Lenovo 300e Hardware Maintenance Manual
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Lenovo 300e Hardware Maintenance Manual

2nd gen
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Lenovo 300e 2nd Gen
Hardware Maintenance Manual

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  Summary of Contents for Lenovo 300e

  • Page 1 Lenovo 300e 2nd Gen Hardware Maintenance Manual...

  • Page 2: Table Of Contents

    Remove the RTC battery ... Lenovo 300e 2nd Gen CRU list ..Remove the power board ...

  • Page 3: Chapter 1. Safety Information

    • Do not work alone under hazardous conditions or near equipment that has hazardous voltages. • Disconnect all power before: – Performing a mechanical inspection – Working near power supplies © Copyright Lenovo 2020...

  • Page 4: Safety Inspection Guide

    This guide addresses only those items. You should use good judgment to identify potential safety hazards due to attachment of non-Lenovo features or options not covered by this inspection guide.

  • Page 5: Handling Devices That Are Sensitive To Electrostatic Discharge

    4. Check for cracked or bulging batteries. 5. Remove the cover. 6. Check for any obvious non-Lenovo alterations. Use good judgment as to the safety of any 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 6: 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 DANGER DANGER Lenovo 300e 2nd Gen Hardware Maintenance Manual...
  • Page 7 DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 8 Lenovo 300e 2nd Gen Hardware Maintenance Manual...
  • Page 9 PERIGO PERIGO PERIGO Chapter 1 Safety information...
  • Page 10 PERIGO PERIGO PERIGO PERIGO PERIGO Lenovo 300e 2nd Gen Hardware Maintenance Manual...
  • Page 11 DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 12 DANGER DANGER DANGER DANGER VORSICHT Lenovo 300e 2nd Gen Hardware Maintenance Manual...
  • Page 13 VORSICHT VORSICHT VORSICHT VORSICHT Chapter 1 Safety information...
  • Page 14 VORSICHT VORSICHT VORSICHT Lenovo 300e 2nd Gen Hardware Maintenance Manual...
  • Page 15 Chapter 1 Safety information...
  • Page 16 Lenovo 300e 2nd Gen Hardware Maintenance Manual...
  • Page 17 Chapter 1 Safety information...
  • Page 18 Lenovo 300e 2nd Gen Hardware Maintenance Manual...
  • Page 19 Chapter 1 Safety information...
  • Page 20 Lenovo 300e 2nd Gen Hardware Maintenance Manual...
  • Page 21 Chapter 1 Safety information...
  • Page 22 Lenovo 300e 2nd Gen Hardware Maintenance Manual...

  • Page 23: Chapter 2. General Checkout

    • LCD panel cracked from the application of excessive force or from being dropped • Scratched (cosmetic) parts • Distortion, deformation, or discoloration of the cosmetic parts • Plastic parts, latches, pins, or connectors that have been cracked or broken by excessive force © Copyright Lenovo 2020...

  • Page 24: Checking The Ac Power Adapter

    To check the USB-C type ac power adapter, do the following: 1. Connect the computer to a power outlet and turn on the computer. 2. Start Lenovo Vantage program, and locate the Power section. The ac power adapter information is displayed.

  • Page 25: Lenovo 300E 2Nd Gen Cru List

    If it indicates that the battery is not charging, replace the battery. 3. Check the battery status again. If the same error still exists, replace the system board. Lenovo 300e 2nd Gen CRU list Model: Lenovo 300e 2nd Gen...
  • Page 26 Lenovo 300e 2nd Gen Hardware Maintenance Manual...

  • Page 27: Chapter 3. Locating Computer Controls, Connectors, And Indicators

    Chapter 3. Locating computer controls, connectors, and indicators This topic introduces the locations of the computer controls, connectors, and indicators. Front 1. Front camera 2. Microphone 3. Screen © Copyright Lenovo 2020...

  • Page 28: Base

    Base 1. WorldFacing camera* 2. Microphone* 3. Touchpad * for selected models Lenovo 300e 2nd Gen Hardware Maintenance Manual...

  • Page 29: Left

    Left 1. Battery/Charging status indicator 2. USB-C™ connector / Power connector 3. Always On USB 3.1 connector Gen 1 4. HDMI™ connector 5. Audio connector Chapter 3 Locating computer controls, connectors, and indicators...

  • Page 30: Right

    Right 1. Pen slot 2. Volume up/down button 3. Power button 4. USB 3.1 connector Gen 1 5. MicroSD card slot 6. Mini security-lock slot Lenovo 300e 2nd Gen Hardware Maintenance Manual...

  • Page 31: Bottom

    Bottom 1. Speakers Chapter 3 Locating computer controls, connectors, and indicators...
  • Page 32 Lenovo 300e 2nd Gen Hardware Maintenance Manual...

  • Page 33: Chapter 4. Identifying Frus (Crus)

    Chapter 4. Identifying FRUs (CRUs) All FRUs (CRUs) for Lenovo 300e 2nd Gen The exploded illustrations help Lenovo service technicians identify FRUs or CRUs that they may need to replace when servicing a customer’s computer. Figure 1. Lenovo 300e 2nd Gen exploded view Table 1.
  • Page 34 M.2 solid-state drive (SSD) Power board Speakers Pen board Battery pack Lower case Lenovo Integrated Pen* Lenovo factory recovery USB key* Power cord ac power adapter Miscellaneous parts kits * for selected models Lenovo 300e 2nd Gen Hardware Maintenance Manual...
  • Page 35 Figure 2. LCD module — exploded view Table 2. FRU categories for the LCD module FRU (CRU) category Self-service CRU Optional-service CRU Screw rubbers Strip cover LCD panel Front camera board LCD cable Hinges Chapter 4 Identifying FRUs (CRUs)
  • Page 36 Table 2. FRU categories for the LCD module (continued) Hinge rubbers LCD cover Lenovo 300e 2nd Gen Hardware Maintenance Manual...

  • Page 37: Chapter 5. Removing A Fru Or Cru

    5. To install a new FRU in place, perform the removal procedure in reverse and follow any notes that pertain to replacement. 6. When replacing a FRU, carefully retain and reuse all screws. If screws are missing, look up the Lenovo parts numbers by visiting https://support.lenovo.com/partslookup...

  • Page 38: Remove The Lower Case

    Figure 3. Pull out Lenovo Integrated Pen Remove the lower case Step 1. Remove 9 screws. Figure 4. Remove 9 screws Screw specifications Number of screws M2.5 x 6 Step 2. Remove the lower case. Lenovo 300e 2nd Gen Hardware Maintenance Manual...

  • Page 39: Remove The Battery Pack

    Figure 5. Remove the lower case Remove the battery pack Make sure the following FRUs (or CRUs) have been removed. “Remove Lenovo Integrated Pen” on page 35 “Remove the lower case” on page 36 Step 1. Detach the battery connector and power board cable connector from the system board.

  • Page 40: Remove The Wireless Module

    Make sure the following FRUs (or CRUs) have been removed. “Remove Lenovo Integrated Pen” on page 35 “Remove the lower case” on page 36 “Remove the battery pack” on page 37 Step 1. Detach the main and auxiliary antenna cable connectors. Lenovo 300e 2nd Gen Hardware Maintenance Manual...

  • Page 41: Remove The M.2 Solid-State Drive

    Figure 9. Detach the connectors Step 2. Remove 1 screw. Figure 10. Remove 1 screw Screw specifications Number of screws M2.0 x 3 Step 3. Remove the wireless module by pulling it away from the slot. Figure 11. Remove the wireless module Remove the M.2 solid-state drive Make sure the following FRUs (or CRUs) have been removed.

  • Page 42: Remove The Pen Board

    Make sure the following FRUs (or CRUs) have been removed. “Remove Lenovo Integrated Pen” on page 35 “Remove the lower case” on page 36 “Remove the battery pack” on page 37 Step 1. Detach the pen board connector from the power board. Lenovo 300e 2nd Gen Hardware Maintenance Manual...

  • Page 43: Remove The Speakers

    Figure 15. Remove the pen board Remove the speakers Make sure the following FRUs (CRUs) have been removed. “Remove Lenovo Integrated Pen” on page 35 “Remove the lower case” on page 36 “Remove the battery pack” on page 37 Step 1.

  • Page 44: Remove The Rtc Battery

    Figure 17. Remove 2 screws Screw specifications Number of screws M2.0 x 3 Step 3. Remove the speakers. Figure 18. Remove the speakers Remove the RTC battery Make sure the following FRUs (or CRUs) have been removed. Lenovo 300e 2nd Gen Hardware Maintenance Manual...

  • Page 45: Remove The Power Board

    “Remove Lenovo Integrated Pen” on page 35 “Remove the lower case” on page 36 “Remove the battery pack” on page 37 Step 1. Detach the RTC battery connector from the system board. Figure 19. Detach the connector Step 2. Remove the RTC battery.

  • Page 46: Remove The System Board

    Step 1. Detach the World-Facing camera cable connector, LCD cable connector, keyboard cable connector and touchpad cable connector from the system board. Note: Not all 300e Windows 2nd Gen SKUs include World-Facing camera cable. Lenovo 300e 2nd Gen Hardware Maintenance Manual...

  • Page 47: Remove The World-Facing Camera (For Selected Models)

    Figure 23. Detach the connectors Step 2. Remove 8 screws. Figure 24. Remove 8 screws Screw specifications Number of screws M2.0 x 4 Step 3. Carefully remove the system board and bracket. Figure 25. Remove the system board and bracket Remove the World-Facing camera (for selected models) Make sure the following FRUs (or CRUs) have been removed.

  • Page 48: Remove The Upper Case (With Keyboard)

    LCD cable connector have been detached from the wireless module and system board. “Remove Lenovo Integrated Pen” on page 35 “Remove the lower case” on page 36 “Remove the battery pack” on page 37 Lenovo 300e 2nd Gen Hardware Maintenance Manual...
  • Page 49 Step 1. Remove 6 screws that secure the hinges to the upper case. Figure 28. Remove 6 screws Screw specifications Number of screws M2.5 x 5 Step 2. Open the hinges. Figure 29. Open the hinges Step 3. From the upper edge, slowly and carefully lift up the upper case. Chapter 5 Removing a FRU or CRU...

  • Page 50: Disassemble The Lcd Module

    LCD module, make sure it has been detached from the upper case. Refer to “Remove the upper case (with keyboard)” on page 46 for instructions. Remove the LCD panel Step 1. Remove the screw rubbers. Figure 31. Remove the screw rubbers Step 2. Remove 2 screws. Lenovo 300e 2nd Gen Hardware Maintenance Manual...
  • Page 51 Figure 32. Remove 2 screws Screw specifications Number of screws M2.0 x 3 Step 3. Carefully remove the strip cover. Figure 33. Remove the strip cover Step 4. Remove 3 screws. Figure 34. Remove 3 screws Screw specifications Number of screws M2.0 x 3 Step 5.

  • Page 52: Remove The Front Camera And The Lcd Cable

    “Remove the upper case (with keyboard)” on page 46 “Remove the LCD panel” on page 48 Step 1. Turn over the LCD panel, and then peel off the aluminum foil that secure the front camera. Lenovo 300e 2nd Gen Hardware Maintenance Manual...
  • Page 53 Figure 37. Peel off the aluminum foil Step 2. Detach the front camera connector. Figure 38. Detach the connector Step 3. Remove the front camera. Figure 39. Remove the front camera Step 4. Detach the LCD cable connector, Wacom connector and sensor connector. Chapter 5 Removing a FRU or CRU...

  • Page 54: Remove The Hinges

    “Remove the lower case” on page 36 “Remove the battery pack” on page 37 “Remove the upper case (with keyboard)” on page 46 “Remove the LCD panel” on page 48 Step 1. Remove 8 screws. Lenovo 300e 2nd Gen Hardware Maintenance Manual...
  • Page 55 Figure 42. Remove 8 screws Screw specifications Number of screws M2.0 x 3 M2.0 x 2.5 Step 2. Remove the hinges. Figure 43. Remove the hinges Chapter 5 Removing a FRU or CRU...
  • Page 56 Lenovo 300e 2nd Gen Hardware Maintenance Manual...

  • Page 57: Trademarks

    Trademarks LENOVO and LENOVO logo are trademarks of Lenovo. Other company, product, or service names may be trademarks or service marks of others.

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