Use A Golden Key U1 Tool To Flash-Write Key Id Information; Remove The Pogo Pin Fpc Cable L - Lenovo 8APU1 Hardware Maintenance Manual

System board
System board cable

Use a Golden Key U1 tool to flash-write key id information

After replacing the system board and re-assembling the device, use a pre-made Golden Key U1 tool to start
the device 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 https://support.lenovo.com/us/en/solutions/ht102004
and use a Golden Key U1 tool.

Remove the pogo pin FPC cable L

Make sure the following FRUs (or CRUs) have been removed.
"Remove the game controller" on page 26
"Remove the lower case" on page 28
"Disconnect the battery pack cable" on page 29
"Remove the LCD bracket" on page 30
"Remove the SSD cable holder graphite" on page 30
"Remove the solid-state drive (SSD)" on page 31
"Remove the speaker with antenna" on page 32
"Remove the battery pack bracket" on page 34
"Remove the fan" on page 35
"Remove the heat sink" on page 36
"Remove the system board and the system board cable" on page 39
Step 1. Remove one screw and then remove the pogo pin FPC cable L.
Figure 27. Remove the pogo pin FPC cable L
Screw specifications
M1.6 x L3
for detailed instructions on how to create
Number of screws
1
.
Chapter 4 Removing a FRU or CRU
41