Remove The Upper Case (With Keyboard And Touchpad) - Lenovo ThinkBook 14s Yoga Hardware Maintenance Manual

Step 3. Detach the antenna cable connectors and then disconnect the EDP cable form the system board.
Figure 30. Detach the antenna cable connectors and then disconnect the EDP cable form the system board
Step 4. Rotate the LCD unit to an angle of more than 90 degrees and place the computer on a flat surface
as shown. Remove four screws and then remove the LCD unit.
Figure 31. Remove four screws and then remove the LCD unit
Screw specifications
M2.5 x L5.5

Remove the upper case (with keyboard and touchpad)

Make sure the following FRUs (CRUs) have been removed.
"Remove the Lenovo Smart Pen" on page 28
"Remove the lower case" on page 28
"Remove the battery pack" on page 29
"Remove the solid-state drive (SSD)" on page 30
"Remove the Wi-Fi card" on page 32
"Remove the heat sink" on page 33
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Hardware Maintenance Manual
Number of screws
4