Use A Golden Key U1 Tool To Flash-Write Key Id Information; Remove The Upper Case - Lenovo IdeaPad Slim 7 Pro Hardware Maintenance Manual

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Figure 26. Disconnect the coin-cell battery cable
Go to
https://support.lenovo.com/partslookup
replacement 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 upper case

Make sure the following FRUs (CRUs) have been removed.
"Remove the lower case" on page 32
Step 1.
Disconnect the battery pack cable.
Attention: Use your fingernail to pull the connector to unplug it. Do not pull the cable.
46
IdeaPad Slim 7i Pro (14", 5) Hardware Maintenance Manual
to look up the Lenovo part numbers of the following
for detailed instructions on how to create

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