Figure 16. Remove ten screws and the system board
Screw specifications
M1.6 × L2.9
Go to
https://support.lenovo.com/partslookup
replacement parts:
System board
Wi-Fi mylar
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
and use a Golden Key U1 tool.
Remove the fingerprint frame
Make sure the following FRUs (or CRUs) have been removed.
"Remove the lower case" on page 26
"Remove the battery pack" on page 27
"Remove the solid-state drive" on page 28
"Remove the heat sink" on page 31
"Remove the fans" on page 32
"Remove the EDP cable brackets" on page 33
"Remove the fingerprint cable" on page 34
"Remove the system board" on page 36
Number of screws
10
to look up the Lenovo part numbers of the following
for detailed instructions on how to create
.
Chapter 4
Removing a FRU or CRU
37