Use A Golden Key U1 Tool To Flash-Write Key Id Information; Remove The Lcd Module - Lenovo Slim 7i Hardware Maintenance Manual

Figure 22. Disconnect the I/O board cable
Go to https://support.lenovo.com/partslookup
replacement parts:
System board
I/O board cable

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 LCD module

Make sure the following FRUs (CRUs) have been removed.
"Remove the lower case" on page 28
Step 1. Disconnect the battery pack cable, the camera cable, the Wi-Fi antennas and the EDP cable. Then,
pull out the cables out of the cable guide.
Attention: Use your fingernail to pull the connector to unplug it. Do not pull the cable.
to look up the Lenovo part numbers of the following
for detailed instructions on how to create
.
Chapter 4 Removing a FRU or CRU
41