Use A Golden Key U1 Tool To Flash-Write Key Id Information; Remove The Fingerprint Board Cable - Lenovo CAMPUS LEGION SLIM 7-15ACH Hardware Maintenance Manual

Figure 26. Remove two screws and then remove the system board
Screw specifications
M2 x L3.5
Go to
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
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.
44
Hardware Maintenance Manual
Number of screws
2
to look up the Lenovo part number of the following replacement
for detailed instructions on how to create