Lenovo LOQ Essential Hardware Maintenance Manual
  1. Manuals
  2. Brands
  3. Lenovo Manuals
  4. Laptop
  5. LOQ Essential
  6. Hardware maintenance manual
Lenovo LOQ Essential Hardware Maintenance Manual

Lenovo LOQ Essential Hardware Maintenance Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
Lenovo LOQ Essential (15", 9)
Hardware Maintenance Manual

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the LOQ Essential and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Lenovo LOQ Essential

Summary of Contents for Lenovo LOQ Essential

  • Page 1 Lenovo LOQ Essential (15″, 9) Hardware Maintenance Manual...
  • Page 2 First Edition (September 2024) © Copyright Lenovo 2024.

  • Page 3: Table Of Contents

    ..Trademarks ....lv Remove the lower case ... . © Copyright Lenovo 2024...
  • Page 4 Lenovo LOQ Essential (15″, 9) Hardware Maintenance Manual...

  • Page 5: About This Manual

    • It is recommended that these products be repaired by trained service technicians. For customers electing to repair their own Lenovo products, please follow all instructions carefully. • Before servicing a Lenovo product, be sure to read all the information under Chapter 1 “Safety information” on page 1.
  • Page 6 Lenovo LOQ Essential (15″, 9) 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 – Removing or installing main units © Copyright Lenovo 2024...

  • 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 LOQ Essential (15″, 9) Hardware Maintenance Manual...
  • Page 11 DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 12 Lenovo LOQ Essential (15″, 9) Hardware Maintenance Manual...
  • Page 13 PERIGO PERIGO PERIGO Chapter 1 Safety information...
  • Page 14 PERIGO PERIGO PERIGO PERIGO PERIGO Lenovo LOQ Essential (15″, 9) Hardware Maintenance Manual...
  • Page 15 DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 16 DANGER DANGER DANGER DANGER VORSICHT Lenovo LOQ Essential (15″, 9) Hardware Maintenance Manual...
  • Page 17 VORSICHT VORSICHT VORSICHT VORSICHT Chapter 1 Safety information...
  • Page 18 VORSICHT VORSICHT VORSICHT Lenovo LOQ Essential (15″, 9) Hardware Maintenance Manual...
  • Page 19 Chapter 1 Safety information...
  • Page 20 Lenovo LOQ Essential (15″, 9) Hardware Maintenance Manual...
  • Page 21 Chapter 1 Safety information...
  • Page 22 Lenovo LOQ Essential (15″, 9) Hardware Maintenance Manual...
  • Page 23 Chapter 1 Safety information...
  • Page 24 Lenovo LOQ Essential (15″, 9) Hardware Maintenance Manual...
  • Page 25 Chapter 1 Safety information...
  • Page 26 Lenovo LOQ Essential (15″, 9) Hardware Maintenance Manual...

  • Page 27: 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 2024...

  • 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. Model: LOQ 15IAX9E (Machine type: 83LK, 83ME) Type ac power adapter self-service power cord self-service Lenovo LOQ Essential (15″, 9) 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. System exploded view © Copyright Lenovo 2024...
  • Page 30 2242 Solid-state drives (SSD) 2242 Solid-state drives (SSD) thermal pad Lower case Coin-cell battery Battery pack Speakers Heat sink System board Touchpad cable Upper case (with keyboard) Power cord ac power adapter Screw kit Lenovo LOQ Essential (15″, 9) Hardware Maintenance Manual...
  • Page 31 Figure 2. LCD exploded view Table 3. FRU (CRU) categories FRU (CRU) category LCD panel Microphone rubbers Camera board EDP cable Removable tape LCD cover Hinges LCD bezel Chapter 3 Identifying FRUs (CRUs)
  • Page 32 Lenovo LOQ Essential (15″, 9) 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: Handling Thermal Interface Materials

    Size PTM7958 24.4 mm × 11.8 mm × 0.21 mm • For RTX2050/RTX3050（GN20）: 15 mm × 15 mm × 0.21 PTM7958 • For RTX4050（GN21）: 13 mm × 13 mm × 0.21 mm Lenovo LOQ Essential (15″, 9) Hardware Maintenance Manual...

  • Page 35: Areas On The System Board Where Thermal Interface Materials Are Applied

    Figure 3. Areas on the heat sink where thermal interface materials should be applied Areas on the system board where thermal interface materials are applied The following figure shows the areas on the system board where thermal interface materials are applied. Figure 4.

  • Page 36: Remove The Battery Pack

    Thread M2.0 1.85 ± 0.15 M2.0 1.85 ± 0.15 Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Lower case Remove the battery pack Make sure the following FRUs (or CRUs) have been removed.

  • Page 37: Remove The Touchpad Cable

    1.85 ± 0.15 Figure 7. Remove two screws and the battery pack Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: Battery pack Remove the touchpad cable Make sure the following FRUs (or CRUs) have been removed.

  • Page 38: Remove The Speakers

    Disconnect the touchpad cable from the system board and touchpad. Then, remove the touchpad cable. Figure 8. Disconnect and remove the touchpad cable Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Touchpad cable Remove the speakers Make sure the following FRUs (CRUs) have been removed.

  • Page 39: Remove The Coin-Cell Battery

    Figure 9. Disconnect and remove the speakers Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: Speakers Remove the coin-cell battery Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 29 “Remove the battery pack”...

  • Page 40: Remove The Wi-Fi Card

    Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Coin-cell battery Remove the Wi-Fi card Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 29 Step 1.

  • Page 41: Remove The Memory Module

    Figure 13. Remove the 2242 solid-state drive thermal pad Note: The product supports up to two solid-state drives. Remove both if needed. Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: 2242 solid-state drive...

  • Page 42: Remove The Heat Sink

    Step 2. Open the latches and remove the memory module. Figure 15. Open the latches and remove the memory module Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Memory module Remove the heat sink Make sure the following FRUs (or CRUs) have been removed.

  • Page 43: Remove The Fan

    Attention: Use your fingernail to pull the connector to unplug it. Do not pull the cable. Figure 16. Disconnect the battery pack cable, loosen seven screws, and remove the heat sink Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part:...

  • Page 44: Remove The Usb Board

    M2.0 1.85 ± 0.15 Figure 18. Disconnect the fan cable, remove three screws, and remove the fan 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 (or CRUs) have been removed.
  • Page 45 “Remove the lower case” on page 29 “Remove the heat sink” on page 36 Step 1. Remove two screws and lift the left hinge. Figure 19. Remove two screws and lift the left hinge Table 8. Screws used to secure the hinges Length (mm) Torque (kgf.cm) Quantity...

  • Page 46: Remove The System Board

    Thread M2.0 1.85 ± 0.15 Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: USB board Remove the system board Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 29 “Remove the Wi-Fi card”...
  • Page 47 Figure 22. Remove two screws and open the right hinge Table 10. Screws used to secure the hinges Length (mm) Torque (kgf.cm) Quantity Thread M2.5 3.0 ± 0.15 Step 3. Remove two screws and remove the system board. Figure 23. Remove two screws and the system board Table 11.

  • Page 48: Use A Golden Key U1 Tool To Flash-Write Key Id Information

    Figure 24. Disconnect and remove the USB cable Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement parts: System board USB cable Use a Golden Key U1 tool to flash-write key id information After replacing the system board and re-assembling the computer, use a pre-made Golden Key U1 tool to start the computer and flash-write the serial number (SN), machine type (MT), product name (PN), and UUID to the new system board.
  • Page 49 Figure 25. Disconnect the EDP cable Step 2. Remove four screws. Figure 26. Remove four screws Table 12. Screws used to secure the hinges Length (mm) Torque (kgf.cm) Quantity Thread M2.5 3.0 ± 0.15 Step 3. Rotate the LCD module to an angle of more than 90 degrees and remove the LCD module. Chapter 4 Removing a FRU or CRU...

  • Page 50: Remove The Upper Case (With Keyboard)

    Figure 27. Rotate the LCD module and remove the LCD module Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: LCD module Remove the upper case (with keyboard) Make sure the following FRUs (CRUs) have been removed.

  • Page 51: Remove The Hinge Cover

    “Remove the LCD module” on page 42 Step 1. Remove the hinge cover from the indicated location. Figure 28. Remove the hinge cover Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Hinge cover Remove the LCD bezel Make sure the following FRUs (CRUs) have been removed.

  • Page 52: Remove The Lcd Panel

    Figure 29. Remove the LCD bezel Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: LCD bezel Remove the LCD panel Make sure the following FRUs (CRUs) have been removed. “Remove the lower case” on page 29 “Remove the LCD module”...

  • Page 53: Remove The Edp Cable

    Peel back the mylar, disconnect the EDP cable from the LCD panel, and remove the LCD panel. Figure 31. Disconnect the EDP cable and remove the LCD panel Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part:...

  • Page 54: Remove The Hinges

    Figure 32. Disconnect and remove the EDP cable Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: EDP cable Remove the hinges Make sure the following FRUs (CRUs) have been removed. “Remove the lower case” on page 29 “Remove the LCD module”...

  • Page 55: Remove The Microphone Rubbers

    1.85 ± 0.15 M2.0 1.85 ± 0.15 Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: Hinges Remove the microphone rubbers Make sure the following FRUs (CRUs) have been removed. “Remove the lower case” on page 29 “Remove the LCD module”...

  • Page 56: Remove The Camera Board

    Figure 34. Remove the microphone rubbers Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: Microphone rubbers Remove the camera board Make sure the following FRUs (CRUs) have been removed. “Remove the lower case” on page 29 “Remove the LCD module”...

  • Page 57: Remove The Lcd Cover

    Figure 35. Disconnect the EDP 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 Make sure the following FRUs (CRUs) have been removed.
  • Page 58 Lenovo LOQ Essential (15″, 9) Hardware Maintenance Manual...

  • Page 59: Chapter 5. Label Locations

    Applied country/region Label dimensions CO2 label 18 mm x 18 mm 100 mm x 30 mm LNB POD label OS label 16 mm x 22.5 mm RTC battery label United States 120 mm x 20 mm © Copyright Lenovo 2024...
  • Page 60 Lenovo LOQ Essential (15″, 9) Hardware Maintenance Manual...

  • Page 61: Trademarks

    Trademarks LENOVO and the LENOVO logo are trademarks of Lenovo. All other trademarks are the property of their respective owners. © 2024 Lenovo.

This manual is also suitable for:

Loq 15iax9eLoq 15iax9e d1

Table of Contents