Lenovo 82K8002YGE-FL, Hardware Maintenance Manual, Page: 50 / 68

Figure 26. Remove two screws and then remove the system board
Screw specifications Number of screws
M2 x L3.5 2
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 Goldern Key U1 tool.
Remove the fingerprint board cable
Make sure the following FRUs (or CRUs) have been removed.
“Remove the lower case” on page 30
“Remove the solid-state drive (SSD) module” on page 31
“Remove the battery pack” on page 33
“Remove the Wi-Fi card” on page 33
“Remove the solid-state drive (SSD) mylar” on page 34
“Remove the DC-in bracket” on page 35
“Remove the memory module mylar” on page 35
“Remove the memory module” on page 36
“Remove the heat sink” on page 37
“Remove the fans” on page 38
“Remove the system board” on page 43
Step 1. Disconnect the fingerprint board cable from the fingerprint board and then remove the fingerprint
board cable.
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Hardware Maintenance Manual