Related Manuals for Lenovo IdeaPad 4G
Summary of Contents for Lenovo IdeaPad 4G
- Page 1 Hardware Maintenance Manual IdeaPad 4G (14″, 05), IdeaPad 5G (14″, 05), IdeaPad 14m 4G 2021, IdeaPad 14m 5G 2021, IdeaPad 14m 4G 2021 DM and IdeaPad 14m 5G 2021 DM...
- Page 2 First Edition (November 2020) © Copyright Lenovo 2020.
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Page 3: Table Of Contents
Remove the battery pack ... Trademarks ....lv Remove the speakers ... . © Copyright Lenovo 2020... - Page 4 Hardware Maintenance Manual...
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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 2020... - Page 6 Hardware Maintenance Manual...
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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 2020... -
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 DANGER Chapter 1 Safety information...
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- Page 13 PERIGO PERIGO PERIGO Chapter 1 Safety information...
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- Page 15 DANGER DANGER DANGER DANGER Chapter 1 Safety information...
- Page 16 DANGER DANGER DANGER DANGER VORSICHT Hardware Maintenance Manual...
- Page 17 VORSICHT VORSICHT VORSICHT VORSICHT Chapter 1 Safety information...
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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 2020... -
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: IdeaPad 4G 14Q8C05 (MT: 82KE) Type ac power adapter... -
Page 29: Chapter 3. Identifying Frus (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. IdeaPad 4G (14″, 05), IdeaPad 14m 4G 2021 and IdeaPad 14m 4G 2021 DM exploded view © Copyright Lenovo 2020... - Page 30 Table 5. FRU (CRU) categories FRU (CRU) category LCD module SIM card tray Upper case (with keyboard and touchpad) Rubber foot USB board USB board cable Solid-state drive (SSD) System board Thermal module Speakers Battery pack Antenna bracket Lower case Function board cable (left) Function board cable (right) Power cord...
- Page 31 Figure 2. IdeaPad 5G (14″, 05), IdeaPad 14m 5G 2021 and IdeaPad 14m 5G 2021 DM exploded view Table 6. FRU (CRU) categories FRU (CRU) category LCD module SIM card tray Upper case (with keyboard and touchpad) Chapter 3 Identifying FRUs (CRUs)
- Page 32 Table 6. FRU (CRU) categories (continued) Rubber foot USB board USB board cable Solid-state drive (SSD) 5G module System board Thermal module Speakers Battery pack Antenna bracket Lower case Function board cable (left) Function board cable (right) Power cord ac power adapter SSD foil Screw kit Hardware Maintenance Manual...
- Page 33 Figure 3. IdeaPad 4G (14″, 05), IdeaPad 5G (14″, 05), IdeaPad 14m 4G 2021, IdeaPad 14m 5G 2021, IdeaPad 14m 4G 2021 DM and IdeaPad 14m 5G 2021 DM LCD module - exploded view Table 7. FRU categories for the LCD module...
- Page 34 Table 7. FRU categories for the LCD module (continued) Hinge cover LCD bezel Removable tape EDP cable Camera Camera rubbers Microphone rubbers Hardware Maintenance Manual...
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Page 35: 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 36: Remove The Sim Card Tray
Use the ejection tool to eject the SIM card tray and then slide the tray out of the computer. Figure 4. Remove the SIM card tray. Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part:... -
Page 37: Remove The Battery Pack
Pry up the latches and then remove the lower case. Figure 6. Pry up the latches and remove the lower case. Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: Lower case Remove the battery pack Make sure the following FRU (or CRU) has been removed. -
Page 38: Remove The Speakers
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 speakers Make sure the following FRU (CRU) has been removed. “Remove the lower case” on page 30 Step 1. -
Page 39: Remove The Thermal Module
Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Speakers Remove the thermal module Make sure the following FRU (or CRU) has been removed. “Remove the lower case” on page 30 Step 1. Disconnect the battery pack cable from the system board. - Page 40 Figure 10. Remove one screw. Screw specifications Number of screws M2 x L1.8 Step 3. Remove the SSD foil. Figure 11. Remove the SSD foil. Step 4. Remove the SSD by pulling it away from the slot. Figure 12. Remove the SSD by pulling it away from the slot. Hardware Maintenance Manual...
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Page 41: Remove The Usb Board
Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: SSD foil Remove the USB board Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 30 “Remove the thermal module” on page 33 Step 1. -
Page 42: Remove The Antenna Bracket
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: USB board Remove the antenna bracket Make sure the following FRUs (CRUs) have been removed. “Remove the lower case” on page 30 “Remove the thermal module”... -
Page 43: Remove The Rubber Foot
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: Antenna bracket Remove the rubber foot Make sure the following FRUs (CRUs) have been removed. “Remove the lower case” on page 30 “Remove the thermal module”... -
Page 44: Remove The 5G Module
Remove one screw and then remove the 5G module. Figure 19. Remove one screw and then remove the 5G module. Screw specifications Number of screws M2 x L1.8 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: 5G module Hardware Maintenance Manual... -
Page 45: Remove The System Board
Remove the system board Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 30 “Remove the thermal module” on page 33 “Remove the solid-state drive (SSD) module” on page 33 “Remove the antenna bracket” on page 36 “Remove the rubber foot”... - Page 46 Figure 21. Disconnect cables connected to the system board. Step 3. Remove four screws and then open the hinge. Figure 22. Remove four screws and open the hinge. Screw specifications Number of screws M2.5 x L5.0 M2 x L3.5 Step 4. Remove two screws and then remove the system board.
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Page 47: Remove The Usb Board Cable
Figure 23. Remove two screws and then remove the system board. Screw specifications Number of screws M2 x L1.8 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: System board Remove the USB board cable Make sure the following FRUs (CRUs) have been removed. -
Page 48: Remove The Function Board Cable (Left)
Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: USB board cable Remove the function board cable (left) Make sure the following FRUs (CRUs) have been removed. “Remove the lower case” on page 30 “Remove the battery pack”... -
Page 49: Remove The Lcd Module
Figure 26. Remove the function board cable (right). Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Function board cable (right) Remove the LCD module Make sure the following FRUs (CRUs) have been removed. -
Page 50: Remove The Upper Case (With Keyboard And Touchpad)
“Remove the function board cable (left)” on page 42 “Remove the function board cable (right)” on page 42 “Remove the LCD module” on page 43 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Upper case (with keyboard and touchpad) -
Page 51: Disassemble The Lcd Module
Remove the LCD bezel. Figure 29. Remove the LCD bezel. Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: LCD bezel Remove the hinge cover Make sure the following FRUs (CRUs) have been removed. -
Page 52: Remove The Hinges
Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Hinge cover Remove the hinges Make sure the following FRUs (CRUs) have been removed. “Remove the LCD module” on page 43 “Remove the LCD bezel” on page 45 “Remove the hinge cover”... -
Page 53: Remove The Lcd Panel
Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Hinges Remove the LCD panel Make sure the following FRUs (CRUs) have been removed. “Remove the LCD module” on page 43 “Remove the LCD bezel” on page 45 “Remove the hinge cover”... -
Page 54: Remove The Camera Rubbers
Step 1. Remove the camera rubbers. Figure 35. Remove the camera rubbers. Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: Camera rubbers Removable tape Remove the microphone rubbers Make sure the following FRUs (CRUs) have been removed. -
Page 55: Remove The Camera
Figure 36. Remove the microphone rubbers. Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: Microphone rubbers Removable tape Remove the camera Make sure the following FRUs (CRUs) have been removed. “Remove the LCD module” on page 43 “Remove the LCD bezel”... -
Page 56: Remove The Edp Cable
Disconnect the EDP cable from the camera and then remove the EDP cable. Figure 38. Disconnect the EDP cable from the camera and remove the EDP cable. Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement parts: EDP cable Removable tape Remove the LCD cover Make sure the following FRUs (CRUs) have been removed. - Page 57 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: LCD cover Chapter 4 Removing a FRU or CRU...
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Page 59: Appendix A. Label Locations
Labels attached to the base cover are country/region specific. Make sure to apply the appropriate labels to the replacement base cover. Table 9. All base cover labels Label Label name Applied country/region Label dimensions Rating label P.R.China 33 mm x 24 mm 43 mm x 24 mm © Copyright Lenovo 2020... - Page 60 Hardware Maintenance Manual...
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Page 61: Trademarks
Trademarks LENOVO and the LENOVO logo are trademarks of Lenovo. All other trademarks are the property of their respective owners. © 2020 Lenovo.