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Lenovo ThinkPad C14 Hardware Maintenance Manual

Gen 1 chromebook
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Lenovo ThinkPad C14 Gen 1 Chromebook
Hardware Maintenance Manual

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Summary of Contents for Lenovo ThinkPad C14

  • Page 1 Lenovo ThinkPad C14 Gen 1 Chromebook Hardware Maintenance Manual...
  • Page 2 First Edition (June 2022) © Copyright Lenovo 2022. LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered pursuant to a General Services Administration “GSA” contract, use, reproduction, or disclosure is subject to restrictions set forth in Contract No. GS-...

  • Page 3: Table Of Contents

    Service tool kit ....Appendix A. Notices ..71 Screw notices ....© Copyright Lenovo 2022...
  • Page 4 Lenovo ThinkPad C14 Gen 1 Chromebook Hardware Maintenance Manual...

  • Page 5: About This Manual

    Use this manual along with the advanced diagnostic tests to troubleshoot problems. Important: • This manual is intended only for trained service technicians who are familiar with Lenovo products. Use this manual along with the advanced diagnostic tests to troubleshoot problems effectively.
  • Page 6 Lenovo ThinkPad C14 Gen 1 Chromebook Hardware Maintenance Manual...

  • Page 7: Chapter 1. Safety Information

    • Fan louvers on the machine help to prevent overheating of internal components. Do not obstruct fan louvers or cover them with labels or stickers. Electrical safety Observe the following rules when working on electrical equipment. © Copyright Lenovo 2022...
  • Page 8 This practice ensures correct grounding of the units. • If an electrical accident occurs: – Use caution; do not become a victim yourself. – Switch off power. – Send another person to get medical aid. Lenovo ThinkPad C14 Gen 1 Chromebook Hardware Maintenance Manual...

  • Page 9: Safety Inspection Guide

    4. Check for cracked or bulging batteries. 5. Remove the cover. 6. Check for any obvious non-ThinkPad / non-Lenovo alterations. Use good judgment as to the safety of any non-ThinkPad / non-Lenovo alterations. 7. Check inside the unit for any obvious unsafe conditions, such as metal filings, contamination, water or other liquids, or signs of fire or smoke damage.

  • Page 10: Grounding Requirements

    The safety notices in this section are provided in the following languages: • English • Arabic • Brazilian Portuguese • French • German • Hebrew • Japanese • Korean • Spanish • Traditional Chinese DANGER Lenovo ThinkPad C14 Gen 1 Chromebook Hardware Maintenance Manual...
  • Page 11 DANGER DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 12 DANGER Lenovo ThinkPad C14 Gen 1 Chromebook Hardware Maintenance Manual...
  • Page 13 PERIGO Chapter 1 Safety information...
  • Page 14 PERIGO PERIGO PERIGO PERIGO Lenovo ThinkPad C14 Gen 1 Chromebook Hardware Maintenance Manual...
  • Page 15 PERIGO PERIGO PERIGO DANGER DANGER Chapter 1 Safety information...
  • Page 16 DANGER DANGER DANGER DANGER DANGER Lenovo ThinkPad C14 Gen 1 Chromebook Hardware Maintenance Manual...
  • Page 17 DANGER VORSICHT VORSICHT VORSICHT VORSICHT Chapter 1 Safety information...
  • Page 18 VORSICHT VORSICHT VORSICHT VORSICHT Lenovo ThinkPad C14 Gen 1 Chromebook Hardware Maintenance Manual...
  • Page 19 Chapter 1 Safety information...
  • Page 20 Lenovo ThinkPad C14 Gen 1 Chromebook Hardware Maintenance Manual...
  • Page 21 Chapter 1 Safety information...
  • Page 22 Lenovo ThinkPad C14 Gen 1 Chromebook Hardware Maintenance Manual...
  • Page 23 Chapter 1 Safety information...
  • Page 24 Lenovo ThinkPad C14 Gen 1 Chromebook Hardware Maintenance Manual...
  • Page 25 Chapter 1 Safety information...
  • Page 26 Lenovo ThinkPad C14 Gen 1 Chromebook Hardware Maintenance Manual...

  • Page 27: Chapter 2. General Checkout

    The following are not covered under warranty: • LCD panel cracked from the application of excessive force or from being dropped • Scratched (cosmetic) parts • Distortion, deformation, or discoloration of the cosmetic parts © Copyright Lenovo 2022...

  • Page 28: Power System Checkout

    This computer supports only batteries specially designed for this specific system and manufactured by Lenovo or an authorized builder. The system does not support unauthorized batteries or batteries designed for other systems. If an unauthorized battery or a battery designed for another systems is installed, the system will not charge.
  • Page 29 4. Check the battery status icon again. If the same error still exists, replace the system board. Chapter 2 General checkout...
  • Page 30 Lenovo ThinkPad C14 Gen 1 Chromebook Hardware Maintenance Manual...

  • Page 31: Chapter 3. Create And Use A Usb Repair Shim

    Step 2. Download the image file of the repair shim from . A Lenovo service https://support.lenovo.com credential is required to download the image file. Note: Make sure to download the latest version of the image file. A shim created with an earlier version of the image file might cause the repair process to fail.

  • Page 32: Use The Usb Repair Shim

    The Chromebook system cannot be finalized until the write-protect function is malfunction turned on. Note: You can terminate the GRT when the tests have to be bypassed because they cannot be performed. To end the process, press f. Lenovo ThinkPad C14 Gen 1 Chromebook Hardware Maintenance Manual...

  • Page 33: Chapter 4. Locations

    Chapter 4. Locations Locating controls and connectors Front Webcam privacy shutter Camera Microphone Touch screen* Power button/Fingerprint reader* Speaker ® TrackPoint pointing stick TrackPoint buttons Touchpad * for selected models © Copyright Lenovo 2022...

  • Page 34: Left And Right

    Left and right ® ™ Security-lock slot USB-C (Thunderbolt 4*) connector USB 3.2 Gen 2 connector Audio connector microSD-card reader * for selected models Lenovo ThinkPad C14 Gen 1 Chromebook Hardware Maintenance Manual...

  • Page 35: Bottom

    Bottom Nano-SIM-card tray* Chapter 4 Locations...

  • Page 36: Locating Frus And Crus

    CRUs, you can either install the CRU yourself or you can request that a Service Provider install the CRU according to the warranty service for your product. If you intend on installing the CRU, Lenovo will ship the CRU to you. CRU information and replacement instructions are shipped with your product and are available from Lenovo at any time upon request.

  • Page 37: Major Frus And Crus

    Major FRUs and CRUs Note: Depending on the Chromebook model, your Chromebook might look different from the illustration above. Table 2. Major FRUs and CRUs FRU description Self-service Optional-service LCD unit Power button with bracket and fingerprint reader* Power button with bracket Fingerprint reader cable* Speaker NFC cable*...
  • Page 38 Dummy SIM card* Nano-SIM-card tray* Battery pack I/O bracket System board Smart card dummy door Trackpad cable Trackpad Keyboard Power cord ac power adapter Screw kit Label kit * for selected models Lenovo ThinkPad C14 Gen 1 Chromebook Hardware Maintenance Manual...

  • Page 39: Lcd Frus And Crus

    LCD FRUs and CRUs Note: Depending on the Chromebook model, your Chromebook might look different from the illustration above. Table 3. LCD FRUs and CRUs FRU description Self-service Optional-service LCD bezel LCD cable Microphone rubbers Camera and microphone module* LCD cover assembly LCD elastic adhesive tapes LCD hinge LCD panel...

  • Page 40: Miscellaneous Parts

    • LCD unit tape pack • Conductive tape • Spec Label kit: • Label • Spec Looking up FRU information For detailed FRU information, including part numbers, descriptions, and substitution part numbers, go to: https://support.lenovo.com/partslookup Lenovo ThinkPad C14 Gen 1 Chromebook Hardware Maintenance Manual...

  • Page 41: Chapter 5. Fru Replacement Notices

    • Keep the screw kit in your tool bag. For the part number of the screw kit, go to: https://support.lenovo.com/partslookup Tighten screws as follows: • Plastic to plastic Turn an additional angle of 90 degrees after the screw head touches the surface of the plastic part. © Copyright Lenovo 2022...
  • Page 42 • Ensure that you use the correct screw. It is recommended to use new screws for replacements. If you have a torque screwdriver, tighten all screws firmly to the torque specified in the screw information table for each step. • Ensure torque screwdrivers are calibrated correctly following country specifications. Lenovo ThinkPad C14 Gen 1 Chromebook Hardware Maintenance Manual...

  • Page 43: Chapter 6. Removing Or Replacing A Fru

    Chromebook. Note: Power supply from the built-in battery will resume after you reconnect the Chromebook to the ac power adapter. © Copyright Lenovo 2022...

  • Page 44: Removing Microsd Card, Sim-Card And Sim-Card Tray

    Note: You might be instructed to slide the keyboard frame forward or backward in some of the following steps. In this case, ensure that you do not press or hold the keys while sliding the keyboard frame. Otherwise, the keyboard frame cannot be moved. Lenovo ThinkPad C14 Gen 1 Chromebook Hardware Maintenance Manual...
  • Page 45 Removal steps of the keyboard Chapter 6 Removing or replacing a FRU...
  • Page 46 Installation steps of the keyboard Lenovo ThinkPad C14 Gen 1 Chromebook Hardware Maintenance Manual...
  • Page 47 Chapter 6 Removing or replacing a FRU...

  • Page 48: 1020 Base Cover Assembly

    1020 Base cover assembly Removal steps of the base cover assembly Lenovo ThinkPad C14 Gen 1 Chromebook Hardware Maintenance Manual...
  • Page 49 Chapter 6 Removing or replacing a FRU...

  • Page 50: 1030 M.2 Solid-State Drive

    When handling the M.2 solid-state drive, observe the following guidelines: • Replace the M.2 solid-state drive only for upgrade or repair. The M.2 solid-state drive is not designed for frequent changes or replacement. Lenovo ThinkPad C14 Gen 1 Chromebook Hardware Maintenance Manual...

  • Page 51: 1040 Wireless Wan Card (For Selected Models)

    If your Chromebook is installed with a hybrid solid-state drive (with Intel Optane memory), go to https:// support.lenovo.com/docs/tg_ssd to know the details on how to replace it. Removal steps of the M.2 solid-state drive...

  • Page 52: 1050 Wireless Lan Card

    M1 connector, and the black and grey cable to the M2 connector. 1050 Wireless LAN card For access, remove this FRU: • “1020 Base cover assembly” on page 42 Lenovo ThinkPad C14 Gen 1 Chromebook Hardware Maintenance Manual...

  • Page 53: 1060 Speaker

    Removal steps of the Wireless LAN card Step Screw (quantity) Color Torque 0.181 Nm M2 × 2 mm, flat-head, nylon-coated (1) Silver (1.85 kgf-cm) When installing: Plug the gray cable into the main connector, and the black cable into the auxiliary connector on the card.

  • Page 54: 1070 Usb And Microsd Card Board

    • “1020 Base cover assembly” on page 42 Removal steps of the USB and microSD card board Step Screw (quantity) Color Torque M2 × 4 mm, flat-head, nylon-coated (1) Black 0.181 Nm (1.85 kgf-cm) Lenovo ThinkPad C14 Gen 1 Chromebook Hardware Maintenance Manual...

  • Page 55: 1080 Usb And Microsd Card Board And Cable

    1080 USB and microSD card board and cable For access, remove these FRUs: • “1020 Base cover assembly” on page 42 • “1110 Battery pack” on page 51 Removal steps of the USB and microSD card board and cable 1090 Heat sink For access, remove this FRU: •...

  • Page 56: 1100 Fan

    • “1090 Heat sink” on page 49 Removal steps of the fan When installing: • Ensure that the connector is attached firmly. • Do not press the top of the fan cover and the fan hub. Lenovo ThinkPad C14 Gen 1 Chromebook Hardware Maintenance Manual...

  • Page 57: 1110 Battery Pack

    Important notice for replacing a battery Attention: Lenovo has no responsibility for the performance or safety of unauthorized batteries, and provides no warranties for failures or damage arising out of their use. The Vantage app provides an automatic battery diagnostic test that determines if the built-in battery is defective. A built-in battery FRU should not be replaced unless this diagnostic test shows that the battery is defective.

  • Page 58: 1120 Smart Card Dummy Door

    1120 Smart card dummy door For access, remove these FRUs in order: • “1020 Base cover assembly” on page 42 • “1110 Battery pack” on page 51 Removal steps of the smart card dummy door Lenovo ThinkPad C14 Gen 1 Chromebook Hardware Maintenance Manual...

  • Page 59: 1130 Trackpad

    1130 Trackpad For access, remove these FRUs in order: • “1020 Base cover assembly” on page 42 • “1110 Battery pack” on page 51 Removal steps of the trackpad Note: There might exist a waterproof mylar covering the trackpad, remove the mylar before replacement. Chapter 6 Removing or replacing a FRU...
  • Page 60 1. A trackpad jig might come with the trackpad which is used for fixing the location of the trackpad. Attach the trackpad jig to the trackpad and bend the four angles as shown by arrows below. 2. Install the trackpad with jig as shown. Lenovo ThinkPad C14 Gen 1 Chromebook Hardware Maintenance Manual...
  • Page 61 3. Install the screws to fix the trackpad. 4. Remove the Jig. Chapter 6 Removing or replacing a FRU...

  • Page 62: 1140 Nfc Board And Cable (For Selected Models)

    1140 NFC board and cable (for selected models) For access, remove this FRU: • “1020 Base cover assembly” on page 42 • “1110 Battery pack” on page 51 Removal steps of the NFC board and cable Lenovo ThinkPad C14 Gen 1 Chromebook Hardware Maintenance Manual...

  • Page 63: 1150 Fingerprint Reader Cable (For Selected Models)

    When installing: Ensure that the connector is attached firmly. 1150 Fingerprint reader cable (for selected models) For access, remove these FRUs: • “1020 Base cover assembly” on page 42 Removal steps of the fingerprint reader cable Chapter 6 Removing or replacing a FRU...
  • Page 64 Lenovo ThinkPad C14 Gen 1 Chromebook Hardware Maintenance Manual...

  • Page 65: 1160 Power Board And Power Board Cable With Or Without Fingerprint Reader (For Selected Models)

    Step Screw (quantity) Color Torque M2 × 4 mm, flat-head, nylon-coated (2) Black 0.181 Nm (1.85 kgf-cm) When installing: Ensure that the connector is attached firmly. 1160 Power board and power board cable with or without fingerprint reader (for selected models) For access, remove this FRU: •...
  • Page 66 Step Screw (quantity) Color Torque M2 × 4 mm, flat-head, nylon-coated (2) Black 0.181 Nm (1.85 kgf-cm) Lenovo ThinkPad C14 Gen 1 Chromebook Hardware Maintenance Manual...

  • Page 67: 1170 I/O Bracket

    When installing: Ensure that the connector is attached firmly. 1170 I/O bracket For access, remove this FRU: • “1020 Base cover assembly” on page 42 For access, remove these FRUs in order: Removal steps of the I/O bracket Chapter 6 Removing or replacing a FRU...

  • Page 68: 1180 System Board

    • “1040 Wireless WAN card (for selected models)” on page 45 • “1050 Wireless LAN card” on page 46 • “1100 Fan” on page 50 • “1110 Battery pack” on page 51 • “1170 I/O bracket” on page 61 Lenovo ThinkPad C14 Gen 1 Chromebook Hardware Maintenance Manual...

  • Page 69: 1190 Lcd Unit

    Removal steps of the system board Step Screw (quantity) Color Torque Black 0.181 Nm M2 × 3 mm, flat head, nylon-coated (2) (1.85 kgf-cm) M2 × 2 mm, flat head, nylon-coated (2) Silver 0.181 Nm (1.85 kgf-cm) 1190 LCD unit For access, remove this FRU: •...
  • Page 70 Removal steps of the LCD unit Step Screw (quantity) Color Torque Black 0.294 Nm M 2.5 × 4 mm, flat-head, nylon-coated (6) (3.0 kgf-cm) Lenovo ThinkPad C14 Gen 1 Chromebook Hardware Maintenance Manual...

  • Page 71: 1200 Keyboard Assembly

    When installing: Ensure that the connector is attached firmly. 1200 Keyboard assembly For access, remove these FRUs: • “Removing microSD card, SIM-card and SIM-card tray” on page 38 • “1010 Keyboard” on page 38 • “1020 Base cover assembly” on page 42 •...

  • Page 72: 2020 Lcd Panel

    For access, remove this FRU: • “1020 Base cover assembly” on page 42 • “1190 LCD unit” on page 63 • “2010 LCD bezel” on page 65 Removal steps of the LCD panel Lenovo ThinkPad C14 Gen 1 Chromebook Hardware Maintenance Manual...

  • Page 73: 2030 Lcd Cable

    When installing: Ensure that the connector is attached firmly. 2030 LCD cable For access, remove these FRUs in order: • “1020 Base cover assembly” on page 42 • “1190 LCD unit” on page 63 • “2010 LCD bezel” on page 65 Removal steps of the LCD cable Chapter 6 Removing or replacing a FRU...

  • Page 74: 2040 Lcd Hinges

    • “2010 LCD bezel” on page 65 • “2020 LCD panel” on page 66 Removal steps of the LCD hinges Step Screw (quantity) Color Torque Black 0.294 Nm M2.5 × 4 mm, flat-head, nylon-coated (6) (3.0 kgf-cm) Lenovo ThinkPad C14 Gen 1 Chromebook Hardware Maintenance Manual...

  • Page 75: 2050 Camera-And-Microphone Module And Cable (For Selected Models)

    2050 Camera-and-microphone module and cable (for selected models) For access, remove these FRUs in order: • “1020 Base cover assembly” on page 42 • “1190 LCD unit” on page 63 • “2010 LCD bezel” on page 65 • “2020 LCD panel” on page 66 Removal steps of the camera-and-microphone module When installing: Ensure that the connector is attached firmly.
  • Page 76 • “2020 LCD panel” on page 66 • “2040 LCD hinges” on page 68 • “2030 LCD cable” on page 67 • “2050 Camera-and-microphone module and cable (for selected models)” on page 69 Lenovo ThinkPad C14 Gen 1 Chromebook Hardware Maintenance Manual...

  • Page 77: Appendix A. Notices

    Lenovo representative for information on the products and services currently available in your area. Any reference to a Lenovo product, program, or service is not intended to state or imply that only that Lenovo product, program, or service may be used. Any functionally equivalent product, program, or service that does not infringe any Lenovo intellectual property right may be used instead.
  • Page 78 Trademarks LENOVO and the LENOVO logo are trademarks of Lenovo. The terms HDMI is the trademark of HDMI Licensing LLC in the United States and other countries. USB-C is a trademark of USB Implementers Forum. All other trademarks are the property of their respective owners. © 2022 Lenovo.
  • Page 80 Part Number: SP40T10580 Printed in China (1P) P/N: SP40T10580 *1PSP40T10580*...

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