Related Manuals for HP Chromebook 14a
Summary of Contents for HP Chromebook 14a
- Page 1 Maintenance and Service Guide SUMMARY This guide provides information about spare parts, removal and replacement of parts, security, backing up, and more.
- Page 2 Intel, Celeron, and Pentium are trademarks of bound by the terms of the HP End User License Intel Corporation or its subsidiaries in the U.S. Agreement (EULA). If you do not accept these and/or other countries.
- 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 computer air vents. Use the computer only on a hard, flat surface.
- Page 4 Safety warning notice...
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Page 5: Table Of Contents
Grounding the work area ........................21 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 Cleaning your computer with a disinfectant ..................23 Caring for wood veneer (select products only) ................. - 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 ............................
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Page 7: Product Description
Product components and their descriptions Category Description Product Name HP Chromebook™ 14a Model numbers: 14a-na0xxx, 14a-na1xxx CTO Model: 14at-na000, 14at-na100 Processor Intel® Pentium® Silver Processor N5030 (1.1 GHz, turbo up to 3.1 GHz, 2400 MHz FSB, 4 MB L2 cache, quad core, 6 W;... - Page 8 Integrated wireless options with dual antennas Realtek RTL8822CE 802.11b/g/n/a/ac (2 × 2) MU-MIMO supported and Bluetooth® 5.0 Intel Wi-Fi 6 AX201 802.11ax (2 × 2) and Bluetooth 5 Media card reader HP Multi-Format Digital Media Card Reader Supports microSD™, SDHC™, SDXC™ Push-push insertion/removal Ports Audio-out (headphone)/audio-in (microphone) combo jack (2) USB 3.2 Type C...
- Page 9 Table 1-1 Product components and their descriptions (continued) Category Description Serviceability End user replaceable parts AC adapter...
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Page 10: Components
Blinking amber: The battery has an error. Off: The battery is not charging. ● USB SuperSpeed 5 Gbps port with HP Sleep Connects a USB device, provides high-speed data transfer, and Charge and charges small devices (such as a smartphone), even when the computer is off. -
Page 11: Left
Left Use the illustration and table to identify the components on the left side of the computer. Table 2-2 Left-side components and their descriptions Component Description Audio-out (headphone)/Audio-in (microphone) Connects optional powered stereo speakers, headphones, combo jack earbuds, a headset, or a television audio cable. Also connects an optional headset microphone. -
Page 12: Display
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 Component Description... -
Page 13: Keyboard Area
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 located on the right and left of the keyboard. -
Page 14: Special Keys
Table 2-5 Speakers and their description Component Description Speakers Produce sound. Special keys Use the illustration and table to locate the special keys. Table 2-6 Special keys and their descriptions Component Description Activates certain computer functions when pressed in combination with other keys, such as or shift. -
Page 15: Labels
Your service label will resemble one of the following examples. Refer to the illustration that most closely matches the service label on your computer. Table 2-7 Service label components Component Serial number Product ID HP product name and model number Labels... - Page 16 Table 2-8 Service label components Component HP product name Model number Product ID Serial number Warranty period Table 2-9 Service label components Component HP product name Model number Warranty period Product ID Serial number Regulatory labels—Provide regulatory information about the computer.
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Page 17: Illustrated Parts Catalog
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. - Page 18 Table 3-1 Computer major component descriptions and part numbers Item Component Spare part number Display assembly NOTE: Display assemblies are spared only at the subcomponent level. Top cover with keyboard Snow white; no backlight L91515-xx1 Snow white; backlit L91516-xx1 Ash grey; no backlight L91511-xx1 Ash grey;...
- 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 Intel Pentium Silver N5030 processor, 8 GB system memory, and 128 GB eMMC memory L91521-001...
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Page 20: Display Assembly Subcomponents
Table 3-1 Computer major component descriptions and part numbers (continued) Item Component Spare part number Intel Celeron N4020 processor, 4 GB system memory, and 32 GB eMMC memory, models with a M21210-001 backlit keyboard Intel Celeron N4020 processor, 4 GB system memory, and 32 GB eMMC memory, models with a M75853-001 backlit keyboard, no card reader Intel Celeron N4020 processor, 4 GB system memory, and 32 GB eMMC memory, no card reader... - Page 21 Table 3-2 Display component descriptions and part numbers Item Component Spare part number Display bezel Ash grey L91534-001 Mineral silver L91535-001 Pale rose gold M41237-001 Display panel FHD, antiglare, 250 nits L91591-001 FHD, antiglare, touch-on panel (TOP), 250 nits L91592-001 HD, antiglare, 220 nits L91593-001 HD, BrightView, Touch-on Panel (TOP), 220 nits...
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Page 22: Cables
Table 3-2 Display component descriptions and part numbers (continued) Item Component Spare part number Wireless antennas (dual) (includes display tape) L91533-001 Camera cable L91541-001 Display back cover (includes wireless antennas) Forest teal L91529-001 Mineral silver L91530-001 Ceramic white L91531-001 Pale rose gold M41236-001 Cables To identify the cables, use this illustration and table. - Page 23 L43407-001 Screw Kit L91542-001 Screw protective tape L91525-001 Mouse HP X3000 wireless mouse 684978-001 HP Z3700 wireless mouse, glossy white 850859-011 HP Z3700 wireless mouse, natural silver L74366-201 HP 220 wireless mouse L13996-001 HP sleeve, black L67189-001 Power adapter for use in Japan (C5)
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Page 24: Removal And Replacement Procedures Preliminary Requirements
Removal and replacement procedures preliminary requirements Use this information to properly prepare to disassemble and reassemble the computer. Tools required You need the following tools to complete the removal and replacement procedures: Tweezers ● Nonconductive, nonmarking pry tool ● Magnetic Phillips P1 screwdriver ●... -
Page 25: Electrostatic Discharge Information
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, turn the computer on, and then shut it down through the operating system. -
Page 26: Preventing Electrostatic Damage To Equipment
Table 4-1 Static electricity occurrence based on activity and humidity (continued) Relative humidity Event Walking across vinyl floor 3,000 V 5,000 V 12,000 V Motions of bench worker 400 V 800 V 6,000 V Removing DIPs (dual in-line packages) from plastic tube 400 V 700 V 2,000 V... -
Page 27: Grounding The Work Area
Use conductive field service tools, such as cutters, screwdrivers, and vacuums. ● Avoid contact with pins, leads, or circuitry. Recommended materials and equipment HP recommends certain materials and equipment to prevent static electricity. Antistatic tape ● Antistatic smocks, aprons, or sleeve protectors ●... -
Page 28: Cleaning Your Computer
Enabling HP Easy Clean (select products only) HP Easy Clean helps you to avoid accidental input while you clean the computer surfaces. This software disables devices such as the keyboard, touch screen, and touchpad for a preset amount of time so that you can clean all computer surfaces. -
Page 29: Cleaning Your Computer With A Disinfectant
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 peroxide or bleach that might damage the finish. -
Page 30: Caring For Wood Veneer (Select Products Only)
When grounding 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... - Page 31 Search collect Chrome device logs. Technical bulletins To locate technical bulletins: Go to www.hp.com. Place the cursor over Problem solving to display more options. Select Support & Troubleshooting. Type the serial number, product number, or product name to go to the product support page.
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Page 32: Removal And Replacement Procedures For Authorized Service Provider Parts
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. You must remove, replace, or loosen as many as 46 screws when you service the parts described in this chapter. - Page 33 Remove the bottom cover: Peel the two rubber strips (1) and remove the two screw covers (2) from the bottom cover. Remove the eight Phillips M2.0 × 5.0 screws (3) from the bottom of the computer. Starting near the hinge, use a tool and work around the edges to release the bottom cover from the computer (1).
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Page 34: Battery
WARNING! To reduce potential safety issues, use only the user-replaceable battery provided with the computer, a replacement battery provided by HP, or a compatible battery purchased from HP. IMPORTANT: Removing a battery that is the sole power source for the computer can cause loss of information. -
Page 35: Wlan Module
Remove the battery from the computer (5). To replace the battery, reverse the removal procedures. WLAN module To remove the WLAN module, use this procedure and illustration. Table 5-3 WLAN module descriptions and part numbers Description Spare part number Realtek RTL8822CE 802.11b/g/n/a/ac (2 × 2) MU-MIMO supported and Bluetooth 5.0 L44796-005 Intel Wi-Fi 6 AX201-W + Bluetooth 5 (non-vPro) L92724-005... - Page 36 Carefully disconnect the antenna cables from the module (1). NOTE: The #1 white WLAN antenna cable connects to the WLAN module #1 Main terminal. The #2 black WLAN antenna cable connects to the WLAN module #1 Aux terminal. Remove the Phillips M2.0 × 2.5 screw (2). Remove the WLAN module from the socket (3).
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Page 37: Speakers
Speakers To remove the speakers, use this procedure and illustration. Table 5-4 Speaker description and part number Description Spare part number Speaker Kit L91528-001 Before removing the speakers, follow these steps: Prepare the computer for disassembly (see Preparation for disassembly on page 26). - Page 38 Table 5-5 Touchpad description and part number Description Spare part number Touchpad for use in models with Celeron N4000/N4020 or Pentium Silver N5030 processors L91526-001 Touchpad for use in models with Pentium Silver N6000 or Celeron N4500 processors M74070-001 Touchpad cable L91527-001 Before removing the touchpad, follow these steps: Prepare the computer for disassembly (see...
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Page 39: Usb Board
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 Spare part number USB board for use in models with Celeron N4000/N4020 or Pentium Silver N5030 processors L91522-001 USB board for use in models with Pentium Silver N6000 or Celeron N4500 processors M74071-001... -
Page 40: System Board
Disconnect the top cable from the USB board (1). Disconnect the two flat ribbon cables from the two reverse ZIF connectors on the USB board (2). Remove the four Phillips M2.0 × 3.5 screws (3) that secure the board to the computer. Remove the board from the computer (4). - Page 41 Table 5-7 System board descriptions and part numbers (continued) Description Spare part number Intel Pentium Silver N5030 processor, 4 GB system memory, and 64 GB eMMC memory, models with a M75855-001 backlit keyboard, no card reader Intel Pentium Silver N5000 processor, 8 GB system memory, and 128 GB eMMC memory M03106-001 Intel Pentium Silver N5000 processor, 8 GB system memory, and 128 GB eMMC memory, models with a M03111-001...
- Page 42 Table 5-7 System board descriptions and part numbers (continued) Description Spare part number Intel Celeron N4000 processor, 4 GB system memory, and 32 GB eMMC memory, models with a backlit M03107-001 keyboard Thermal pad, system board L76600-001 Before removing the system board, follow these steps: Prepare the computer for disassembly (see Preparation for disassembly on page 26).
- Page 43 Remove the six Phillips M2.0 × 3.5 screws (1) that secure the system board to the computer. 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...
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Page 44: Power Connector (Dc In) Cable
When installing a system board, make sure the thermal pad is installed as shown in the following illustration. Reverse this procedure to install the system board. Power connector (DC in) cable To remove the power connector cable, use these procedures and illustrations. Table 5-8 Power connector cable descriptions and part numbers Description... -
Page 45: Display Assembly
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 steps: Prepare the computer for disassembly (see Preparation for disassembly on page 26). - Page 46 Disconnect the display cable (3) and the camera cable (4) from the system board. Open the display until the hinges are in the open position (1). Remove the four Phillips M2.5 × 5.5 screws (2) from the hinges. Separate the display from the computer (3). Chapter 5 Removal and replacement procedures for authorized service provider parts...
- Page 47 If you need to remove the bezel: Flex the top (1), the left and right sides (2), and then the bottom of the bezel (3) to release it. 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: Pale rose gold...
- Page 48 Rotate the display panel over and place it next to the display rear cover (3). Display panels are available as the following spare part numbers: L91591-001: FHD, antiglare, 250 nits L91592-001: FHD, antiglare, Touch-on Panel (TOP), 250 nits L91593-001: HD, antiglare, 220 nits L91594-001: HD, BrightView, Touch-on Panel (TOP), 220 nits M74068-001: HD.
- Page 49 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. If you need to remove the camera module: Use a flat tool to lift up evenly across the camera module to remove it from the display rear cover (1).
- Page 50 Disconnect the cable from the camera module (2). The camera module is available as spare part number L91540-001. If you need to remove the display hinges: Remove the Phillips M2.0 × 2.5 screw (1) from the top of each hinge bracket. Remove the three Phillips M2.5 ×...
- Page 51 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. For removal and reinstallation, note the display cable routing around the left hinge. Component replacement procedures...
- Page 52 For removal and reinstallation, note the antenna cable routing around the right hinge. If you need to remove the camera cable, remove the cable from the routing along the bottom of the display rear cover (1), and then peel the camera cable off the cover (2). The cable is secured with adhesive.
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Page 53: Keyboard With Top Cover
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 L91533-001. - Page 54 Table 5-9 Keyboard with top cover descriptions and part numbers (continued) Description Spare part number Jet black, backlit, no B&O logo on top cover M74073-xx1 Snow white, no backlight, no B&O logo on top cover M74074-xx1 Snow white, backlit, no B&O logo on top cover M74075-xx1 Natural silver, no backlight, no B&O logo on top cover M75313-xx1...
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Page 55: Backing Up, Resetting, And Recovering
Backing up, resetting, and recovering This chapter provides information about the standard procedures of backing up your personal data, resetting your computer to original factory conditions, and recovering your operating system with the Chromebook Recovery Utility. Backing up You can back up your data to an optional USB flash drive or SD memory card or through Google Drive™. For detailed information about creating a backup, go to http://www.support.google.com. -
Page 56: Installing The Chromebook Recovery Utility
NOTE: For more information about performing a system recovery on your computer, go to http://www.support.google.com. Before you begin the recovery process, you need the following prerequisites: A USB flash drive or SD memory card with a capacity of 4 GB or greater. All data is erased from this ●... -
Page 57: Setting Up Your Computer After A Reset Or Recovery
NOTE: If you need to cancel the recovery during the verification process, press and hold the power button until the computer turns off. Do not disrupt the system recovery process after the verification step is complete. NOTE: If an error message is displayed, you might need to run the Chrome Recovery Utility again or use a different USB flash drive or SD memory card. -
Page 58: Specifications
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 helpful information. Table 7-1 Computer specifications Metric U.S. - 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 Display panel interface Display specifications...
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Page 60: Power Cord Set Requirements
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 the computer meets the requirements for use in the country or region where the equipment is purchased. - Page 61 Table 8-1 Power cord requirements for specific countries and regions (continued) Country/region Accredited agency Applicable note number India Israel Italy Japan Netherlands KEMA New Zealand SANZ Norway NEMKO People's Republic of China Saudi Arabia SASO Singapore South Africa SABS South Korea Sweden SEMKO Switzerland...
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Page 62: Recycling
Follow the local laws and regulations in your area for battery disposal. HP encourages customers to recycle used electronic hardware, HP original print cartridges, and rechargeable batteries. For more information about recycling programs, see the HP website at http://www.hp.com/recycle. -
Page 63: Index
24 product name and number, product description 2 disinfecting 23 computer 9 keyboard with top cover HP Easy Clean 22 spare part numbers 47 removing dirt and debris 22 keys recovery media components esc 8... - Page 64 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 system recovery...