HP Chromebook Pro c640 G2 Maintenance And Service Manual
  1. Manuals
  2. Brands
  3. HP Manuals
  4. Laptop
  5. Chromebook Pro c640 G2
  6. Maintenance and service manual

HP Chromebook Pro c640 G2 Maintenance And Service Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
Maintenance and Service Guide
SUMMARY
This guide provides information about spare parts, removal and replacement of parts, security, backing up, and more.

Advertisement

Table of Contents
loading

Related Manuals for HP Chromebook Pro c640 G2

Summary of Contents for HP Chromebook Pro c640 G2

  • 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 Chrome, Chrome OS, Chromebook, Google, bound by the terms of the HP End User License Google Assistant, and Google Drive are Agreement (EULA). If you do not accept these trademarks of Google LLC.
  • 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...

  • 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 Computer specifications ............................52 35.6 cm (14.0 in) display specifications ......................52 8 Statement of memory volatility ........................54 Current BIOS steps ............................... 54 Nonvolatile memory usage ..........................56 Questions and answers ............................58 Using HP Sure Start (select products only) ......................59...
  • Page 7 9 Power cord set requirements ........................60 Requirements for all countries ..........................60 Requirements for specific countries and regions ....................60 10 Recycling ..............................62 Index ................................63...
  • Page 8 viii...

  • Page 9: Product Description

    Table 1-1 Product components and their descriptions Category Description Product Name HP Pro c640 G2 Chromebook™ Processors Intel® processors Intel Core™ i7-1185G7 (3.00 GHz base frequency, up to 4.30 GHz with Intel Turbo Boost Technology, 12 MB cache, 4 cores) Intel Core i7-1165G7 (2.80 GHz base frequency, up to 4.70 GHz with Intel Turbo Boost Technology, 12 MB...
  • Page 10 Full size, island style, 3-coat paint, backlit, with or without fingerprint reader Clickpad requirements Multitouch gestures enabled Taps enabled as default Power requirements Battery 3 cell, 58 Whr, polymer, HP Long Life, fast charge AC adapter, USB Type-C 65 W, nPFC, straight, 1.8 m (6 ft) Chapter 1 Product description...
  • Page 11 Table 1-1 Product components and their descriptions (continued) Category Description 45 W, nPFC, straight, 1.8 m (6 ft) Power cord C5, 1 m (3.3 ft) Security Fingerprint sensor (select products only) Camera privacy cover H1 Secure Microcontroller Operating system Google® Chrome™ 64 Serviceability End user replaceable parts AC adapter...

  • Page 12: Components

    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 descriptions Component Description...

  • Page 13: Left

    Table 2-1 Right-side components and their descriptions (continued) Component Description 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 – Connects a USB device, provides high-speed data transfer, and (for select products) charges small devices (such as a smartphone) when the computer is on or in Sleep mode.

  • Page 14: Display

    Table 2-2 Left-side components and their descriptions (continued) Component Description 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 a USB device, provides high-speed data transfer, and (for select products) charges small devices (such as a smartphone) when the computer is on or in Sleep mode.

  • Page 15: Keyboard Area

    Table 2-3 Display components and their descriptions (continued) Component Description Camera light On (white): The camera is in use. On (amber): The camera is turned off by the switch. Off: The camera is turned off by the software. 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.

  • Page 16: Speakers And Fingerprint Reader

    Speakers and fingerprint reader Speakers are located on the right and left of the keyboard. Fingerprint readers can be located on the touchpad, on a side panel of the computer, or on the top cover below the keyboard. Table 2-5 Speakers and fingerprint reader and their descriptions Component Description...

  • Page 17: Bottom

    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. Action keys Execute frequently used system functions. Power key When the computer is off, press the button briefly to turn ●...

  • Page 18: 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 2-8 Service label components Component Serial number Product ID HP product name and model number Table 2-9 Service label components Component HP product name Model number Product ID...
  • Page 19 Table 2-10 Service label components Component HP product name Model number Warranty period Product ID Serial number Regulatory labels—Provide regulatory information about the computer. ● Wireless certification labels—Provide information about optional wireless devices and the approval ● markings for the countries or regions in which the devices have been approved for use.

  • Page 20: 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 21 Table 3-1 Computer major component descriptions and part numbers Item Component Spare part number Display assembly NOTE: Display assemblies are available as spare parts only at the subcomponent level. Top cover with keyboard Backlit M57281-xx1 Backlit, fingerprint sensor M57282-xx1 Not backlit M57283-xx1 Not backlit, fingerprint sensor M57284-xx1...

  • Page 22: Display Assembly Subcomponents

    Table 3-1 Computer major component descriptions and part numbers (continued) Item Component Spare part number NOTE: USB board cables are available in as spare part number M57285-001 for HS and M57286-001 for LS. Bottom cover M31754-001 Fingerprint reader bracket (available in the Bracket Kit) M12524-001 Fingerprint sensor board (includes cable) M31755-001...
  • Page 23 Table 3-2 Display component descriptions and part numbers Item Component Spare part number Display bezel M59381-001 Display panel FHD, nontouch M57293-001 FHD, touch M57294-001 HD, nontouch M57295-001 HD, touch M57296-001 Top bracket M00700-001 Hinges (left and right) M77032-001 Display cable Nontouch M57292-001 Touch...

  • Page 24: Miscellaneous Parts

    Table 3-2 Display component descriptions and part numbers (continued) Item Component Spare part number Camera module M00442-001 (10) Display back cover (includes dual antennas) M00439-001 Display Adhesive Tape Kit (includes cover tape and bezel tape, not illustrated) M57290-001 Miscellaneous parts To identify the miscellaneous parts, use this table.
  • Page 25 Table 3-3 Miscellaneous part descriptions and part numbers (continued) Component Spare part number The United Kingdom L19373-001 Duckhead power cord Japan L33157-001 Miscellaneous parts...

  • Page 26: 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 27: 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 28: 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 29: 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 30: 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 31: 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 32: 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 33 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.

  • Page 34: 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 50 screws when you service the parts described in this chapter.

  • Page 35: Battery

    Use a nonmarking, nonconductive tool near the hinges (1) to release the bottom cover from the computer (2). Remove the bottom cover from the computer (3). To replace the bottom cover, reverse the removal procedures. Battery To remove the battery, use this procedure and illustration. Table 5-2 Battery description and part number Description...
  • Page 36 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 37: Solid-State Drive

    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 Spare part number Solid-state drive, 256 GB M11042-002 Solid-state drive, 128 GB M11040-002 Before removing the solid-state drive, follow these steps: Prepare the computer for disassembly (see Preparation for disassembly on page 26).

  • Page 38: Touchpad

    Prepare the computer for disassembly (see Preparation for disassembly on page 26). Remove the bottom cover (see Bottom cover on page 26). Remove the battery (see Battery on page 27). Remove the speakers: Disconnect the speaker cable from the system board (1). Remove the Phillips M2.0 ×...
  • Page 39 Remove the four Phillips M2.0 × 2.5 screws (1) that secure the touchpad bracket to the computer. Remove the bracket from the computer (2). Lift the tape that covers the touchpad (1). Disconnect the cable from the ZIF connector on the touchpad (2). Remove the protective shielding from the top of the touchpad (3).

  • Page 40: Fingerprint Sensor Board

    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 Spare part number Fingerprint sensor board (includes cable) M31755-001 Fingerprint sensor bracket (available in the Bracket Kit) M12524-001 Before removing the fingerprint sensor board, follow these steps: Prepare the computer for disassembly (see...

  • Page 41: Heat Sink

    Table 5-7 Fan description and part number Description Spare part number Fan assembly M02014-001 Before removing the fan, follow these steps: Prepare the computer for disassembly (see Preparation for disassembly on page 26). Remove the bottom cover (see Bottom cover on page 26).
  • Page 42 Prepare the computer for disassembly (see Preparation for disassembly on page 26). Remove the bottom cover (see Bottom cover on page 26). Remove the battery (see Battery on page 27). Remove the heat sink: In the order indicated on the heat sink, remove the four Phillips M2.0 × 2.0 screws (1), and then remove the heat sink from the computer (2).

  • Page 43: Lock Bracket

    Thoroughly clean the thermal material from the surfaces of the heat sink and the system board components each time the heat sink is removed. Replacement thermal material is included with the heat sink and system board spare part kits. The following illustration shows the replacement thermal material locations.

  • Page 44: Usb Board

    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 5-10 USB board description and part number Description Spare part number USB board M57287-001 USB board cable, HS M57285-001...

  • Page 45: Usb Door

    Remove the board from the computer (4). Reverse this procedure to install the USB board. USB door To remove the USB door, use this procedure and illustration. Table 5-11 USB door description and part number Description Spare part number USB door, left M00444-001 USB door, right M00445-001...

  • Page 46: System Board

    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 5-12 System board descriptions and part numbers Description...
  • Page 47 Table 5-12 System board descriptions and part numbers (continued) Description Spare part number Intel Pentium G7505 processor, 8 GB of system memory, 64 GB of eMMC memory (models with a M57280-001 fingerprint sensor) Intel Celeron 6305 processor, 8 GB of system memory, 64 GB of eMMC memory (models with a fingerprint M57269-001 sensor) Intel Celeron 6305 processor, 4 GB of system memory, 64 GB of eMMC memory (models without a...

  • Page 48: Display Assembly

    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, follow these steps: Prepare the computer for disassembly (see Preparation for disassembly on page...
  • Page 49 Remove the camera cable and one antenna cable from their routing at the top of the chassis (6). Remove the four Phillips M2.5 × 4.5 screws (1) that secure the display to the computer. Open the computer to open the hinges (2). Separate the computer from the display (3).
  • Page 50 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 M00441-001. If you need to remove the display panel: Lift the bottom of the panel (1).
  • Page 51 Rotate the display panel over and place it next to the display enclosure. Display panels are available as the following spare part numbers: M57293-001: FHD, nontouch M57294-001: FHD, touch M57295-001: HD, nontouch M57296-001: HD, touch Disconnect the cable from the panel (1). Remove the panel (2).
  • Page 52 If you need to remove the display cable: Remove the cable from the right hinge and along the bottom of the display back cover. The display ▲ cable is available as spare part number M57292-001 for nontouch models and M57291-001 for touch models.
  • Page 53 Lift the latch on the reverse ZIF connector on the camera module (1), and then disconnect the cable (2). The camera module is available as spare part number M00442-001. The camera cable is available as spare part number M12614-001. If you need to remove the hinges from the display: Remove the two Phillips broad head M2.5 ×...
  • Page 54 If you need to remove the top display bracket from the display: Remove the four Phillips broadhead M2.0 × 2.5 screws (1) from the bracket. Remove the bracket from the display (2). The bracket is available as spare part number M00700-001. Chapter 5 Removal and replacement procedures for authorized service provider parts...

  • Page 55: Keyboard With Top Cover

    If you need to remove the antenna cables, remove the cables from the clips on the inside of the cover (1), and then peel the antennas off the cover to remove them (2). Antenna cables are available as spare part number M00435-001. The display back cover with dual antennas is available as spare part number M00439-001.
  • Page 56 Table 5-14 Spare part country codes (continued) For use in country or Spare part For use in country or Spare part For use in country or Spare part region number region number region number Czech Republic/Slovakia -FL1 Italy -061 Switzerland -BG1 Denmark -081...

  • Page 57: 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 58: 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 59: 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 60: 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 61 Table 7-2 Display specifications Metric U.S. Active diagonal size 35.6 cm 14.0 in Resolution 1920 × 1080 (FHD) 1368 × 766 (HD) Surface treatment Antiglare Brightness 250 nits Viewing angle UWVA (FHD panels) SVA (HD panels) Backlight WLED Display panel interface 35.6 cm (14.0 in) display specifications...

  • Page 62: Statement Of Memory Volatility

    No applications, features, or functionality were added to or installed on the system. ● Following system shutdown and removal of all power sources from an HP business computer system, personal data can remain on volatile system memory (DIMMs) for a finite period of time and also remains in nonvolatile memory.
  • Page 63 If a DriveLock password is set, select the Security menu, and scroll down to Hard Drive Utilities under the Utilities menu. Select Hard Drive Utilities, select DriveLock, and then clear the check box for DriveLock password on restart. Select OK to proceed. Select the Main menu, and then select Reset BIOS Security to factory default.

  • Page 64: Nonvolatile Memory Usage

    HP Sure Start only) backup of The content is managed Embedded Controller. critical System solely by the HP Sure Start BIOS code, EC Embedded Controller. firmware, and critical computer configuration data for select...
  • Page 65 How is this memory memory type Amount (Size) data? is removed? memory? memory? write-protected? on the HP website; go to http://www.hp.com/ support. Select Find your product, and then follow the on-screen instructions. Intel Management 1.5 MB or 7 MB Stores...

  • Page 66: Questions And Answers

    HP has provided options in Computer Setup (BIOS) to allow you to run in legacy BIOS, if required by the operating system. Examples of this requirement would be if you upgrade or downgrade the OS.

  • Page 67: Using Hp Sure Start (Select Products Only)

    BIOS for attacks or corruption. If the BIOS becomes corrupted or is attacked, HP Sure Start restores the BIOS to its previously safe state, without user intervention. Those select computer models ship with HP Sure Start configured and enabled. HP Sure Start is configured and already enabled so that most users can use the HP Sure Start default configuration.

  • Page 68: 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 69 Table 9-1 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...

  • Page 70: 10 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 71: Index

    23 number 16 removal 33 HP Easy Clean 22 spare part numbers 33 removing dirt and debris 22 HP Sure Start 54, 59 nonvolatile memory 54 components bottom 9 display 6 illustrated parts catalog 12 packaging guidelines 18, 24...
  • Page 72 USB SuperSpeed 5 system board USB Type-C power connector and removal 38 SuperSpeed port 5, 6 spare part numbers 38 power button, identifying 9 system memory, removing personal power cord data from volatile 54 requirements for all countries system recovery Chrome operating system 50 requirements for specific Chromebook Recovery Utility 50...

Table of Contents