HP Chromebook 14 inch 14b-nb0000 Maintenance and Service Guide
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- HP Chromebook 14 inch 14b-nb0000 | Maintenance and Service Guide - Page 1
Maintenance and Service Guide SUMMARY This guide provides information about spare parts, removal and replacement of parts, security, backing up, and more. - HP Chromebook 14 inch 14b-nb0000 | Maintenance and Service Guide - Page 2
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: July 2021 Document Part Number: M73804-001 Product notice This guide describes features that - HP Chromebook 14 inch 14b-nb0000 | Maintenance and Service Guide - Page 3
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 - HP Chromebook 14 inch 14b-nb0000 | Maintenance and Service Guide - Page 4
iv Safety warning notice - HP Chromebook 14 inch 14b-nb0000 | Maintenance and Service Guide - Page 5
Display assembly subcomponents ...14 Miscellaneous parts ...15 4 Removal and replacement procedures preliminary requirements 16 Tools required ...16 Service considerations ...16 Plastic parts ...16 Cables and connectors ...16 Drive handling ...16 Electrostatic discharge information ...17 Generating - HP Chromebook 14 inch 14b-nb0000 | Maintenance and Service Guide - Page 6
Accessing support information ...22 5 Removal and replacement procedures for authorized service provider parts 24 Component replacement procedures ...24 Preparation for disassembly ...24 Bottom cover ...24 Battery ...25 Solid-state drive ...27 Speakers ...28 Touchpad ...29 Fingerprint - HP Chromebook 14 inch 14b-nb0000 | Maintenance and Service Guide - Page 7
Index ...55 vii - HP Chromebook 14 inch 14b-nb0000 | Maintenance and Service Guide - Page 8
viii - HP Chromebook 14 inch 14b-nb0000 | Maintenance and Service Guide - Page 9
Panel (TOP) FHD, UWVA 45, 250 nits HD, SVA 45, 250 nits Memory Soldered on board, nonupgradeable DDR4-3200 dual-channel support Supports the following configurations: ● 8 GB ● 4 GB Primary storage On-board embedded MultiMedia Controller (eMMC v5.0) configuration 64 GB Solid-state drive - HP Chromebook 14 inch 14b-nb0000 | Maintenance and Service Guide - Page 10
Camera privacy cover Wireless Integrated wireless options with dual antennas Intel® Wi-Fi 6 AX201 + Bluetooth® 5 (non-vPro®) Media card reader Supports microSD™, SDHC™, SDXC™ up to UHS-104 Push-push insertion/removal Ports HDMI v1.4 Audio-out (headphone)/audio-in (microphone) combo jack - HP Chromebook 14 inch 14b-nb0000 | Maintenance and Service Guide - Page 11
) Category Description Power cord C5, 1 m (3.3 ft) Security Fingerprint sensor (select products only) Camera privacy cover H1 Secure Microcontroller Security lock Operating system Google® Chrome™ 64 Serviceability End user replaceable parts AC adapter 3 - HP Chromebook 14 inch 14b-nb0000 | Maintenance and Service Guide - Page 12
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 - HP Chromebook 14 inch 14b-nb0000 | Maintenance and Service Guide - Page 13
Table 2-1 Right-side components and their descriptions (continued) Component Description (4) USB Type-C® power connector and Connects an AC adapter that has a USB Type-C connector, SuperSpeed port supplying power to the computer and, if needed, charging the computer battery. - and - - HP Chromebook 14 inch 14b-nb0000 | Maintenance and Service Guide - Page 14
Table 2-2 Left-side components and their descriptions (continued) Component Description (3) USB Type-C power connector and SuperSpeed Connects an AC adapter that has a USB Type-C connector, port supplying power to the computer and, if needed, charging the computer battery. - and - Connects - HP Chromebook 14 inch 14b-nb0000 | Maintenance and Service Guide - Page 15
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) Internal microphones Record sound. (3) Camera light On (white): The camera is in use. On (amber): - HP Chromebook 14 inch 14b-nb0000 | Maintenance and Service Guide - Page 16
Table 2-4 Touchpad component and description Component Description Touchpad zone Reads your finger gestures to move the pointer or activate items on the screen. Speakers and fingerprint reader Speakers are located on the right and left of the keyboard. Fingerprint readers can be located on the - HP Chromebook 14 inch 14b-nb0000 | Maintenance and Service Guide - Page 17
Table 2-6 Special keys and their descriptions Component (1) esc key (2) Action keys (3) Power key (4) Search key Description Activates certain computer functions when pressed in combination with other keys, such as tab or shift. Execute frequently used system functions. ● When the computer - HP Chromebook 14 inch 14b-nb0000 | Maintenance and Service Guide - Page 18
computer provide information that you might need when you troubleshoot system problems or travel internationally with the computer. Labels can be bottom of a tablet kickstand. ● Service label-Provides important information to identify your computer. When contacting support, you might be asked for the - HP Chromebook 14 inch 14b-nb0000 | Maintenance and Service Guide - Page 19
components Component (1) HP product name (2) Model number (3) Product ID (4) Serial number (5) Warranty period Table 2-10 Service label components Component (1) HP product name (2) Model number (3) Warranty period (4) Product ID (5) Serial number ● Regulatory labels-Provide regulatory information - HP Chromebook 14 inch 14b-nb0000 | Maintenance and Service Guide - Page 20
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 - HP Chromebook 14 inch 14b-nb0000 | Maintenance and Service Guide - Page 21
Table 3-1 Computer major component descriptions and part numbers Item Component Spare part number (1) Display assembly NOTE: Display assemblies are available as spare parts only at the subcomponent level. (2) Top cover with keyboard Backlit, no fingerprint sensor M62335-xx1 Backlit, - HP Chromebook 14 inch 14b-nb0000 | Maintenance and Service Guide - Page 22
Table 3-1 Computer major component descriptions and part numbers (continued) Item Component (15) Left USB door (16) Right USB door Display assembly subcomponents To identify the display assembly subcomponents, use this illustration and table. Spare part number M35758-001 M35759-001 Table 3-2 - HP Chromebook 14 inch 14b-nb0000 | Maintenance and Service Guide - Page 23
descriptions and part numbers Component AC adapter, USB Type-C (nPFC, 1.8 m [5.9 ft]) 65 W 45 W Screw Kit Bracket Kit (includes touchpad support bracket and fingerprint bracket) Miscellaneous Hardware Kit (includes touchpad dome rubber cap with protective tape and touchpad protective tape) Plastics - HP Chromebook 14 inch 14b-nb0000 | Maintenance and Service Guide - Page 24
during disassembly and reassembly can damage plastic parts. Cables and connectors Handle cables with extreme care to avoid damage. IMPORTANT: When servicing the computer, be sure that cables are placed in their proper locations during the reassembly process. Improper cable placement can damage the - HP Chromebook 14 inch 14b-nb0000 | Maintenance and Service Guide - Page 25
IMPORTANT: Drives are fragile components. Handle them with care. To prevent damage to the computer, damage to a drive, or loss of information, observe these precautions: Before removing or inserting a hard drive, shut down the computer. If you are unsure whether the computer is off or in Hibernation - HP Chromebook 14 inch 14b-nb0000 | Maintenance and Service Guide - Page 26
Table 4-1 Static electricity occurrence based on activity and humidity (continued) Relative humidity Event 55% 40% Walking across vinyl floor Motions of bench worker Removing DIPs (dual in-line packages) from plastic tube 3,000 V 400 V 400 V 5,000 V 800 V 700 V Removing DIPs from vinyl tray - HP Chromebook 14 inch 14b-nb0000 | Maintenance and Service Guide - Page 27
. ● Keep the work area free of nonconductive materials, such as ordinary plastic assembly aids and polystyrene foam. ● Use conductive field service tools, such as cutters, screwdrivers, and vacuums. ● Avoid contact with pins, leads, or circuitry. Recommended materials and equipment HP recommends - HP Chromebook 14 inch 14b-nb0000 | Maintenance and Service Guide - Page 28
● Conductive tote boxes ● Opaque shielding bags ● Transparent metallized shielding bags ● Transparent shielding tubes Cleaning your computer Cleaning your computer regularly removes dirt and debris so that your device continues to operate at its best. Use the following information to safely clean - HP Chromebook 14 inch 14b-nb0000 | Maintenance and Service Guide - Page 29
IMPORTANT: Keep liquids away from the product. Avoid getting moisture in any openings. If liquid makes its way inside your HP product, it can cause damage to the product. Do not spray liquids directly on the product. Do not use aerosol sprays, solvents, abrasives, or cleaners containing hydrogen - HP Chromebook 14 inch 14b-nb0000 | Maintenance and Service Guide - Page 30
is not possible, use an ionizer to dissipate electric charges. Accessing support information Use this information to find the HP support that you need. Table 4-3 Support information locations Service consideration Path to access information Records of reported failure incidents stored on - HP Chromebook 14 inch 14b-nb0000 | Maintenance and Service Guide - Page 31
www.hp.com. 2. Place the cursor over Problem solving to display more options. 3. Select Support & Troubleshooting. 4. Type the serial number, product number, 2. Place the cursor over Support resources to display more options. 3. Select Authorized service providers. Component and diagnosis - HP Chromebook 14 inch 14b-nb0000 | Maintenance and Service Guide - Page 32
. 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. You must remove, replace, or loosen as many as 50 screws when you service the parts described in this chapter - HP Chromebook 14 inch 14b-nb0000 | Maintenance and Service Guide - Page 33
NOTE: Computer appearance might vary. 2. Use a nonmarking, nonconductive tool near the hinges (1) to release the bottom cover from the computer (2). 3. Remove the bottom cover from the computer (3). To replace the bottom cover, reverse the removal procedures. Battery To remove the battery, use this - HP Chromebook 14 inch 14b-nb0000 | Maintenance and Service Guide - Page 34
from the system board (1). 2. Remove the five Phillips M2.0 × 3.0 screws (2) that secure the battery to the computer. 26 Chapter 5 Removal and replacement procedures for authorized service provider parts - HP Chromebook 14 inch 14b-nb0000 | Maintenance and Service Guide - Page 35
3. Remove the battery from the computer (3). To insert the battery, reverse the removal procedures. Solid-state drive To remove the M.2 solid-state drive, use this procedure and illustration. Table 5-3 Solid-state drive description and part number Description Solid-state drive, 256 GB Solid-state - HP Chromebook 14 inch 14b-nb0000 | Maintenance and Service Guide - Page 36
the slot that holds it in place (3). 4. Disconnect the cable from the ZIF connector on the touchpad (4). 28 Chapter 5 Removal and replacement procedures for authorized service provider parts - HP Chromebook 14 inch 14b-nb0000 | Maintenance and Service Guide - Page 37
this procedure and illustration. Table 5-5 Touchpad description and part number Description Touchpad (includes rubber and protective tape) Touchpad cable Touchpad support bracket (included in Bracket Kit) Spare part number M62331-001 M57289-001 M12524-001 Before removing the touchpad, follow these - HP Chromebook 14 inch 14b-nb0000 | Maintenance and Service Guide - Page 38
protective tape back into place, reconnect the cable to the touchpad, and then replace the clear tape. 30 Chapter 5 Removal and replacement procedures for authorized service provider parts - HP Chromebook 14 inch 14b-nb0000 | Maintenance and Service Guide - Page 39
Fingerprint sensor board To remove the fingerprint sensor board, use this procedure and illustration. Table 5-6 Fingerprint sensor board description and part number Description Fingerprint sensor board (includes cable) Fingerprint sensor bracket (available in the Bracket Kit) Spare part number - HP Chromebook 14 inch 14b-nb0000 | Maintenance and Service Guide - Page 40
numbers Description Heat sink Before removing the heat sink, follow these steps: Spare part number M00434-001 32 Chapter 5 Removal and replacement procedures for authorized service provider parts - HP Chromebook 14 inch 14b-nb0000 | Maintenance and Service Guide - Page 41
1. Prepare the computer for disassembly (see Preparation for disassembly on page 24). 2. Remove the bottom cover (see Bottom cover on page 24). 3. Remove the battery (see Battery on page 25). Remove the heat sink: 1. In the order indicated on the heat sink, remove the four Phillips M2.0 × 2.0 screws - HP Chromebook 14 inch 14b-nb0000 | Maintenance and Service Guide - Page 42
shows the replacement thermal material locations. Thermal paste is used on one system board component (1) and on the heat sink area (2) that services it. Reverse this procedure to install the heat sink. Lock bracket To remove the lock bracket, use this procedure and illustration. Before removing - HP Chromebook 14 inch 14b-nb0000 | Maintenance and Service Guide - Page 43
2. Remove the bracket from the computer (2). Reverse this procedure to install the lock bracket. USB board To remove the USB board, use this procedure and illustration. Table 5-9 USB board description and part number Description USB board USB board cable, HS USB board cable, LS Spare part number - HP Chromebook 14 inch 14b-nb0000 | Maintenance and Service Guide - Page 44
the back of the USB door, and then lift to remove the USB door from the computer. 36 Chapter 5 Removal and replacement procedures for authorized service provider parts - HP Chromebook 14 inch 14b-nb0000 | Maintenance and Service Guide - Page 45
USB doors are available for both sides of the computer. Use the same removal and replacement procedures for both doors. Reverse this procedure to install the USB door. System board To remove the system board, use these procedures and illustrations. Table 5-11 System board descriptions and part - HP Chromebook 14 inch 14b-nb0000 | Maintenance and Service Guide - Page 46
(ZIF) (8) ● Speaker cable (9) 2. Remove the four Phillips M2.0 × 2.0 screws (1) that secure the system board to the computer. 38 Chapter 5 Removal and replacement procedures for authorized service provider parts - HP Chromebook 14 inch 14b-nb0000 | Maintenance and Service Guide - Page 47
3. Lift the right side of the system board (2), and then pull the board up and to the right to remove it (3). Reverse this procedure to install the system board. Display assembly To remove and disassemble the display assembly, use these procedures and illustrations. Before removing the display panel - HP Chromebook 14 inch 14b-nb0000 | Maintenance and Service Guide - Page 48
side of the bezel to remove it (3). The bezel is available as spare part number M49511-001. 40 Chapter 5 Removal and replacement procedures for authorized service provider parts - HP Chromebook 14 inch 14b-nb0000 | Maintenance and Service Guide - Page 49
10. If you need to remove the hinge cover, squeeze near both ends of the cover (1), and then pull the cover off the hinges (2). The hinge cover is available as spare part number M35760-001. 11. If you need to remove the display panel: a. Lift the bottom of the panel (1). b. The display panel is - HP Chromebook 14 inch 14b-nb0000 | Maintenance and Service Guide - Page 50
(2). NOTE: Display panel adhesive is available in the LCD Cable Kit as spare part number M49512-001. 42 Chapter 5 Removal and replacement procedures for authorized service provider parts - HP Chromebook 14 inch 14b-nb0000 | Maintenance and Service Guide - Page 51
12. If you need to remove the display cable: ▲ Remove the cable from the right hinge and along the bottom of the display back cover. Display cables are available in the LCD Cable Kit as spare part number M49512-001. 13. If you need to remove the camera module and cable: a. Use a flat tool to lift up - HP Chromebook 14 inch 14b-nb0000 | Maintenance and Service Guide - Page 52
. b. Remove the hinges from the display (2). The display hinges are available as spare part number M77032-001. 44 Chapter 5 Removal and replacement procedures for authorized service provider parts - HP Chromebook 14 inch 14b-nb0000 | Maintenance and Service Guide - Page 53
15. If you need to remove the top display bracket from the display: a. Remove the four Phillips broadhead M2.0 × 2.5 screws (1) from the bracket. b. Remove the bracket from the display (2). The bracket is available as spare part number M00700-001. Component replacement procedures 45 - HP Chromebook 14 inch 14b-nb0000 | Maintenance and Service Guide - Page 54
in country or region Switzerland United Kingdom -B31 -071 United States Spare part number -BG1 -031 -001 46 Chapter 5 Removal and replacement procedures for authorized service provider parts - HP Chromebook 14 inch 14b-nb0000 | Maintenance and Service Guide - Page 55
creating a backup, go to http://www.support.google.com. Resetting A factory reset erases "Reset this Chrome device." ● You are having problems with your user profile or settings. ● You restarted then select Continue. 4. Follow the on-screen instructions to reset your computer, and sign in with - HP Chromebook 14 inch 14b-nb0000 | Maintenance and Service Guide - Page 56
a system recovery on your computer, go to http://www.support.google.com. Before you begin the recovery process, you need Apps window, select Recovery, and then select Get started. 4. Follow the on-screen instructions to create the recovery media. NOTE: All data and partitions on your recovery media - HP Chromebook 14 inch 14b-nb0000 | Maintenance and Service Guide - Page 57
or recovery After a reset or recovery is complete, perform the initial setup process. For details about setting up the computer, go to http://www.support.google.com. Erasing and reformatting the recovery media When you create recovery media, the USB flash drive or SD memory card is formatted as - HP Chromebook 14 inch 14b-nb0000 | Maintenance and Service Guide - Page 58
7 Specifications This chapter provides specifications for your computer. Computer specifications This section provides specifications for your computer. When traveling with your computer, the computer dimensions and weights, as well as input power ratings and operating specifications, provide - HP Chromebook 14 inch 14b-nb0000 | Maintenance and Service Guide - Page 59
Table 7-2 Display specifications Active diagonal size Resolution Surface treatment Brightness Viewing angle Backlight Display panel interface Metric 35.6 cm 1920 × 1080 (FHD) 1368 × 766 (HD) Antiglare 250 nits UWVA (FHD panels) SVA (HD panels) WLED eDP U.S. 14.0 in 35.6 cm (14.0 in) display - HP Chromebook 14 inch 14b-nb0000 | Maintenance and Service Guide - Page 60
8 Power cord set requirements This chapter provides power cord requirements for countries and regions. The wide-range input feature of the computer permits it to operate from any line voltage from 100 V ac to 120 V ac, or from 220 V ac to 240 V ac. The three-conductor power cord set included with - HP Chromebook 14 inch 14b-nb0000 | Maintenance and Service Guide - Page 61
Table 8-1 Power cord requirements for specific countries and regions (continued) Country/region Accredited agency Applicable note number India BIS 1 Israel SII 1 Italy IMQ 1 Japan JIS 3 Netherlands KEMA 1 New Zealand SANZ 1 Norway NEMKO 1 People's Republic of China CCC 4 - HP Chromebook 14 inch 14b-nb0000 | Maintenance and Service Guide - Page 62
9 Recycling When a nonrechargeable or rechargeable battery has reached the end of its useful life, do not dispose of the battery in general household waste. Follow the local laws and regulations in your area for battery disposal. HP encourages customers to recycle used electronic hardware, HP - HP Chromebook 14 inch 14b-nb0000 | Maintenance and Service Guide - Page 63
K keyboard product description 2 keyboard with top cover spare part numbers 46 keys esc 8 search 9 L labels Bluetooth 10 regulatory 10 serial number 10 service 10 wireless certification 10 WLAN 10 lights AC adapter and battery 4, 6 camera 7 lock bracket removal 34 spare part number 34 M memory card - HP Chromebook 14 inch 14b-nb0000 | Maintenance and Service Guide - Page 64
, identifying 9 security cable slot, identifying 6 serial number, computer 10 service labels, locating 10 solid-state drive removal and replacement 27 spare part computer 50 display 50 hard drive 50 static electricity 16, 17 support information 22 system board removal 37 spare part numbers 37 system
Maintenance and Service Guide
SUMMARY
This guide provides information about spare parts, removal and replacement of parts, security, backing up, and more.