Steps
- 
Detach the Removable Module by turning the locking screws counter-clockwise and sliding the Eject button to the right. 
- 
Carefully pull the tablet upwards to disengage it from the frame. 
- 
Place the Removable Module back by guiding the pins to the slots on the e355 frame. 
- 
Turn the locking screws clockwise. 
When attaching or removing the tablet, place the e355 on a smooth flat surface, to avoid scratching the tablet screen.