computer major components, use this illustration and table.
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.
ENWW Computer major components 11

Table 3-1 Computer major component descriptions and part numbers
Item Component Spare part number
(1) Display assembly
NOTE: Display spare parts are available as subcomponents, not as whole units. Display subcomponent spare parts are
available. For spare part information, see (29.6 mm) 11.6 in display assembly subcomponents on page 13.
(2) Top cover/keyboard for use in the United States (includes keyboard cable): L92334-001
12 Chapter 3 Illustrated parts catalog ENWW

Table 3-1 Computer major component descriptions and part numbers (continued)
Item Component Spare part number
(3a) Touchpad
NOTE: The touchpad spare part kit does not include the touchpad bracket or touchpad cable. The
touchpad bracket is available using spare part number L18300-001. The touchpad cable is included in
the Cable Kit, spare part number L14906-001.
L14922-001
(3b) Touchpad bracket L18300-001
(3c) Touchpad cable: (included in the Cable Kit, spare part number L14906-001)
(4) Speakers (include left and right speakers and cables) L14920-001
(5) Battery (2 cell, 47 Whr, 6.15 Ahr, Li) 917725-855
Battery shield (not illustrated) L95285-001
(6a) Connector board (includes HDMI port and USB port)
NOTE: The connector board spare part kit does not include the connector board cable. The connector
board cables are included in the Cable Kit, spare part number L14906-001.
L14923-001
(6b) I/O bracket L14359-001
(6c) Connector board low-power cable (included in the Cable Kit, spare part number L14906-001, includes double-sided adhesive)
(6c) Connector board high-power cable (included in the Cable Kit, spare part number L14906-001, includes double-sided adhesive)
Intel D1 7265 ac 2×2 + Bluetooth 4.2 LE M.2 2230 non-vPro PCI-e+USB WW with 2 antennas (not
illustrated)
860883-001
(7) System board equipped with an Intel Celeron N3350 1.1 GHz (SC Turbo up to 2.4 GHz) processor
(2400 MHz FSB, dual core, 2 MB L2 cache, 6W), 4 GB of system memory, and 32 GB of eMMC system
storage (includes a graphics subsystem with UMA memory, replacement thermal material, and the
Chrome operating system)
L15851-001
(8) Heat sink (includes replacement thermal material) 928840-001
Battery tape (not illustrated) L14905-001
(9) Base enclosure L49985-001
(29.6 mm) 11.6 in display assembly subcomponents
To identify the display assembly subcomponents, use this illustration and table.
ENWW (29.6 mm) 11.6 in display assembly subcomponents 13

Table 3-2 Display component descriptions and part numbers
Item Component Spare part number
(1) Display bezel L14912-001
(2) Webcam/microphone module (includes double-sided adhesive)
NOTE: The webcam/microphone module spare part kit does not include the webcam/microphone
module cable. The webcam/microphone module cable is included in the Cable Kit, spare part number
L14906-001.
M54840-001
Webcam/microphone module cable (not illustrated; included in the Cable Kit, spare part number L14906-001; includes double-
sided adhesive)
(3) Display bracket L14913-001
(4) 29.6 cm (11.6 in), HD, BrightView, LED, UWVA, touchscreen, 220 nits display panel assembly M54841-001
(5) Display panel cable L14915-001
(6) Display hinges (2, includes left and right hinges) L14907-001
(7) Display back cover (includes wireless antenna) M54838-001
14 Chapter 3 Illustrated parts catalog ENWW