Remove The Lcd Unit - Lenovo 13ACN5 Hardware Maintenance Manual

I/O board cable
I/O board tape
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 LCD unit

Make sure the following FRUs (CRUs) have been removed.
"Remove the lower case" on page 36
Step 1. Disconnect the battery pack cable from the system board.
Attention: Use your fingernails to pull the connector to unplug it. Do not pull the cable.
Step 2. Disconnect the EDP cable and camera cable from the system board and detach the antenna
cables. Release the antenna cables from the cable guide.
Figure 40. Disconnect the EDP cable and camera cable from the system board and detach the antenna cables.
Release the antenna cables from the cable guide.
Step 3. Rotate the LCD unit to an angle of more than 90 degrees and place the computer on a flat surface
as shown. Remove six screws and then remove the LCD unit.
54
Hardware Maintenance Manual
for detailed instructions on how to create