Dell Latitude XT2 XFR (Late 2009) - Manual (Page 5)

Dell ™ Latitude™ XT2 XFR Setup and Features Information
Page 5
I/O Door Operation
All ports and I/O connectors on the computer are secured behind locking I/O doors. To open the I/O
locking doors, use the following procedure.
1. The image below shows the door in its closed and locked position. Lift the door flap.
2. To unlock the door, rotate the flap clockwise 180 0 .
3. Pull the flap to open the door.