HP Chromebook 14 inch 14a-na1000 Maintenance and Service Guide
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- HP Chromebook 14 inch 14a-na1000 | 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 14a-na1000 | 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: June 2021 Document Part Number: M74093-001 Product notice This guide describes features that - HP Chromebook 14 inch 14a-na1000 | 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 14a-na1000 | Maintenance and Service Guide - Page 4
iv Safety warning notice - HP Chromebook 14 inch 14a-na1000 | Maintenance and Service Guide - Page 5
subcomponents ...14 Cables ...16 Miscellaneous parts ...16 4 Removal and replacement procedures preliminary requirements 18 Tools required ...18 Service considerations ...18 Plastic parts ...18 Cables and connectors ...18 Drive handling ...18 Electrostatic discharge information ...19 Generating - HP Chromebook 14 inch 14a-na1000 | Maintenance and Service Guide - Page 6
Accessing support information ...24 5 Removal and replacement procedures for authorized service provider parts 26 Component replacement procedures ...26 Preparation for disassembly ...26 Bottom cover ...26 Battery ...28 WLAN module ...29 Speakers ...31 Touchpad ...31 USB board ... - HP Chromebook 14 inch 14a-na1000 | Maintenance and Service Guide - Page 7
N4500 (1.1 GHz, up to 2.8 GHz, 2933 MHz FSB, 4 MB cache, dual core, 6 W; Intel UHD Graphics) Graphics Internal graphics Intel UHD Graphics Supports HD Decode, DX12, and HDMI Display 35.6 cm (14.0 in), WLED, slim (3.0 mm), narrow bezel, 45% NTSC (National Television Standards Committee) High - HP Chromebook 14 inch 14a-na1000 | Maintenance and Service Guide - Page 8
™, SDHC™, SDXC™ Push-push insertion/removal Ports Audio-out (headphone)/audio-in (microphone) combo jack (2) USB 3.2 Type C ● Supports power delivery ● Supports data transfer ● Supports DisplayPort 1.2 out up to 4096 × 2304 @ 60 Hz and HDMI 1.4 out through adapter (Pentium Silver N5000, Celeron - HP Chromebook 14 inch 14a-na1000 | Maintenance and Service Guide - Page 9
Table 1-1 Product components and their descriptions (continued) Category Description Serviceability End user replaceable parts AC adapter 3 - HP Chromebook 14 inch 14a-na1000 | Maintenance and Service Guide - Page 10
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 - HP Chromebook 14 inch 14a-na1000 | Maintenance and Service Guide - Page 11
speakers, headphones, combo jack 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 14a-na1000 | Maintenance and Service Guide - Page 12
Table 2-2 Left-side components and their descriptions (continued) Component Description ▲ Press in on the card, and then remove it from the memory card reader. Display Use the illustration and table to identify the components on the display. Table 2-3 Display components and their descriptions - HP Chromebook 14 inch 14a-na1000 | Maintenance and Service Guide - Page 13
Keyboard area Keyboards can vary by language. Touchpad The touchpad settings and components are described here. 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 Speakers are - HP Chromebook 14 inch 14a-na1000 | Maintenance and Service Guide - Page 14
Table 2-5 Speakers and their description Component Speakers Description Produce sound. Special keys Use the illustration and table to locate the special keys. Table 2-6 Special keys and their descriptions Component (1) esc key 8 Chapter 2 Components Description Activates certain computer - HP Chromebook 14 inch 14a-na1000 | Maintenance and Service Guide - Page 15
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 14a-na1000 | Maintenance and Service Guide - Page 16
components Component (1) HP product name (2) Model number (3) Product ID (4) Serial number (5) Warranty period Table 2-9 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 14a-na1000 | Maintenance and Service Guide - Page 17
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 - HP Chromebook 14 inch 14a-na1000 | Maintenance and Service Guide - Page 18
Table 3-1 Computer major component descriptions and part numbers Item Component Spare part number (1) Display assembly NOTE: Display assemblies are spared only at the subcomponent level. (2) Top cover with keyboard Snow white; no backlight L91515-xx1 Snow white; backlit L91516-xx1 Ash - HP Chromebook 14 inch 14a-na1000 | Maintenance and Service Guide - Page 19
Table 3-1 Computer major component descriptions and part numbers (continued) Item Component Spare part number Intel Pentium Silver N6000 processor, 8 GB system memory, and 128 GB eMMC memory M74067-001 Intel Pentium Silver N6000 processor, 4 GB system memory, and 64 GB eMMC memory M74066-001 - HP Chromebook 14 inch 14a-na1000 | Maintenance and Service Guide - Page 20
a backlit keyboard Thermal pad, system board (7) Power connector cable (8) Thermal pad (9) WLAN module Realtek RTL8822CE 802.11b/g/n/a/ac (2 × 2) MU-MIMO supported and Bluetooth 5.0 Intel Wi-Fi 6 AX201-W + Bluetooth 5 (non-vPro) (10) Battery (2 cell, 47 Whr) (11) Bottom cover (12) Rubber - HP Chromebook 14 inch 14a-na1000 | Maintenance and Service Guide - Page 21
Table 3-2 Display component descriptions and part numbers Item Component (1) Display bezel Ash grey Mineral silver Pale rose gold (2) Display panel FHD, antiglare, 250 nits FHD, antiglare, touch-on panel (TOP), 250 nits HD, antiglare, 220 nits HD, BrightView, Touch-on Panel (TOP), 220 - HP Chromebook 14 inch 14a-na1000 | Maintenance and Service Guide - Page 22
Table 3-2 Display component descriptions and part numbers (continued) Item Component (6) Wireless antennas (dual) (includes display tape) (7) Camera cable (8) Display back cover (includes wireless antennas) Forest teal Mineral silver Ceramic white Pale rose gold Cables To identify the - HP Chromebook 14 inch 14a-na1000 | Maintenance and Service Guide - Page 23
Table 3-4 Miscellaneous part descriptions and part numbers Component AC adapter, USB Type-C (45 W, nPFC, 1.8 m [6.0 ft]) Screw Kit Screw protective tape Mouse HP X3000 wireless mouse HP Z3700 wireless mouse, glossy white HP Z3700 wireless mouse, natural silver HP 220 wireless mouse HP sleeve, black - HP Chromebook 14 inch 14a-na1000 | 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 14a-na1000 | 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 14a-na1000 | 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 14a-na1000 | 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 14a-na1000 | 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 14a-na1000 | 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 14a-na1000 | 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 14a-na1000 | 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 14a-na1000 | 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 46 screws when you service the parts described in this chapter - HP Chromebook 14 inch 14a-na1000 | Maintenance and Service Guide - Page 33
Remove the bottom cover: 1. Peel the two rubber strips (1) and remove the two screw covers (2) from the bottom cover. 2. Remove the eight Phillips M2.0 × 5.0 screws (3) from the bottom of the computer. 3. Starting near the hinge, use a tool and work around the edges to release the bottom cover from - HP Chromebook 14 inch 14a-na1000 | Maintenance and Service Guide - Page 34
bottom of the battery (3). 3. Remove the four Phillips M2.0 × 3.5 screws (4) that secure the battery to the computer. 28 Chapter 5 Removal and replacement procedures for authorized service provider parts - HP Chromebook 14 inch 14a-na1000 | Maintenance and Service Guide - Page 35
. If you replace the module and then receive a warning message, remove the module to restore device functionality, and then contact technical support. Before removing the WLAN module, follow these steps: 1. Prepare the computer for disassembly (see Preparation for disassembly on page 26). 2. Remove - HP Chromebook 14 inch 14a-na1000 | Maintenance and Service Guide - Page 36
the antenna connector, as shown in the following illustration. Reverse this procedure to install the WLAN module. 30 Chapter 5 Removal and replacement procedures for authorized service provider parts - HP Chromebook 14 inch 14a-na1000 | Maintenance and Service Guide - Page 37
Speakers To remove the speakers, use this procedure and illustration. Table 5-4 Speaker description and part number Description Speaker Kit Spare part number L91528-001 Before removing the speakers, follow these steps: 1. Prepare the computer for disassembly (see Preparation for disassembly on - HP Chromebook 14 inch 14a-na1000 | Maintenance and Service Guide - Page 38
expose the screws (2). 5. Remove the three broadhead Phillips M2.0 × 2.0 screws (3) that secure the touchpad to the computer. 32 Chapter 5 Removal and replacement procedures for authorized service provider parts - HP Chromebook 14 inch 14a-na1000 | Maintenance and Service Guide - Page 39
6. Remove the touchpad from the computer (4). Reverse this procedure to install the touchpad. USB board To remove the USB board, use this procedure and illustration. Table 5-6 USB board description and part number Description USB board for use in models with Celeron N4000/N4020 or Pentium Silver - HP Chromebook 14 inch 14a-na1000 | Maintenance and Service Guide - Page 40
-001 M74066-001 L91521-001 M21214-001 M75856-001 M81923-001 L91520-001 M21213-001 M75852-001 34 Chapter 5 Removal and replacement procedures for authorized service provider parts - HP Chromebook 14 inch 14a-na1000 | Maintenance and Service Guide - Page 41
Table 5-7 System board descriptions and part numbers (continued) Description Intel Pentium Silver N5030 processor, 4 GB system memory, and 64 GB eMMC memory, models with a backlit keyboard, no card reader Intel Pentium Silver N5000 processor, 8 GB system memory, and 128 GB eMMC memory Intel Pentium - HP Chromebook 14 inch 14a-na1000 | Maintenance and Service Guide - Page 42
backlight cable (ZIF) (5) ● Keyboard cable (ZIF) (6) ● Touchpad cable (ZIF) (7) ● USB board cable (ZIF) (8) ● USB board cable (ZIF) (9) 36 Chapter 5 Removal and replacement procedures for authorized service provider parts - HP Chromebook 14 inch 14a-na1000 | Maintenance and Service Guide - Page 43
2. Remove the six Phillips M2.0 × 3.5 screws (1) that secure the system board to the computer. 3. Lift the side of the system board (2), and then pull the system board to the left to remove it from the computer (3). Component replacement procedures 37 - HP Chromebook 14 inch 14a-na1000 | Maintenance and Service Guide - Page 44
on page 34). Remove the power connector cable: ▲ Disconnect the power connector cable from the system board. 38 Chapter 5 Removal and replacement procedures for authorized service provider parts - HP Chromebook 14 inch 14a-na1000 | Maintenance and Service Guide - Page 45
Reverse this procedure to install the power connector cable. Display assembly To remove and disassemble the display assembly, use these procedures and illustrations. NOTE: Display assemblies are offered as spare parts only at the subcomponent level. Before removing the display panel, follow these - HP Chromebook 14 inch 14a-na1000 | Maintenance and Service Guide - Page 46
open position (1). 4. Remove the four Phillips M2.5 × 5.5 screws (2) from the hinges. 5. Separate the display from the computer (3). 40 Chapter 5 Removal and replacement procedures for authorized service provider parts - HP Chromebook 14 inch 14a-na1000 | Maintenance and Service Guide - Page 47
6. If you need to remove the bezel: a. Flex the top (1), the left and right sides (2), and then the bottom of the bezel (3) to release it. b. Remove the bezel from the display (4). The bezel is available as the following spare part numbers: L91534-001: Ash grey L91535-001: Mineral silver M41237-001: - HP Chromebook 14 inch 14a-na1000 | Maintenance and Service Guide - Page 48
nits M74068-001: HD. antiglare, 250 nits M74069-001: HD. antiglare, Touch-on Panel (TOP), 250 nits 42 Chapter 5 Removal and replacement procedures for authorized service provider parts - HP Chromebook 14 inch 14a-na1000 | Maintenance and Service Guide - Page 49
c. Lift the tape from the connector on the back of the display panel (1), and then disconnect the cable from the panel (2). The display cable is available as spare part number L91539-001 for touch models and L91538-001 for nontouch models. 8. If you need to remove the camera module: a. Use a flat - HP Chromebook 14 inch 14a-na1000 | Maintenance and Service Guide - Page 50
hinges from the display rear cover (3). The display hinges are available as spare part number L91537-001. 44 Chapter 5 Removal and replacement procedures for authorized service provider parts - HP Chromebook 14 inch 14a-na1000 | Maintenance and Service Guide - Page 51
d. You must remove the display bracket to remove the wireless antennas. To remove the bracket, lift it straight up and off the display rear cover. e. For removal and reinstallation, note the display cable routing around the left hinge. Component replacement procedures 45 - HP Chromebook 14 inch 14a-na1000 | Maintenance and Service Guide - Page 52
(2). The cable is secured with adhesive. The camera cable is available as spare part number L91541-001. 46 Chapter 5 Removal and replacement procedures for authorized service provider parts - HP Chromebook 14 inch 14a-na1000 | Maintenance and Service Guide - Page 53
11. If you need to remove the wireless antennas, peel the antennas off the display rear cover (1), remove the antenna cables from the routing clips along the bottom and sides of the cover (2), and then remove the antennas and cables (3). The antennas and cables are available as spare part number - HP Chromebook 14 inch 14a-na1000 | Maintenance and Service Guide - Page 54
in country or region Spain United Kingdom -061 United States -291 Spare part number -071 -031 -001 48 Chapter 5 Removal and replacement procedures for authorized service provider parts - HP Chromebook 14 inch 14a-na1000 | 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 14a-na1000 | 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 14a-na1000 | 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 14a-na1000 | 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 14a-na1000 | Maintenance and Service Guide - Page 59
Table 7-2 Display specifications (continued) Metric U.S. Surface treatment Antiglare or BrightView Brightness HD: 220 nits FHD: 250 nits Viewing angle HD: SVA FHD: UWVA Backlight LED Display panel interface eDP Display specifications 53 - HP Chromebook 14 inch 14a-na1000 | 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 14a-na1000 | 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 14a-na1000 | 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 14a-na1000 | Maintenance and Service Guide - Page 63
keyboard product description 2 keyboard with top cover spare part numbers 47 keys esc 8 L labels Bluetooth 9 regulatory 9 serial number 9 service 9 wireless certification 9 WLAN 9 lights AC adapter and battery 4, 5 camera 6 M memory card reader, identifying 5 microphone (audio-in) jack, identifying - HP Chromebook 14 inch 14a-na1000 | Maintenance and Service Guide - Page 64
S serial number, computer 9 service labels, locating 9 spare part country codes 47 speaker removal 31 spare part numbers 31 speakers, identifying 7 specifications computer 52 display 52 hard drive 52 static electricity 18, 19 support information 24 system board removal 34 spare part numbers 34
Maintenance and Service Guide
SUMMARY
This guide provides information about spare parts, removal and replacement of parts, security, backing up, and more.