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.
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.
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: •...
• Damage caused by the improper insertion of a personal-computer card (PC card) or the installation of an incompatible card • Improper disc insertion or use of an external optical drive • Fuses blown by attachment of a non-supported device •...
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Table 5. 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 with cable I/O board with cable Heat sink battery pack Speakers Lower case Wi-Fi card mylar...
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Figure 2. 14-inch models - LCD module - exploded view Table 6. FRU categories for the LCD module FRU (CRU) category Hinge cover Hinge cover frame LCD bezel Hardware Maintenance Manual...
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Table 6. FRU categories for the LCD module (continued) Hinges LCD panel Removable tape Microphone rubbers Camera board EDP cable LCD cover Chapter 3 Identifying FRUs (CRUs)
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Table 7. 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 Fingerprint board cable I/O board I/O board cable Hard disk drive (HDD) cable Hard disk drive (HDD) Hard disk drive (HDD) bracket CMOS battery...
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.
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.
M2 x L3.5 Step 3. Pry up the latches and then remove the lower case. Figure 6. 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.
Screw specifications Number of screws M2 x L3 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) module Make sure the following FRU (or CRU) has been removed.
Figure 10. Remove the SSD and SSD bracket Screw specifications Number of screws M2 x L2 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) mylar Solid-state drive (SSD) bracket Remove the Wi-Fi card Make sure the following FRU (or CRU) has been removed.
Figure 12. Remove the Wi-Fi card Screw specifications Number of screws M2 x L3 Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: Wi-Fi card Wi-Fi card mylar Remove the heat sink Make sure the following FRU (or CRU) has been removed.
Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Heat sink Remove the fan Make sure the following FRU (or CRU) has been removed. “Remove the lower case” on page 34 “Remove the battery pack” on page 35 Step 1.
Figure 16. Remove the fan Screw specifications Number of screws M2 x L3 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Remove the speakers Make sure the following FRU (CRU) has been removed.
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Remove one screw and then remove the I/O board. Figure 19. Remove the I/O board Number of screws Screw specifications M2 x L3 Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: Chapter 4 Removing a FRU or CRU...
I/O board Remove the fingerprint board with cable Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 34 “Remove the battery pack” on page 35 “Remove the fan” on page 39 “Remove the I/O board” on page 40 Step 1.
Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Fingerprint board with cable Remove the system board and the I/O board cable Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 34 “Remove the battery pack”...
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Screw specifications Number of screws M2 x L3 M2 x L5.5 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: 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.
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 LCD module Make sure the following FRU (CRU) has been removed.
“Remove the system board and the I/O board cable” on page 43 “Remove the LCD module” on page 45 Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: Upper case Disassemble the LCD module The LCD module as a whole is not an FRU.
M1.6 x L4.5 Step 2. Remove the hinge cover frame. Figure 29. Remove the hinge cover frame Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: LCD bezel Hinge cover frame Remove the Hinges Make sure the following FRUs (CRUs) have been removed.
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Figure 30. Remove the hinges Number of screws Screw specifications M2 x L2 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.
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Step 2. Lift the LCD panel carefully and then disconnect the EDP cable from the LCD panel. Figure 32. Remove the LCD panel Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: LCD panel...
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Figure 33. Remove the EDP cable Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: EDP cable Removable tape Remove the microphone rubbers Make sure the following FRUs (CRUs) have been removed. “Remove the LCD module” on page 45 “Remove the hinge cover”...
“Remove the microphone rubbers” on page 50 “Remove the EDP cable” on page 49 “Remove the camera board” on page 50 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: LCD cover Removal procedure for 15-inch models Remove the lower case Make sure the computer has been shut down before servicing the computer.
Pry up the latches and then remove the lower case. Figure 37. 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.
Figure 38. Remove four screws and remove the battery pack Screw specifications Number of screws M2 x L5 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Battery pack Remove the solid-state drive (SSD) module Make sure the following FRU (or CRU) has been removed.
Figure 41. Remove the SSD and SSD bracket Screw specifications Number of screws M2 x L2.5 Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: Solid-state drive (SSD) Solid-state drive (SSD) bracket Solid-state drive (SSD) thermalpad Remove the hard disk drive (HDD) module Make sure the following FRU (or CRU) has been removed.
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Step 1. Disconnect the HDD cable from the system board. Remove two screws and then remove the HDD module. Figure 42. Remove the HDD module Screw specifications Number of screws M2 x L5 Step 2. Remove the HDD cable. Figure 43. Remove the HDD cable Step 3.
Figure 45. Remove the Wi-Fi card Number of screws Screw specifications M2 x L3 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 FRU (or CRU) has been removed.
Figure 46. Remove the heat sink 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 FRU (or CRU) has been removed. “Remove the lower case” on page 51 Step 1.
Screw specifications Number of screws M2 x L3 M2 x L5 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Remove the speaker Make sure the following FRU (CRU) has been removed. “Remove the lower case” on page 51 Step 1.
Disconnect the CMOS battery cable from the I/O board and then remove the CMOS battery. Figure 50. Remove the CMOS battery Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: CMOS battery Remove the I/O board and the I/O board cable Make sure the following FRUs (or CRUs) have been removed.
Figure 51. Remove two screws and then open the hinge Screw specifications Number of screws M2.5 x L5 Step 2. Disconnect the I/O board cable from the system board. Remove two screws and then remove the I/ O board with cable. Figure 52.
Figure 53. Separate the I/O board cable from the I/O board Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement parts: I/O board I/O board cable Remove the fingerprint board and fingerprint board cable Make sure the following FRUs (or CRUs) have been removed.
Figure 55. Remove the fingerprint board Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: Fingerprint board Fingerprint board cable Remove the system board Make sure the following FRUs (or CRUs) have been removed.
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M2 x L3 M2 x L3.5 Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: 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.
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 LCD module Make sure the following FRU (CRU) has been removed.
“Remove the system board” on page 62 “Remove the LCD module” on page 64 Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: Upper case Disassemble the LCD module The LCD module as a whole is not an FRU. Instead, it contains FRUs as its components. Before disassembling the LCD module, make sure it has been detached from the upper case.
Figure 60. Remove the LCD bezel Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: LCD bezel Remove the strip cover Make sure the following FRU (or CRU) has been removed. “Remove the LCD module” on page 64 “Remove the LCD bezel”...
Figure 63. Remove the hinges Screw specifications Number of screws M1.98 x L3 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.
Lift the LCD panel carefully and then isconnect the EDP cable from the LCD panel. Figure 65. Remove 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 Remove the microphone rubbers Make sure the following FRUs (CRUs) have been removed.
Figure 66. 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 EDP cable Make sure the following FRUs (CRUs) have been removed. “Remove the LCD module” on page 64 “Remove the LCD bezel”...
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“Remove the microphone rubbers” on page 68 “Remove the EDP cable” on page 69 “Remove the camera board” on page 69 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: LCD cover Hardware Maintenance Manual...
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Table 10. All base cover labels (continued) VietNam Energy Label 10 mm x 9 mm India BIS Label 30 mm x 22 mm IdeaPad 5 15IAL7 and IdeaPad 5 15ABA7 Figure 70. Label layout on the back side of the base cover Labels attached to the base cover are country/region specific.