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Figure 28. Disconnect cables connected to the system board
Step 4.
Remove two screws and then remove the system board.
Figure 29. Remove the system board
Screw specifications
M2 x L3.5
Go to
https://support.lenovo.com/partslookup
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.
48
Hardware Maintenance Manual
Number of screws
2
to look up the Lenovo part numbers of the following
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