Use A Golden Key U1 Tool To Flash-Write Key Id Information; Remove The Antenna - Lenovo IdeaPad Duet 5 Hardware Maintenance Manual

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 antenna

Make sure the following FRUs (or CRUs) have been removed.
"Remove the LCD module" on page 28
"Remove the system board" on page 51
Step 1. Remove two screws and remove the antennas.
Figure 41. Remove two screws and the antennas
Screw specifications
M2 x L3
Go to
https://support.lenovo.com/partslookup
replacement parts:
Antenna
for detailed instructions on how to create
Number of screws
2
to look up the Lenovo part numbers of the following
.
Chapter 4 Removing a FRU or CRU
53