Lenovo ThinkBook 16p Gen 4 Hardware Maintenance Manual
  1. Manuals
  2. Brands
  3. Lenovo Manuals
  4. Laptop
  5. ThinkBook 16p Gen 2
  6. Hardware maintenance manual
Lenovo ThinkBook 16p Gen 4 Hardware Maintenance Manual

Lenovo ThinkBook 16p Gen 4 Hardware Maintenance Manual

Hide thumbs Also See for ThinkBook 16p Gen 4:
Table of Contents

Advertisement

Quick Links

Download this manual
Lenovo ThinkBook 16p Gen 4
Hardware Maintenance Manual

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the ThinkBook 16p Gen 4 and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Lenovo ThinkBook 16p Gen 4

Summary of Contents for Lenovo ThinkBook 16p Gen 4

  • Page 1 Lenovo ThinkBook 16p Gen 4 Hardware Maintenance Manual...
  • Page 2 First Edition (March 2023) © Copyright Lenovo 2023.

  • Page 3: Table Of Contents

    Trademarks ....lxiii Remove the audio board ... Remove the heat sink ... . © Copyright Lenovo 2023...
  • Page 4 Lenovo ThinkBook 16p Gen 4 Hardware Maintenance Manual...

  • Page 5: About This Manual

    Important: • This manual is intended only for trained service technicians who are familiar with Lenovo products. • Before servicing a Lenovo product, be sure to read all the information under Chapter 1 “Safety information” on page 1. © Copyright Lenovo 2023...
  • Page 6 Lenovo ThinkBook 16p Gen 4 Hardware Maintenance Manual...

  • Page 7: 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 2023...

  • Page 8: 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 9: 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 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 DANGER DANGER Lenovo ThinkBook 16p Gen 4 Hardware Maintenance Manual...
  • Page 11 DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 12 Lenovo ThinkBook 16p Gen 4 Hardware Maintenance Manual...
  • Page 13 PERIGO PERIGO PERIGO Chapter 1 Safety information...
  • Page 14 PERIGO PERIGO PERIGO PERIGO PERIGO Lenovo ThinkBook 16p Gen 4 Hardware Maintenance Manual...
  • Page 15 DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 16 DANGER DANGER DANGER DANGER VORSICHT Lenovo ThinkBook 16p Gen 4 Hardware Maintenance Manual...
  • Page 17 VORSICHT VORSICHT VORSICHT VORSICHT Chapter 1 Safety information...
  • Page 18 VORSICHT VORSICHT VORSICHT Lenovo ThinkBook 16p Gen 4 Hardware Maintenance Manual...
  • Page 19 Chapter 1 Safety information...
  • Page 20 Lenovo ThinkBook 16p Gen 4 Hardware Maintenance Manual...
  • Page 21 Chapter 1 Safety information...
  • Page 22 Lenovo ThinkBook 16p Gen 4 Hardware Maintenance Manual...
  • Page 23 Chapter 1 Safety information...
  • Page 24 Lenovo ThinkBook 16p Gen 4 Hardware Maintenance Manual...
  • Page 25 Chapter 1 Safety information...
  • Page 26 Lenovo ThinkBook 16p Gen 4 Hardware Maintenance Manual...

  • Page 27: Chapter 2. General Checkout

    • 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 • Damage caused by liquid spilled into the system © Copyright Lenovo 2023...

  • Page 28: Cru List

    • Check for obvious damage to a hard disk drive. If the spindle of a hard disk drive becomes noisy, the hard disk drive might have been dropped or subject to excessive force. CRU list Table 1. CRU list Type ac power adapter self-service power cord self-service Lenovo ThinkBook 16p Gen 4 Hardware Maintenance Manual...

  • Page 29: Chapter 3. Identifying Frus (Crus)

    Chapter 3. Identifying FRUs (CRUs) Locate FRUs and CRUs 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. Exploded view - system © Copyright Lenovo 2023...
  • Page 30 RF absorber Touchpad cable Audio board cable Audio board System board hook System board Speakers and tweeters Upper case (with keyboard) Hinge cap Power cord ac power adapter Screw kit Label kit Lenovo ThinkBook 16p Gen 4 Hardware Maintenance Manual...
  • Page 31 Figure 2. Exploded view - LCD Table 3. FRU (CRU) categories FRU (CRU) category LCD bezel LCD panel Color sensor rubber Microphone rubbers IR sponges Camera shutter Camera board LCD cover (with EDP cable, camera cable and bezel cap) Removable tapes Chapter 3 Identifying FRUs (CRUs)
  • Page 32 Lenovo ThinkBook 16p Gen 4 Hardware Maintenance Manual...

  • Page 33: Chapter 4. Removing A Fru Or Cru

    Chapter 4. Removing a FRU or CRU Service tools The following table lists tools for servicing Lenovo computers. Tools with a cross mark are needed for serving the product models as described by this publication. Prepare them before you service the product.

  • Page 34: Remove The Lower Case

    Step 1. Place the computer upside down on a flat surface. Step 2. Remove eight screws. Pry up the latches and then remove the lower case. Figure 3. Remove the lower case Lenovo ThinkBook 16p Gen 4 Hardware Maintenance Manual...

  • Page 35: Remove The Dc-In Bracket

    Screw specifications Number of screws M2 × L2.6 Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: Lower case Remove the DC-in bracket Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 28 Step 1.

  • Page 36: Remove The Memory Modules

    Disconnect the battery pack cable from the system board. Then, remove the memory shielding. Attention: Use your fingernail to pull the connector to unplug it. Do not pull the cable. Figure 5. Remove the memory shielding Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Memory shielding Remove the memory modules Make sure the following FRUs (or CRUs) have been removed.

  • Page 37: Remove The Ssd

    Step 2. Open the latches and remove the memory modules. Figure 7. Remove the memory modules Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement parts: RF absorber Memory modules Remove the SSD Make sure the following FRUs (or CRUs) have been removed.
  • Page 38 Number of screws M2 × L2 Step 2. Remove the SSD thermal pad. Figure 9. Remove the SSD thermal pad Step 3. Remove the SSD Cu foil. Figure 10. Remove the SSD Cu foil Lenovo ThinkBook 16p Gen 4 Hardware Maintenance Manual...

  • Page 39: Remove The Wi-Fi Card

    Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: SSD thermal pad SSD Cu foil Remove the Wi-Fi card Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 28 Step 1.

  • Page 40: Remove The Audio Board Cable

    Screw specifications Number of screws M2 × L2 Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement parts: Wi-Fi card Wi-Fi card mylar Remove the audio board cable Make sure the following FRUs (CRUs) have been removed: “Remove the lower case”...

  • Page 41: Remove The Audio Board

    Figure 13. Remove the audio board cable Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Audio board cable Remove the audio board Make sure the following FRUs (CRUs) have been removed: “Remove the lower case” on page 28 Step 1.

  • Page 42: Remove The Heat Sink

    Screw specifications Number of screws M2 × L3 Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: Audio board Remove the heat sink Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 28 Step 1.

  • Page 43: Remove The Fans

    Figure 16. Remove the heat sink Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Heat sink Remove the fans Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 28 “Remove the heat sink”...

  • Page 44: Remove The Usb Board

    Figure 18. Remove the fans Screw specifications Number of screws M2 × L3 Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Remove the USB board Make sure the following FRUs (CRUs) have been removed: “Remove the lower case”...
  • Page 45 USB board. Figure 20. Remove the USB board Screw specifications Number of screws M2 × L3 Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: USB board Chapter 4 Removing a FRU or CRU...

  • Page 46: Remove The Usb Board Cable

    USB board cable. Figure 21. Remove the USB board cable Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: USB board cable Remove the fingerprint reader Make sure the following FRUs (CRUs) have been removed: “Remove the lower case”...
  • Page 47 After fingerprint reader replacement, cover the fingerprint reader board with original mylar. Figure 23. Remove the fingerprint reader Screw specifications Number of screws M2 × L2 Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: Chapter 4 Removing a FRU or CRU...

  • Page 48: Remove The System Board

    EDP cable from the system board. Attention: Use your fingernail to pull the connector to unplug it. Do not pull the cable. Figure 24. Disconnect cables Step 2. Remove one screw. Then, remove the system board hook. Lenovo ThinkBook 16p Gen 4 Hardware Maintenance Manual...
  • Page 49 Figure 26. Remove six screws and the system board Screw specifications Number of screws M2 × L3 M2 × L5 Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: Chapter 4 Removing a FRU or CRU...

  • Page 50: Use A Golden Key U1 Tool To Flash-Write Key Id Information

    “Remove the fans” on page 37 “Remove the system board” on page 42 Step 1. Remove the rubber and the tape. Figure 27. Remove the rubber and the tape Step 2. Remove five screws. Lenovo ThinkBook 16p Gen 4 Hardware Maintenance Manual...

  • Page 51: Remove The Battery Pack

    M2 × L5 Step 3. Remove the hinge cap. Figure 29. Remove the hinge cap Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Hinge cap Remove the battery pack Make sure the following FRUs (or CRUs) have been removed.

  • Page 52: Remove The Speakers (Near The Battery)

    Screw specifications Number of screws M2 × L5 Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: Battery pack Remove the speakers (near the battery) Make sure the following FRUs (CRUs) have been removed.

  • Page 53: Remove The Tweeters (Under The System Board)

    Figure 31. Remove the speakers Screw specifications Number of screws M1.6 × L1.5 Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Speakers Remove the tweeters (under the system board) Make sure the following FRUs (CRUs) have been removed.

  • Page 54: Remove The Coin-Cell Battery

    Figure 32. Remove the tweeters Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Tweeters Remove the coin-cell battery Make sure the following FRUs (CRUs) have been removed. “Remove the lower case” on page 28 “Remove the battery pack”...

  • Page 55: Remove The Touchpad Cable

    Figure 33. Remove the coin-cell battery Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Coin-cell battery Remove the touchpad cable Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 28 “Remove the battery pack”...

  • Page 56: Remove The Hall Sensor Board

    Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Touchpad cable Remove the Hall sensor board Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 28 “Remove the battery pack” on page 45 Step 1.

  • Page 57: Remove The Lcd Unit

    Figure 36. Remove the Hall sensor board cable Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Hall sensor board cable Remove the LCD unit Make sure the following FRUs (CRUs) have been removed.

  • Page 58: Remove The Upper Case (With Keyboard)

    Turn over the computer. Then, remove the LCD unit. Figure 38. Remove the LCD unit Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: LCD unit Remove the upper case (with keyboard) Make sure the following FRUs (CRUs) have been removed.

  • Page 59: Disassemble The Lcd Unit

    “Remove the Hall sensor board” on page 50 “Remove the Hall sensor board cable” on page 50 “Remove the LCD unit” on page 51 Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Upper case (with keyboard) Disassemble the LCD unit The LCD unit as a whole is not a FRU.

  • Page 60: Remove The Color Sensor Rubber

    Figure 39. Remove the LCD bezel Note: The LCD bezel is fragile and should be replaced if damaged. Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: LCD bezel Remove the color sensor rubber Make sure the following FRUs (CRUs) have been removed.

  • Page 61: Remove The Camera Shutter

    Figure 40. Remove the color sensor rubber Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Color sensor rubber Remove the camera shutter Make sure the following FRUs (CRUs) have been removed. “Remove the lower case” on page 28 “Remove the LCD unit”...

  • Page 62: Remove The Ir Sponges

    Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Camera shutter Remove the IR sponges Make sure the following FRUs (CRUs) have been removed. “Remove the lower case” on page 28 “Remove the LCD unit” on page 51 “Remove the LCD bezel”...

  • Page 63: Remove The Lcd Panel

    Figure 43. Remove the microphone rubbers Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Microphone rubbers Remove the LCD panel Make sure the following FRUs (CRUs) have been removed. “Remove the lower case” on page 28 “Remove the LCD unit”...
  • Page 64 3. The test lasts for about 20 seconds and then exits automatically. You also can press the power button to exit the test. Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: LCD panel...

  • Page 65: Remove The Camera Board

    Figure 46. Disconnect the camera cable and remove the camera board Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: Camera board Remove the LCD cover (with EDP cable, camera cable and bezel cap) Make sure the following FRUs (CRUs) have been removed.
  • Page 66 “Remove the camera board” on page 59 Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: LCD cover (with EDP cable, camera cable and bezel cap) Lenovo ThinkBook 16p Gen 4 Hardware Maintenance Manual...

  • Page 67: Chapter 5. Label Locations

    20 mm x 10 mm Belarus 40 mm x 8 mm China Diameter 30 mm X-Rite label 15.2 mm x 16.9 mm OS label 22.4 mm x 16.1 mm QR label 26.1 mm x 17 mm © Copyright Lenovo 2023...
  • Page 68 Lenovo ThinkBook 16p Gen 4 Hardware Maintenance Manual...

  • Page 69: Trademarks

    Trademarks LENOVO and the LENOVO logo are trademarks of Lenovo. All other trademarks are the property of their respective owners. © 2023 Lenovo.

This manual is also suitable for:

Thinkbook 16p g4 irh 21j8Thinkbook 16p g4 irh d1 21j8Thinkbook 16p g4 21j80022geThinkbook 16p g4 21j8000egeThinkbook 16p g4 21j80022ge-campus

Table of Contents