Lenovo Chromebook C340 Hardware Maintenance Manual page 61

Step 3. Remove four screws.
Figure 46. Remove four screws
Screw specification
M2 x 2.5
Step 4. Remove the LCD panel from the LCD cover and then disconnect the LCD cable.
Figure 47. Remove the LCD panel
Go to https://support.lenovo.com/partslookup
replacement part:
LCD module
Number of screws
4
to look up the Lenovo part numbers of the following
.
Chapter 4 Removing a FRU or CRU
55