HP Chromebook 11MK G9 EE 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
and vPro are trademarks of Intel Corporation or
its subsidiaries in the U.S. and/or other countries.
Qualcomm is a trademark of Qualcomm
Incorporated, registered in the United States and
other countries, used with permission. 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: January 2021
Document Part Number: M42846-001
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
Special keys ............................................................................................................................................................................... 7
Bottom ....................................................................................................................................................................................... 8
3 Illustrated parts catalog ........................................................................................................................................................................... 9
Computer major components ................................................................................................................................................ 9
Display assembly subcomponents ..................................................................................................................................... 13
Cables ....................................................................................................................................................................................... 15
Miscellaneous parts ............................................................................................................................................................... 16
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
ENWW v

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 ........................................................................................................................... 28
Top cover/keyboard .......................................................................................................................................... 28
Touchpad cable .................................................................................................................................................. 31
Touchpad ............................................................................................................................................................ 32
Speakers ............................................................................................................................................................. 33
Battery ................................................................................................................................................................. 34
Sensor board cable ........................................................................................................................................... 35
Sensor board ...................................................................................................................................................... 36
System board ..................................................................................................................................................... 37
Heat sink ............................................................................................................................................................. 39
29.5 cm (11.6 in) display assembly ................................................................................................................ 40
6 Backing up, resetting, and recovering ................................................................................................................................................. 47
Backing up ............................................................................................................................................................................... 47
Resetting ................................................................................................................................................................................. 47
Recovering ............................................................................................................................................................................... 48
Installing the Chromebook Recovery Utility .................................................................................................. 48
Creating recovery media .................................................................................................................................. 48
Recovering the Chrome operating system .................................................................................................... 48
Setting up your computer after a reset or recovery ......................................................................................................... 48
Erase and reformat the recovery media ............................................................................................................................ 48
7 Specications .......................................................................................................................................................................................... 51
Computer specications ........................................................................................................................................................ 51
29.5 cm (11.6 in) display specications ............................................................................................................................. 52
8 Statement of memory volatility ........................................................................................................................................................... 53
Current BIOS steps ................................................................................................................................................................. 53
Nonvolatile memory usage .................................................................................................................................................. 55
Questions and answers ......................................................................................................................................................... 57
Using HP Sure Start (select products only) ........................................................................................................................ 59
vi ENWW

9 Power cord set requirements ............................................................................................................................................................... 61
Requirements for all countries ............................................................................................................................................ 61
Requirements for specic countries and regions ............................................................................................................. 61
10 Recycling ............................................................................................................................................................................................... 65
Index ............................................................................................................................................................................................................. 67
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viii ENWW

1 Product description
This table provides detailed product information.
Table 1-1 Product components and their descriptions
Category Description
Product Name HP Chromebook™ 11MK G9 Education Edition
Processors Mediatek Arm Cortex-A MT8183 2.00 GHz (8 cores)
Chipset Mediatek integrated soldered-on-circuit (SoC)
Display 29.5 cm (11.6 in), liquid crystal display (LCD), high denition (HD) (1366 × 768), antiglare, white light-emitting
diode (WLED), UWVA, 50% CG, eDP 1.2 without PSR, slim touchscreen display panel, 220 nits
29.5 cm (11.6 in), LCD, HD (1366 × 768), antiglare, WLED, UWVA, 50% CG, eDP, slim non-touchscreen display
panel, 220 nits
29.5 cm (11.6 in), LCD, HD (1366 × 768), antiglare, WLED, SVA, 45% CG, eDP, slim non-touchscreen display
panel, 220 nits
Memory On-board (nonupgradeable) system memory supporting 8 GB or 4 GB
Support for 4266 LPDDR4X 0.6v IC FBGA200 system memory
Media card reader microSD™ media reader slot
Supports microSD, SDHC™, SDXC™
Push-push insertion/removal
On-board (nonupgradeable) eMMC 64 GB MO-276 MMC v5.0
Multimedia card On-board (nonupgradeable) embedded MultiMedia Controller (eMMC) 64 GB MO-276 MMC v5.0
Networking Qualcomm® ac 2×2 + Bluetooth® 4.2 MU-MIMO non-vPro® WW with 2 antennas (QCA6174A-3)
Storage On-board (nonupgradeable) eMMC 32 GB MO-276 MMC v5.0
Audio and video Dual speakers
Integrated HP HD camera: USB 2.0
720p by 30 frames per second
Ports Audio-out (headphone)/audio-in (microphone) combo jack
USB 2.0 Type-A
USB 2.0 Type-C
Keyboard/pointing
devices
Keyboard: Integrated, spill-resistant keyboard in jet black and nautical teal nishes
Touchpad:
ENWW 1

Table 1-1 Product components and their descriptions (continued)
Category Description
Touchpad with image sensor
Multitouch gestures enabled
Precision touchpad support
Support for Modern Trackpad Gestures
Taps enabled as default
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 H1 secure microcontroller
Nano security cable slot
Operating system Google® Chrome™ 64
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 port 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-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.
●Blinking amber: The battery has an error.
●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 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 deterrant,
but it might not prevent the computer from being mishandled
or stolen.
Display
Use the illustration and table to identify the components on the display.
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).
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Table 2-3 Display components and their descriptions (continued)
Component Description
(2) Camera light On (white): The camera is in use.
On (amber): The camera is turned o by the switch.
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 microphones Record sound.
(5) Power key ●When the computer is o, press the key briey to turn on the
computer.
●When the computer is on, press the key briey to initiate Sleep.
●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.
*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.
Special keys
Use the illustration and table to locate the special keys.
Table 2-5 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.
ENWW Special keys 7

Bottom
Use the illustration and table to identify the bottom components.
Table 2-6 Bottom components and description
Components Description
Speakers Produce sound.
8 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 9

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 Display assembly subcomponents on page 13.
(2) Top cover/keyboard in jet black nish (includes keyboard cable):
For use in Belgium M44258-A41
For use in Brazil M44258-201
For use in Canada M44258-DB1
For use in the Czech Republic and Slovakia M44258-FL1
For use in Denmark, Finland, and Norway M44258-DH1
10 Chapter 3 Illustrated parts catalog ENWW

Table 3-1 Computer major component descriptions and part numbers (continued)
Item Component Spare part number
For use in France M44258-051
For use in Germany M44258-041
For use in Israel M44258-BB1
For use in Italy M44258-061
For use in Japan M44258-291
For use in Latin America M44258-161
For use in the Netherlands M44258-B31
For use in Portugal M44258-131
For use in Romania M44258-271
For use in Russia M44258-251
For use in Saudi Arabia M44258-171
For use in Slovenia M44258-BA1
For use in South Korea M44258-AD1
For use in Spain M44258-071
For use in Sweden and Finland M44258-B71
For use in Switzerland M44258-BG1
For use in Taiwan M44258-AB1
For use in Thailand M44258-281
For use in Turkey M44258-141
For use in the United Kingdom M44258-031
For use in the United States M44258-001
Top cover/keyboard in nautical teal nish (includes keyboard cable):
For use in Belgium M44259-A41
For use in Brazil M44259-201
For use in Canada M44259-DB1
For use in the Czech Republic and Slovakia M44259-FL1
For use in Denmark, Finland, and Norway M44259-DH1
For use in France M44259-051
For use in Germany M44259-041
For use in Israel M44259-BB1
For use in Italy M44259-061
For use in Japan M44259-291
For use in Latin America M44259-161
ENWW Computer major components 11

Table 3-1 Computer major component descriptions and part numbers (continued)
Item Component Spare part number
For use in the Netherlands M44259-B31
For use in Portugal M44259-131
For use in Romania M44259-271
For use in Russia M44259-251
For use in Saudi Arabia M44259-171
For use in Slovenia M44259-BA1
For use in South Korea M44259-AD1
For use in Spain M44259-071
For use in Sweden and Finland M44259-B71
For use in Switzerland M44259-BG1
For use in Taiwan M44259-AB1
For use in Thailand M44259-281
For use in Turkey M44259-141
For use in the United Kingdom M44259-031
For use in the United States M44259-001
(3a) Touchpad:
NOTE: The touchpad spare part kit does not include the touchpad bracket, touchpad bracket rubber, or touchpad cable. The
touchpad bracket is available using spare part number L89791-001. The touchpad bracket rubber is available using spare part
number L89786-001. The touchpad cable is included in the Cable Kit, spare part number M44247-001.
In jet black nish M44244-001
In nautical teal nish M44245-001
(3b) Touchpad bracket L89791-001
Touchpad bracket rubber (not illustrated) L89786-001
(3c) Touchpad cable
NOTE: The touchpad cable is included in the Cable Kit, spare part number M44247-001.
(4a) Sensor board
NOTE: The sensor board spare part kit does not include the sensor board cable. The sensor board
cable is included in the Cable Kit, spare part number M44247-001.
M44240-001
(4b) Sensor board cable (includes double-sided adhesive)
NOTE: The sensor board cable is included in the Cable Kit, spare part number M44247-001.
(5) System board (includes a Mediatek Arm Cortex-A MT8183 2.00 GHz integrated processor (8 core), a graphics subsystem with
unied memory architecture (UMA) memory, replacement thermal material, and the Chrome operating system)
Equipped with 8 GB of system memory and 64 GB of eMMC system storage M44239-001
Equipped with 4 GB of system memory and 64 GB of eMMC system storage M44237-001
Equipped with 8 GB of system memory and 32 GB of eMMC system storage M44238-001
12 Chapter 3 Illustrated parts catalog ENWW