Remove The Upper Case (With Keyboard) - Lenovo 300e Hardware Maintenance Manual

"Remove Lenovo Integrated Pen" on page 35
"Remove the lower case" on page 36
"Remove the battery pack" on page 37
"Remove the wireless module" on page 38
"Remove the M.2 solid-state drive" on page 39
"Remove the pen board" on page 40
"Remove the speakers" on page 41
"Remove the RTC battery" on page 42
"Remove the system board" on page 44
Step 1. Remove the sponge. Then peel off the conductive fabric that secure the World-Facing camera.
Figure 26. Remove the sponge and peel off the conductive fabric
Step 2. Remove the World-Facing camera.
Figure 27. Remove the World-Facing camera

Remove the upper case (with keyboard)

Make sure the following FRUs (CRUs) have been removed. Also make sure the antenna cable connectors
and LCD cable connector have been detached from the wireless module and system board.
"Remove Lenovo Integrated Pen" on page 35
"Remove the lower case" on page 36
"Remove the battery pack" on page 37
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Lenovo 300e 2nd Gen Hardware Maintenance Manual