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Lenovo Flex 7i Hardware Maintenance Manual

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Hardware Maintenance Manual
Lenovo Flex 7i (14", 8)

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Summary of Contents for Lenovo Flex 7i

  • Page 1 Hardware Maintenance Manual Lenovo Flex 7i (14″, 8)
  • Page 2 First Edition (December 2022) © Copyright Lenovo 2022.

  • Page 3: Table Of Contents

    Remove the Wi-Fi card ... . Trademarks ....lvii Remove the heat sink ... . © Copyright Lenovo 2022...
  • Page 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 2022...
  • Page 6 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 2022...

  • 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

    Grounding requirements Electrical grounding of the computer is required for operator safety and correct system function. Proper grounding of the electrical outlet can be verified by a certified electrician. Safety notices (multilingual translations) The safety notices in this section are provided in the following languages: •...
  • Page 11 DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 12 Hardware Maintenance Manual...
  • Page 13 PERIGO PERIGO PERIGO PERIGO PERIGO Chapter 1 Safety information...
  • Page 14 PERIGO PERIGO PERIGO DANGER DANGER DANGER Hardware Maintenance Manual...
  • Page 15 DANGER DANGER DANGER DANGER DANGER VORSICHT Chapter 1 Safety information...
  • Page 16 VORSICHT VORSICHT VORSICHT VORSICHT VORSICHT Hardware Maintenance Manual...
  • Page 17 VORSICHT VORSICHT Chapter 1 Safety information...
  • Page 18 Hardware Maintenance Manual...
  • Page 19 Chapter 1 Safety information...
  • Page 20 Hardware Maintenance Manual...
  • Page 21 Chapter 1 Safety information...
  • Page 22 Hardware Maintenance Manual...
  • Page 23 Chapter 1 Safety information...
  • Page 24 Hardware Maintenance Manual...

  • Page 25: 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 2022...

  • Page 26: 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: Lenovo Flex 7 14IRU8 (MT: 82Y2) Type ac power adapter...

  • Page 27: 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. © Copyright Lenovo 2022...
  • Page 28 Figure 1. Lenovo Flex 7 14IRU8 exploded view Hardware Maintenance Manual...
  • Page 29 Table 2. FRU (CRU) categories FRU (CRU) category LCD module Note: The LCD module as a whole is not an FRU, it contains FRUs as its components. Upper case Fingerprint board bracket Fingerprint board Fingerprint board cable I/O board I/O board cable Heat sink Antenna Speakers...
  • Page 30 Figure 2. Lenovo Flex 7 14IRU8 LCD unit - exploded view Hardware Maintenance Manual...
  • Page 31 Table 3. FRU categories for the LCD unit FRU (CRU) category LCD cover Hinges Camera cable Camera Microphone rubbers Camera privacy shutter Removable tape EDP cable LCD panel Hinge cover Sensor board Touch panel cable Chapter 3 Identifying FRUs (CRUs)
  • Page 32 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

    3. Follow the correct sequence in the steps for removing an FRU, as shown in the illustrations by the numbers in square callouts. 4. When removing an FRU, move it in the direction as shown by the arrow in the illustration. 5.

  • Page 35: Remove The Battery Pack

    Step 3. Pry up the latches and then remove the lower case. Figure 4. Pry up the latches and remove the lower case Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Lower case Remove the battery pack Make sure the following FRU (or CRU) has been removed.

  • Page 36: Remove The Solid-State Drive (Ssd)

    Screw specifications Number of screws M2 x L3.5 Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: Battery pack Remove the solid-state drive (SSD) Make sure the following FRU (or CRU) has been removed.

  • Page 37: Remove The Wi-Fi Card

    Step 5. Remove the SSD mylar. Figure 9. Remove the SSD mylar Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement parts: Solid-state drive (SSD) Solid-state drive (SSD) bracket Solid-state drive (SSD) thermal pad Solid-state drive (SSD) mylar Remove the Wi-Fi card Make sure the following FRU (or CRU) has been removed.

  • Page 38: Remove The Heat Sink

    Figure 11. c Screw specifications Number of screws M2 x L3.5 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Wi-Fi card Remove the heat sink Make sure the following FRUs (or CRUs) have been removed.

  • Page 39: Remove The Fan

    Screw specifications Number of screws M2 x L4 Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: Heat sink Remove the fan Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 28 “Remove the heat sink”...

  • Page 40: Remove The I/O Board

    Number of screws M2 x L3.5 Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: Remove the I/O board Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 28 Step 1.

  • Page 41: Remove The I/O Board Cable

    Number of screws Screw specifications M2 x L3.5 Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: I/O board Remove the I/O board cable Make sure the following FRU (or CRU) has been removed.

  • Page 42: Remove The Fingerprint Board Module

    Figure 16. Remove the I/O board cable Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: I/O board cable Remove the fingerprint board module Make sure the following FRUs (or CRUs) have been removed.

  • Page 43: Remove The Speakers

    Figure 18. Remove the fingerprint board cable Step 3. Remove fingerprint board. Figure 19. Remove fingerprint board Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: Fingerprint board bracket Fingerprint board cable Fingerprint board Remove the speakers Make sure the following FRU (CRU) has been removed.

  • Page 44: Remove The Antenna

    Figure 20. Remove the speakers Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Speakers Remove the antenna Make sure the following FRU (CRU) has been removed. “Remove the lower case” on page 28 “Remove the battery pack”...

  • Page 45: Remove The Touchpad Cable

    Figure 22. Remove the antenna Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Antenna Remove the touchpad cable Make sure the following FRUs (CRUs) have been removed. “Remove the lower case” on page 28 “Remove the battery pack”...
  • Page 46 “Remove the battery pack” on page 29 “Remove the solid-state drive (SSD)” on page 30 “Remove the Wi-Fi card” on page 31 “Remove the heat sink” on page 32 “Remove the fan” on page 33 Step 1. Remove the two pieces of tape. Figure 24.

  • Page 47: Use A Golden Key U1 Tool To Flash-Write Key Id Information

    Number of screws M2 x L3.5 Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement parts: System board 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 48: Remove The Touchpad

    The Golden Key U1 tool is prepared by running the U1 Update software on a FAT32-formatted USB thumb drive. Go to http://support.lenovo.com/us/en/solutions/HT506954 for detailed instructions on how to create and use a Golden Key U1 tool. Remove the touchpad Make sure the following FRUs (CRUs) have been removed.

  • Page 49: Remove The Lcd Unit

    Step 4. Remove the touchpad. Figure 30. Remove the touchpad Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: Touchpad Remove the LCD unit Make sure the following FRU (CRU) has been removed. “Remove the lower case” on page 28 “Remove the heat sink”...
  • Page 50 Figure 31. Remove the four pieces of tape Step 3. Release the touch panel cable and EDP cable from the cable guide then disconnect cables connected to the system board. Figure 32. Disconnect cables connected to the system board Step 4. Rotate the LCD unit to an angle of more than 90 degrees and place the computer on a flat surface as shown.

  • Page 51: Remove The Upper Case

    “Remove the touchpad cable” on page 39 “Remove the system board” on page 39 “Remove the LCD unit” on page 43 Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: Upper case Chapter 4 Removing a FRU or CRU...

  • Page 52: Disassemble The Lcd Unit

    “Disassemble the LCD unit” on page 46 Step 1. Remove the hinge cover. Figure 34. Remove the hinge cover Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Hinge cover Remove the LCD panel and EDP cable Make sure the following FRUs (CRUs) have been removed.
  • Page 53 Figure 35. Remove three screws Screw specifications Number of screws M2 x L3.5 Step 2. Remove the two pieces of removable tape with tweezers and then remove the LCD panel. Figure 36. Remove the LCD panel Step 3. Turn the LCD panel over. Peel off tape then disconnect the EDP cable from the LCD panel. Chapter 4 Removing a FRU or CRU...

  • Page 54: Remove The Microphone Rubbers

    Figure 37. Peel off tape then disconnect the EDP cable from the LCD panel Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement parts: LCD panel Removable tape EDP cable Remove the microphone rubbers Make sure the following FRUs (CRUs) have been removed.

  • Page 55: Remove The Camera Privacy Shutter

    Remove the camera privacy shutter. Figure 39. Remove the camera privacy shutter Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: Camera privacy shutter Remove the hinges Make sure the following FRUs (CRUs) have been removed.

  • Page 56: Remove The Camera

    Figure 40. Remove six screws and remove the hinges Screw specifications Number of screws M2.5 x L3 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Hinges Remove the camera Make sure the following FRUs (CRUs) have been removed.

  • Page 57: Remove The Camera Cable

    Detach the camera cable connectors then remove the camera cable. Figure 42. Detach the camera cable connectors then remove the camera cable Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement parts: Camera cable Removable tape Remove the touch panel cable and sensor board Make sure the following FRUs (CRUs) have been removed.
  • Page 58 Step 3. Disconnect the touch panel cable from the sensor board. Figure 45. Disconnect the touch panel cable from the sensor board Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Touch panel cable...

  • Page 59: Remove The Lcd Cover

    “Remove the camera” on page 50 “Remove the camera cable” on page 51 “Remove the touch panel cable and sensor board” on page 51 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: LCD cover...
  • Page 60 Hardware Maintenance Manual...

  • Page 61: Appendix A. Label Locations

    70 mm x 10 mm 43 mm x 24 mm KCC label Indonesia postel label 15 mm x 10 mm Indonesia rating label 26 mm x 10 mm WL/BT label Israel 32 mm x 10 mm © Copyright Lenovo 2022...
  • Page 62 Table 5. All base cover labels (continued) Brazil 35 mm x 15 mm 20 mm x 10 mm South Africa 32 mm x 10 mm US/ CA/ TW/ CA_Group Hardware Maintenance Manual...

  • Page 63: Trademarks

    Trademarks LENOVO and the LENOVO logo are trademarks of Lenovo. All other trademarks are the property of their respective owners. © 2022 Lenovo.

This manual is also suitable for:

Flex 714iru8

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